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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Methylene, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Methylene impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Methylene-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Methylene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1-(3,4-Methylenedioxyphenyl)-4,4-dimethyl-d6-pent-1-en-3-on... Stable Isotopes CS-T-58166 1262795-35-6 Enquire
"5-[[3-Bromo-4-(2-cyclohexylethoxy)phenyl]methylene]-2,4-thi... Stable Isotopes CS-T-67719 1795135-31-7 Enquire
"5-[[4-[2-(5-Ethyl-2-pyridinyl)ethoxy-d4]phenyl]methylene]-2... Stable Isotopes CS-T-75715 1217211-89-6 Enquire
(11b)​-11-​Hydroxy-​17,​20:20,​21-​bis[methylenebis(oxy​)​]-... Stable Isotopes CS-T-99537 Not Available Enquire
(2E)-2-(Phenylmethylene)Hydrazinecarboxamide-13C Stable Isotopes CS-O-48604 17539-53-6(Unlabelled) In Stock
(2Z)-2-[Cyano(2,3-dichlorophenyl)methylene]hydrazinecarboxim... Stable Isotopes CS-T-100598 Not Available Enquire
(3Z)-2,3-Dihydro-3-[[[4-[methyl[2-(4-methyl-1-piperazinyl)ac... Stable Isotopes CS-T-100437 Not Available Enquire
(3Z)-2,3-Dihydro-3-[[[4-[methyl[2-(4-methyl-1-piperazinyl)ac... Stable Isotopes CS-T-100438 Not Available Enquire
(Carbethoxymethylene)triphenylphosphorane-13C2 Stable Isotopes CS-T-68942 90830-64-1 Enquire
(E)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-diox... Stable Isotopes CS-T-101679 Not Available Enquire
(Methylene-d2)gibberellin A1 Stable Isotopes CS-T-78672 120396-35-2 Enquire
(Methylene-d2)gibberellin A3 Stable Isotopes CS-T-78561 120396-36-3 Enquire
(Methylene-d2)gibberellin A5 Stable Isotopes CS-T-79167 120396-32-9 Enquire
(Methylene-d2)gibberellin A6 Stable Isotopes CS-T-79141 120396-37-4 Enquire
(Methylene-d2)gibberellin A8 Stable Isotopes CS-T-78560 120396-34-1 Enquire
(Z)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-diox... Stable Isotopes CS-T-101680 Not Available Enquire
1,1’-[Oxybis(methylene-4,1-phenyleneoxy)]bis[3-[(1-methyleth... Stable Isotopes CS-T-94349 1225195-71-0(Unlabelled) Enquire
1,1’-N-[Methylenebis(sulphanediylethylene)]bis(N’-methyl-2-n... Stable Isotopes CS-T-81293 1331643-21-0 Enquire
1,3:2,4-Bis-O-[(4-methylphenyl)methylene]-D-glucitol 1-Dodec... Stable Isotopes CS-T-102781 Not Available Enquire
13b-Ethyl-11-methylenegon-4-en-17-one-d2 Stable Isotopes CS-T-102489 54024-21-4(Unlabelled) Enquire
17-(3-Hydroxypropyl-13C3)-6β,7β:15β,16β-dimethyleneandrostan... Stable Isotopes CS-T-78921 1264137-83-8 Enquire
1-Benzyl-4-methylenepiperidine-[13C,d6] Stable Isotopes CS-I-00495 Not Available Enquire
1-Chloro-4-[(3,3-dimethyl-2-methylenecyclopentyl)methyl]benz... Stable Isotopes CS-T-102849 115851-18-8(Unlabelled) Enquire
2,2'-(2-Hydroxytrimethylene)bis[1-methyl-dihydropyrrole]-d6 Stable Isotopes CS-T-97404 1346600-76-7 Enquire
2,2'-Methylene Bis(5-chlorophenol)-d8 Stable Isotopes CS-T-101119 Not Available Enquire
2,3-O-(4-Methoxyphenyl)methylene-2-methyl-D-erythritol-d3 Be... Stable Isotopes CS-T-96849 Not Available Enquire
2,3-O-(4-Methoxyphenyl)methylene-2-methyl-D-erythritol-d3 Ph... Stable Isotopes CS-T-96850 Not Available Enquire
24-Methylenecholesterol-13C,D2 (major) Stable Isotopes CS-F-00180 Not Available Enquire
24-Methylenecholesterol-D7 Stable Isotopes CS-F-00169 209112-82-3 Enquire
2-Desmethylene-2-hydroxymethyl Ethacrynic Acid-d5 Stable Isotopes CS-T-101577 Not Available Enquire
2-Methyl-N-(phenylmethylene)alanine-d6 Ethyl Ester Stable Isotopes CS-T-82580 1185240-67-8 Enquire
3-[[[2-[(Diaminomethylene]amino-4-thiazolyl]thio]propionitri... Stable Isotopes CS-T-52417 1185040-73-6 Enquire
4,4'-Methylenebis-benzene-2,6-d2-amine Stable Isotopes CS-T-102990 145657-14-3 Enquire
4,4'-Methylenedianiline-[15N2, 13C] Stable Isotopes CS-I-00526 2416442-06-1 Enquire
4,6-Dihydroxy-2-[(3-hydroxy-4-methoxyphenyl)methylene]-3(2H)... Stable Isotopes CS-T-102706 2734189-91-2 Enquire
4,6-Pregnadien-6-methyl-16-methylene-17α-ol-3,20-dione Stable Isotopes CS-C-01320 2919-66-6(unlabelled) Enquire
4,6-Pregnadien-6-methyl-16-methylene-17α-ol-3,20-dione-2,2,2... Stable Isotopes CS-C-01319 5633-18-1(unlabelled) Enquire
4,6-Pregnadien-6-methyl-16-methylene-17α-ol-3,20-dione-2,2,4... Stable Isotopes CS-C-01282 2919-66-6(unlabelled) Enquire
4,6-Pregnadien-6-methyl-16-methylene-17α-ol-3,20-dione-2,2-d... Stable Isotopes CS-C-01243 2919-66-6(unlabelled) Enquire
4-Anilinomethylenepentenedioic Acid-d5 5-Methyl Ester Stable Isotopes CS-T-66276 1185237-80-2 Enquire
5-[[3-Chloro-4-(2-cyclohexylethoxy)phenyl]methylene]-2,4-thi... Stable Isotopes CS-T-72449 1795137-28-8 Enquire
5-[[4-(2-Cyclohexylethoxy)-3-methoxyphenyl]methylene]-2,4-th... Stable Isotopes CS-T-90193 1795143-97-3 Enquire
5-[[Bis(methylamino)methylene]amino]-2-oxo-pentanoic Acid-d6 Stable Isotopes CS-T-101136 107347-91-1(unlabeled) Enquire
9-Fluoro-11β-hydroxy-17,20:20,21-bis(methylenedioxy)-pregna-... Stable Isotopes CS-T-99551 Not Available Enquire
Deshydroxyethoxy-2,3-O-(dimethylmethylene) Ticagrelor-d7 Stable Isotopes CS-T-94567 274693-49-1 (Unlabelled) Enquire
Desmethylene Oxobexarotene-13C4 Methyl Ester Stable Isotopes CS-T-89148 1391054-72-0 Enquire
DL-threo-β-(3,4-Methylenedioxyphenyl)serine-13C2,15N Acetate... Stable Isotopes CS-T-80281 1329610-57-2 Enquire
Ethyl Cyano(ethoxymethylene)acetate-13C3 Stable Isotopes CS-T-100330 Not Available Enquire
Hexamethylenediamine 13C2-15N2 dihydrochloride Stable Isotopes CS-CX-00667 6055-52-3(Unlabeled) Enquire
Hexamethylenetetramine-d12 Stable Isotopes CS-T-79160 23304-08-7 Enquire
Methyl 3-[[[2-[(Diaminomethylene-13C]amino-4-[1,4-13C2-thiaz... Stable Isotopes CS-T-80553 1217087-64-3 Enquire
Methylene Chloride 13C Stable Isotopes CS-BE-00074 Not Available Enquire
Methylenedioxy Pyrovalerone-d8 Hydrochloride Stable Isotopes CS-T-57054 1246820-09-6 Enquire
N,N’-Methylenebis(acrylamide)-d6 Stable Isotopes CS-T-100042 Not Available Enquire
N,N'-Trimethylenediphthalimide-d6 Stable Isotopes CS-T-99754 Not Available Enquire
N-Ethyl-3,4-(methylenedioxy)aniline-d5 Stable Isotopes CS-T-74476 1216722-76-7 Enquire
Nitrilotris(methylene)triphosphonic Acid-13C3 Stable Isotopes CS-T-83508 1286480-03-2 Enquire
N-NITROSOMORPHOLINE (D8, 98%) 1 MG/ML IN METHYLENE CHLORIDE-... Stable Isotopes CS-O-42887 1219805-76-1 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethoxymethylene Malononitrile API Standards CS-M-57411 123-06-8 Enquire
Methylene Blue API Standards CS-T-82104 122965-43-9 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-((E)-(((E)-2-((5-methoxy... Metabolites CS-O-35084 Not Available Enquire
(2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-((E)-2-((5-methoxy-1H-in... Metabolites CS-O-35083 Not Available Enquire
(2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-((E)-2-((5-methoxy-1H-in... Metabolites CS-O-35082 Not Available Enquire
1-Ethyl-3,5-bis[(3,4,5-trimethoxyphenyl)methylene]-4-piperid... Metabolites CS-O-43553 343307-76-6 Enquire
1-Methylene Ondansetron Metabolites CS-O-32473 Not Available Enquire
2,7-Dichloro-9-[(4-chlorophenyl)methylene]-β-(dibutylamino)-... Metabolites CS-TB-19482 1331642-68-2 Enquire
3,7-methylene,12-Hydroxy Cholic Acid Metabolites CS-P-07541 15173-22-5 Enquire
N-Formyl-3,4-methylenedioxy-benzylidene-g-butyrolactam Metabolites CS-O-43566 218924-25-5 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
​Methylene Methanone Impurity Impurities CS-EO-01199 188904-84-9 Enquire
"(+/-)-Hexahydro-3-methylene-cis-furo[2,3-b]furan" Impurities CS-T-26172 109789-17-5 Enquire
"(2,3,4-Trihydroxyphenyl)methylenehydrazinecarboxylic Acid t... Impurities CS-T-88100 481713-41-1 Enquire
"(2R,3R)-2-(2,4-difluorophenyl)-3-(3-methylenepiperidin-1-yl... Impurities CS-O-33178 164650-54-8 Enquire
"(2S)-1-Methyl-1-[N-(diphenylmethylene)]-2-hydroxymethylpyrr... Impurities CS-T-58133 168128-27-6 Enquire
"(2Z,3R,6S)-2-(Hydroxymethylene)-3-methyl-6-(1-methylethyl)-... Impurities CS-T-78223 58769-97-4 Enquire
"(3E)-1-Acetyl-3-(ethoxyphenylmethylene)-2,3-dihydro-2-oxo-1... Impurities CS-T-64313 1168152-06-4 Enquire
"(3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyc... Impurities CS-T-06782 190062-19-2 Enquire
"(4E)-4-(Ethoxymethylene)-2-phenyl-1,3-oxazol-5(4H)-one" Impurities CS-M-48356 15646-46-5 Enquire
"(5E)-2-Mercapto-5-(1-naphthylmethylene)-1,3-thiazol-4(5H)-o... Impurities CS-M-28426 65562-51-8 Enquire
"(5E)-2-Mercapto-5-(mesitylmethylene)-1,3-thiazol-4(5H)-one" Impurities CS-M-28465 153567-97-6 Enquire
"(5E)-2-Mercapto-5-[(6-methylpyridin-2-yl)-methylene]-3-phen... Impurities CS-M-27864 1142201-57-7 Enquire
"(5E)-5-[(2-Hydroxy-1-naphthyl)methylene]-2-mercapto-1,3-thi... Impurities CS-M-28429 268736-98-7 Enquire
"1-(3,4-Methylenedioxyphenyl)-4,4-dimethyl-pent-1-en-3-one" Impurities CS-T-33730 2419-68-3 Enquire
"1,1'-(Methylenedi-4,1-phenylene)bishydrazine Dihydrochlorid... Impurities CS-T-58127 100829-65-0 Enquire
"1,2-Diamino-4,5-methylenedioxybenzene, Dihydrochloride" Impurities CS-T-52416 81864-15-5 Enquire
"11-β-Hydroxy-17,20:20,21-bis(methylenedioxy)pregn-4-en... Impurities CS-T-55771 807-05-6 Enquire
"17,20:20,21-Bis(methylenedioxy)pregn-4-en-3-one" Impurities CS-T-49373 6173-64-4 Enquire
"1-Iodo-3,4-methylenedioxybenzene" Impurities CS-T-29469 5876-51-7 Enquire
"2-(Methylamino)-3,4-(methylenedioxy)valerophenone Hydrochlo... Impurities CS-T-30703 17763-01-8 Enquire
"2,2-Methylene Bis(5-chlorophenol)" Impurities CS-T-33748 1215-74-3 Enquire
"2,3-Dihydro-3-(1H-indol-3-ylmethylene)-2-oxo-1H-indole-5-su... Impurities CS-T-53065 181223-16-5 Enquire
"2,4:3,5-Di-O-methylene-D-idaric Acid" Impurities CS-T-53546 7595-91-7 Enquire
"2,4:3,5-Di-O-methylene-L-iditol" Impurities CS-T-53548 5334-20-3 Enquire
"2-{[(2-Piperazin-1-ylethyl)amino]methylene}-5-thien-2-ylcyc... Impurities CS-M-25342 432519-44-3 Enquire
"3,4-(Methylenedioxy)-2-(1-pyrrolidinyl)butyrophenone Hydroc... Impurities CS-T-30707 24622-60-4 Enquire
"3,4-Methylenedioxyphenyl Butyl Ketone" Impurities CS-T-33754 63740-98-7 Enquire
"4,4-methylene bis(3-chloro-2,6-diethylaniline)" Impurities CS-CF-00031 106246-33-7 Enquire
"4-[[4-(Acetyloxy)-3,5-diiodophenyl]methylene]-2-methyl-5(4H... Impurities CS-T-47017 93087-37-7 Enquire
"4-Methylamino-cyclohexanone(2,2-dimethyltrimethylene ketal)... Impurities CS-T-33063 158747-11-6 Enquire
"5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one" Impurities CS-T-19569 149874-91-9 Enquire
"5,6-Methylenedioxy-2-aminoindane" Impurities CS-T-30706 132741-81-2 Enquire
"5-[Bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-d... Impurities CS-T-66945 100981-05-3 Enquire
"5-Methyl-bis-(2-aminophenoxymethylene)-N,N,N,N-tetraacetate... Impurities CS-T-33305 96315-10-5 Enquire
"6-β,7-β,15-β,16-β-Dimethylene-3-β,... Impurities CS-T-53542 82543-16-6 Enquire
"9-(dichloromethylene)-1,2,3,4-tetrahydro-1,4-Methanonaphtha... Impurities CS-DV-03408 935772-63-7 Enquire
"Bis[4,5-(methylenedioxy)-2-propylphenyl]-methane" Impurities CS-T-07117 34827-26-4 Enquire
"Dimethyl 2,4:3,5-Di-O-methylene-D-glucarate" Impurities CS-T-53520 4539-77-9 Enquire
"N,N-Diethyl-2-methylene-1-phenyl-cyclopropanecarboxamide" Impurities CS-T-89357 1418000-38-0 Enquire
"N-[(3-Bromophenyl)methylene]-2,2-dimethoxyethanamine" Impurities CS-T-08783 497863-61-3 Enquire
"N-[(Dimethylamino)methylene]-2',3'-O-(methoxymethylene)guan... Impurities CS-T-53593 1315092-28-4 Enquire
"O-(N-Succinimidyl)-N,N,N,N-bis(tetramethylene)uronium hexaf... Impurities CS-DA-00024 207683-26-9 Enquire
"P,P-[(1,2-Phenylene)bis(methylene)]bisphosphonic Acid P,P,P... Impurities CS-T-60410 42092-05-7 Enquire
(1R,1R,2R,2R)-3,3-methylenebis(5-methyl-4-pentyl-2-(prop-1-e... Impurities CS-O-38618 Not Available Enquire
(1r,4r,1r,4r)-4,4'-[azanediylbis(methylene)]di(cyclohexane-1... Impurities CS-O-35968 Not Available Enquire
(2-((diaminomethylene) amino)thiazol-5 yl)methyl carbamimido... Impurities CS-O-43186 772304-31-1 Enquire
(2R,2'R)-2,2'-((benzo[d][1,3]dioxol-5-ylmethylene)bis(azaned... Impurities CS-O-53398 Not Available Enquire
(2R,3R)-2-(2,4-difluorophenyl)-3-(((2R,3R)-2-(2,4-difluoroph... Impurities CS-O-36347 Not Available Enquire
(2R,3R)-3-((1H-1,2,4-triazol-1-yl)methyl)-6-fluoro-3-hydroxy... Impurities CS-O-33177 2252350-11-9 Enquire
(2Z)-2-[(5S)-O-tert-Butyldimethylsilyl-2-methylenecyclohexyl... Impurities CS-T-09503 96685-53-9 Enquire
(4E)-3-(Chloromethyl)-4-(1-naphthylmethylene)-isoxazol-5(4H)... Impurities CS-M-27608 1142199-29-8 Enquire
(4E)-3-(Chloromethyl)-4-(2-furylmethylene)-isoxazol-5(4H)-on... Impurities CS-M-27606 1142199-26-5 Enquire
(4E)-3-(Chloromethyl)-4-[(5-methyl-2-thienyl)-methylene]isox... Impurities CS-M-27642 1142199-93-6 Enquire
(4-Methylene-5-hexenyl)triphenyl-phosphonium Iodide Impurities CS-T-33753 17842-92-1 Enquire
(5E)-5-(1,3-Benzodioxol-5-ylmethylene)-2-mercapto-1,3-thiazo... Impurities CS-M-28425 28824-66-0 Enquire
(5E)-5-(Biphenyl-4-ylmethylene)-2-mercapto-1,3-thiazol-4(5H)... Impurities CS-M-28447 110932-40-6 Enquire
(5E)-5-[(5-Chloro-2-thienyl)methylene]-2-mercapto-1,3-thiazo... Impurities CS-M-28469 470713-29-2 Enquire
(6S,6'S)-6,6'-(((4-(trifluoromethoxy)-1,3-phenylene)bis(meth... Impurities CS-O-35195 Not Available Enquire
(Dichloromethylene)bis phosphonic acid monoisopropyl ester d... Impurities CS-O-04094 426822-81-3 Enquire
(E)-y-[(4-Hydroxyphenyl)[4-(phenylmethoxy)phenyl]methylene]b... Impurities CS-T-28265 Not Available Enquire
(E)-γ-[(4-Hydroxyphenyl)[4-(phenylmethoxy)phenyl]methylene]b... Impurities CS-T-79158 176671-76-4 Enquire
(hydroxy(pyridin-2-yl)methylene)bis(4,1-phenylene)bis(hydrog... Impurities CS-O-52960 2379878-04-1 Enquire
(Methylenebis(oxy))bis(ethane-2,1-diyl) Diacetate Impurities CS-O-59816 21912-27-6 Enquire
(R)-Phenyl 3-O-[(4-methoxyphenyl)methyl]-4,6-O-(phenylmethyl... Impurities CS-T-84706 168138-26-9 Enquire
(S)-(((((1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)pho... Impurities CS-O-34903 Not Available Enquire
(S)-Dimethenamid methylene impurity Impurities CS-O-47013 Not Available Enquire
(Z)-3-(((2-((diaminomethylene)amino)thiazol-5-yl)methyl)thio... Impurities CS-O-43189 Not Available Enquire
(Z)-hexyl (amino(4-aminophenyl)methylene)carbamate methanesu... Impurities CS-O-36628 Not Available Enquire
[(4-Chlorophenyl)thiomethylene]biphosphonic Acid, Tetraisopr... Impurities CS-T-50969 89987-31-5 Enquire
[3aR-[2(3aR,8aS),3aβ,8aβ]]-(+)-2,2-Methylenebis[3&... Impurities CS-DA-00136 180186-94-1 Enquire
[4-[[4-anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene... Impurities CS-T-93532 2580-56-5 Enquire
{[(Phosphonomethyl)imino]bis[hexamethylenenitrilobis(methyle... Impurities CS-DV-00476 34690-00-1 Enquire
1-(1,1-dimethyl-2-methylene-1H-benzo[e]indol-3(2H)-yl)ethano... Impurities CS-O-42798 Not Available Enquire
10-methoxy-3,6-dimethyl-9-methylenedecahydro-3H-3,12-epoxy[1... Impurities CS-O-35140 Not Available Enquire
11-Methylenelynestrenol Impurities CS-T-58175 54024-12-3 Enquire
11ß-hydroxy-17,20:20,21-bis(methylenedioxy)-3-oxo-18-oxime P... Impurities CS-T-79190 4777-80-4 Enquire
11ß-Hydroxy-17,20:20,21-bis(methylenedioxy)pregn-4-en-3-one ... Impurities CS-T-78114 4777-79-1 Enquire
13beta-ethyl-11-methylene-18,19-dinor-17beta-pregn-4-en-20-y... Impurities CS-O-33241 Not Available Enquire
16-Methyleneandrost-4-ene-3,17-dione Impurities CS-T-81190 80108-48-1 Enquire
17-(3-Hydroxy-1-propynyl)-6ß,7ß:15ß,16ß-dimethyleneandrostan... Impurities CS-T-78927 82543-17-7 Enquire
1-Chloroacetyl-2-[[(2-benzoyl-4-chlorophenyl)(2-chloroacetyl... Impurities CS-T-70074 49691-65-8 Enquire
2-((3r,5r,7r)-adamantan-1-yl)-N-((5-nitrofuran-2-yl)methylen... Impurities CS-P-07135 Not Available Enquire
2-(3-methyl-2-methylene-4-(2,2,2-trifluoroethoxy)pyridin-1(2... Impurities CS-O-37020 2138848-91-4 Enquire
2-(4-fluoro-2-(4-methylenepiperidin-1-yl)phenyl)-1-(1H-1,2,4... Impurities CS-O-56679 Not Available Enquire
2,2'-(((4-methoxy-3,5-dimethylpyridine-2,6-diyl)bis(methylen... Impurities CS-O-35744 Not Available Enquire
2,2'-(((oxalylbis(azanediyl))bis(methylene))bis(cyclohexane-... Impurities CS-O-38370 Not Available In Stock
2,2'-(Pyridin-2-ylmethylene)diphenol Impurities CS-O-44989 16985-07-2 Enquire
2,2'-[(Difluoromethylene)bis(oxy)]bis[1,1,1,3,3,3-hexafluoro... Impurities CS-T-52900 162401-06-1 Enquire
2,2’-Methylenebis(4-bromophenol) Impurities CS-T-82438 78563-03-8 Enquire
2,2′-[(6-Chloro-3,4-dihydro-3-methyl-2,4-dioxo-1,5(2H)-pyrim... Impurities CS-O-35576 1821400-07-0 Enquire
2,3,4,5-Tetrafluoro-α-[[[(1S)-2-hydroxy-1-methylethyl]amino... Impurities CS-T-86284 110548-02-2 Enquire
2,6-bis(methylene)-Medroxyprogesterone acetate Impurities CS-P-09207 136803-81-1 Enquire
2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl... Impurities CS-T-57818 6771-54-6 Enquire
2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid Propyl Este... Impurities CS-T-82946 77888-04-1 Enquire
2-[(Dimethylamino)methylene]amino-3N-(pivaloyloxy)methyl-6-m... Impurities CS-T-19647 151587-55-2 Enquire
2-[(Dimethylamino)methylene]amino-6-methyl-5-nitro-4-pyrimid... Impurities CS-T-19646 151587-54-1 Enquire
2-[[(3-Bromophenyl)amino]methylene]propanedioic Acid 1,3-Die... Impurities CS-T-68279 351893-47-5 Enquire
2-[[N-Cyclopropyl-(3-fluoro-4-methoxyphenyl)amino]methylene]... Impurities CS-T-73690 1391054-38-8 Enquire
2-[-2[(5-Nitro-2-furanyl)methylene]hydrazinyl]acetic Acid Impurities CS-T-59422 91447-38-0 Enquire
2’-Deoxy-2’-methyleneuridine Impurities CS-T-73118 119410-95-6 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(((4-(3-chloro-5-(trifluoromethyl)-2-pyridyloxy)phenyl)amin... Intermediates CS-EL-15854 1023558-62-4 Enquire
"(((4-(3-chloro-5-(trifluoromethyl)-2-pyridylthio)phenyl)ami... Intermediates CS-EL-08333 1024414-83-2 Enquire
"(((4-amino-9,10-dioxoanthryl)amino)methylene)methane-1,1-di... Intermediates CS-EL-08720 959583-38-1 Enquire
"(2-Formyl-4,5-methylenedioxy)phenylboronic acid" Intermediates CS-T-76461 94838-88-7 Enquire
"(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]o... Intermediates CS-T-67037 81506-24-3 Enquire
"(4,4-diethyl-3-methylene(2,5-thiazolinyl))(4-(trifluorometh... Intermediates CS-EL-15855 1024069-89-3 Enquire
"(aza((2-(trifluoromethyl)phenyl)amino)methylene)methane-1,1... Intermediates CS-EL-08145 101398-31-6 Enquire
"(E,Z)-9-(4-Chlorophenyl)methylene-5-oxiranyl-2,7-dichlorofl... Intermediates CS-T-12430 252990-29-7 Enquire
"[(4,4-dimethyl-2,6-dioxocyclohexyl)methylene](methyl)ammoni... Intermediates CS-EL-00524 338399-44-3 Enquire
"{[4-(4-chlorophenyl)-2,6-dioxocyclohexyl]methylene}(methyl)... Intermediates CS-EL-09397 338399-41-0 Enquire
"1-(2,6-dichlorobenzyl)-2-[(dimethylamino)methylene]-1,1-dim... Intermediates CS-EL-06088 317377-45-0 Enquire
"1-(4-chlorophenyl)methyleneimmonium-3-pyrazolidinone-1,2-in... Intermediates CS-EL-13242 1164115-67-6 Enquire
"1,1'-[Dithiobis(methylene)]biscyclopropaneacetic Acid Methy... Intermediates CS-T-53901 1446481-28-2 Enquire
"1,2-Dinitro-4,5-methylenedioxybenzene" Intermediates CS-T-20694 7748-59-6 Enquire
"1,3-bis(2-methoxyphenyl)-5-((4-(dimethylamino)phenyl)methyl... Intermediates CS-EL-18340 313499-13-7 Enquire
"1,3-bis(2-methoxyphenyl)-5-(3-thienylmethylene)-1,3-diazape... Intermediates CS-EL-20965 1023490-18-7 Enquire
"1,3-bis(3-methoxyphenyl)-5-((4-(dimethylamino)phenyl)methyl... Intermediates CS-EL-19375 1023490-20-1 Enquire
"1,3-bis(4-chlorophenyl)-5-((4-ethoxyphenyl)methylene)-1,3-d... Intermediates CS-EL-19869 1022065-74-2 Enquire
"1,3-bis(4-chlorophenyl)-5-(3-thienylmethylene)-1,3-diazaper... Intermediates CS-EL-20033 1024184-33-5 Enquire
"1,3-bis(4-methylphenyl)-5-((4-ethoxyphenyl)methylene)-1,3-d... Intermediates CS-EL-18723 1022331-68-5 Enquire
"1,3-bis(4-methylphenyl)-5-(2-thienylmethylene)-1,3-diazaper... Intermediates CS-EL-19232 1023528-62-2 Enquire
"1,3-Dimethyl-5-[(dimethylamino)methylene]2,4,6-(1H,3H,5H)-t... Intermediates CS-T-20108 35824-98-7 Enquire
"1,4-Cyclohexanedione Mono(2,2-dimethyltrimethylene Ketal)" Intermediates CS-T-13855 69225-59-8 In Stock
"11-β-Hydroxy-16-α-methyl-17,20:20,21-bis(methylen... Intermediates CS-T-56204 103094-10-6 Enquire
"17,20:20,21-Bis(methylenedioxy)pregna-1,4-diene-3,11-dione" Intermediates CS-T-49376 26341-55-9 Enquire
"1-acetyl-3-[(4-fluorophenyl)methylene]tetrahydro-2,5-pyrazi... Intermediates CS-EL-10940 155527-25-6 Enquire
"1-benzyl-6-{[4-(dimethylamino)phenyl]methylene}tetrahydro-2... Intermediates CS-EL-31126 338750-23-5 Enquire
"1-Bromo-2-chloro-4,5-methylenedioxybenzene" Intermediates CS-AC-07582 233770-05-3 Enquire
"1-Chloro-3,4-methylenedioxybenzene" Intermediates CS-M-00763 7228-38-8 Enquire
"2-(((2-(3,4-dimethoxyphenyl)ethyl)amino)phenylmethylene)ind... Intermediates CS-EL-13469 1024151-42-5 Enquire
"2-(((2-chloro-5-nitrophenyl)amino)methylene)indane-1,3-dion... Intermediates CS-EL-06551 1023532-89-9 Enquire
"2-(((3,5-dichlorophenyl)amino)methylene)-5-(2-methylpropyl)... Intermediates CS-EL-03892 1022007-76-6 Enquire
"2-(((3,5-dichlorophenyl)amino)methylene)indane-1,3-dione" Intermediates CS-EL-16739 78872-37-4 Enquire
"2-(((4-(4,5-dichloroimidazolyl)phenyl)amino)methylene)indan... Intermediates CS-EL-13928 1024316-38-8 Enquire
"2-((4-(3-chloro-5-(trifluoromethyl)(2-pyridyloxy))phenyl)me... Intermediates CS-EL-16992 1025277-30-8 Enquire
"2-({[3-chloro-5-(trifluoromethyl)-2-pyridinyl]amino}methyle... Intermediates CS-EL-05360 366021-91-2 Enquire
"2-({1-[(2-chloro-1,3-thiazol-5-yl)methyl]-1H-indol-3-yl}met... Intermediates CS-EL-07820 866049-74-3 Enquire
"2-({1-[(2-chloro-1,3-thiazol-5-yl)methyl]-1H-pyrrol-2-yl}me... Intermediates CS-EL-00482 692732-73-3 Enquire
"2-({2-[(2-chloro-1,3-thiazol-5-yl)methoxy]-1-naphthyl}methy... Intermediates CS-EL-01480 478064-73-2 Enquire
"2-({2-[(2-chloro-1,3-thiazol-5-yl)methoxy]phenyl}methylene)... Intermediates CS-EL-06502 338393-71-8 Enquire
"2-({2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]hydrazino}m... Intermediates CS-EL-06009 439097-27-5 Enquire
"2-({4-[(2,4-dichlorobenzyl)oxy]phenyl}methylene)malononitri... Intermediates CS-EL-16012 301193-90-8 Enquire
"2-(1,3-benzodioxol-5-ylmethylene)-1H-indene-1,3(2H)-dione" Intermediates CS-EL-01754 29874-34-8 Enquire
"2-(2,4-dichlorophenoxy)-N'-(diphenylmethylene)acetohydrazid... Intermediates CS-EL-04944 341967-94-0 Enquire
"2-(2-thienylmethylene)-1H-indene-1,3(2H)-dione" Intermediates CS-EL-30403 24760-36-9 Enquire
"2-(4-chlorophenyl)-4-[(2,4-dimethoxyanilino)methylene]-5-et... Intermediates CS-EL-11956 338751-15-8 Enquire
"2-(4-chlorophenyl)-5-ethoxy-4-[(4-hydroxyanilino)methylene]... Intermediates CS-EL-05460 338751-23-8 Enquire
"2-(aminophenylmethylene)indane-1,3-dione" Intermediates CS-EL-30909 85301-69-5 Enquire
"2-(anilinomethylene)-5-methyl-1,3-cyclohexanedione" Intermediates CS-EL-07853 1023878-44-5 Enquire
"2,2’-Bis[(5-chloro-2-hydroxyphenyl)methylene]-carbonic Dihy... Intermediates CS-T-66959 6638-52-4 Enquire
"2,2-dimethoxy-N-(phenylmethylene)-1-ethanamine" Intermediates CS-EL-05722 54879-74-2 Enquire
"2,3-Methylenedioxyphenylboronic acid pinacol ester" Intermediates CS-AC-05399 1073339-10-2 Enquire
"2,3-Methylenedioxyphenylboronic acid" Intermediates CS-AC-05701 361456-68-0 Enquire
"2,4-dichloro-N'-[(3-chloro-4-methoxyphenyl)methylene]benzen... Intermediates CS-EL-05568 861207-71-8 Enquire
"2,5-bis[(4-chlorophenyl)methylene]cyclopentanone" Intermediates CS-EL-05757 106115-45-1 Enquire
"2,6-Bis-(3,4-dimethoxyphenylmethylene)cyclohexanone" Intermediates CS-T-49276 18977-33-8 Enquire
"2-[(2,4-dichlorophenyl)methylene]-3-quinuclidinone" Intermediates CS-EL-04723 53898-72-9 Enquire
"2-[(2,4-dichlorophenyl)methylene]malononitrile" Intermediates CS-EL-06641 2972-76-1 Enquire
"2-[(2,5-dimethoxyanilino)methylene]-1H-indene-1,3(2H)-dione... Intermediates CS-EL-08818 1020252-29-2 Enquire
"2-[(2-chloro-6-fluorophenyl)methylene]-1H-indene-1,3(2H)-di... Intermediates CS-EL-02476 883037-06-7 Enquire
"2-[(2-ethoxyphenyl)methylene]-1H-indene-1,3(2H)-dione" Intermediates CS-EL-29815 61499-30-7 Enquire
"2-[(2-fluoroanilino)methylene]-5,5-dimethyl-1,3-cyclohexane... Intermediates CS-EL-10783 370853-51-3 Enquire
"2-[(2-fluorophenyl)methylene]-1H-indene-1,3(2H)-dione" Intermediates CS-EL-10760 19371-91-6 Enquire
"2-[(3,4-dimethoxyphenyl)methylene]-3-phenyl-1-indanone" Intermediates CS-EL-08289 337921-76-3 Enquire
"2-[(3-[1,1'-biphenyl]-4-yl-1-phenyl-1H-pyrazol-4-yl)methyle... Intermediates CS-EL-06201 475626-55-2 Enquire
"2-[(3-acetylanilino)methylene]-1H-indene-1,3(2H)-dione" Intermediates CS-EL-04556 1023482-45-2 Enquire
"2-[(4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}anilin... Intermediates CS-EL-14560 946387-28-6 Enquire
"2-[(4-acetylanilino)methylene]-5-methyl-1,3-cyclohexanedion... Intermediates CS-EL-00445 1024174-12-6 Enquire
"2-[(4-bromoanilino)methylene]-1,3-cyclohexanedione" Intermediates CS-EL-05839 341968-26-1 Enquire
"2-[(4-butoxyphenyl)methylene]-1H-indene-1,3(2H)-dione" Intermediates CS-EL-01786 178697-89-7 Enquire
"2-[(4-chloroanilino)methylene]-1,3-cyclohexanedione" Intermediates CS-EL-01867 62370-44-9 Enquire
"2-[(4-chloroanilino)methylene]-5,5-dimethyl-1,3-cyclohexane... Intermediates CS-EL-03485 55118-85-9 Enquire
"2-[(4-chlorophenyl)(hydroxy)methylene]malonaldehyde bis[O-(... Intermediates CS-EL-12818 866136-05-2 Enquire
"2-[(4-chlorophenyl)methylene]-1H-indene-1,3(2H)-dione" Intermediates CS-EL-07593 15875-54-4 Enquire
"2-[(4-methoxyanilino)methylene]-1,3-cyclohexanedione" Intermediates CS-EL-29384 62370-45-0 Enquire
"2-[(5-chloro-2-hydroxyphenyl)methylene]-1H-indene-1,3(2H)-d... Intermediates CS-EL-09258 25299-49-4 Enquire
"2-[(dimethylamino)methylene]-1,1,1-trimethylhydrazinium iod... Intermediates CS-EL-04486 65267-14-3 Enquire
"2-[(dimethylamino)methylene]naphtho[1,2-b]furan-3(2H)-one" Intermediates CS-EL-29442 338401-18-6 Enquire
"2-{[(1,1-diethyl-2-propynyl)amino]methylene}malononitrile" Intermediates CS-EL-08561 1020251-93-7 Enquire
"2-{[(4-chlorophenyl)methylene]amino}-1-(2,4-dichlorobenzyl)... Intermediates CS-EL-11618 303150-00-7 Enquire
"2-{[(5-bromo-4,6-dimethyl-2-pyrimidinyl)amino]methylene}-1H... Intermediates CS-EL-07803 497061-05-9 Enquire
"2-{[2-(2,4-dichlorophenoxy)phenyl]methylene}malononitrile" Intermediates CS-EL-03205 866040-84-8 Enquire
"2-{[2-chloro-5-(trifluoromethyl)anilino]methylene}-1H-inden... Intermediates CS-EL-07124 1020252-62-3 Enquire
"2-{[3-(benzyloxy)anilino]methylene}-1H-indene-1,3(2H)-dione... Intermediates CS-EL-04172 1022467-71-5 Enquire
"2-{[4-(2,5-dimethyl-1H-pyrrol-1-yl)phenyl]methylene}malonon... Intermediates CS-EL-05979 771567-64-7 Enquire
"2-{[4-(2-fluorophenyl)piperazino]methylene}-1H-indene-1,3(2... Intermediates CS-EL-30141 1022101-16-1 Enquire
"2-{5-[(4-chlorophenyl)methylene]-4-oxo-2-thioxo-1,3-thiazol... Intermediates CS-EL-12842 477845-32-2 Enquire
"2-cyano-N-[(dimethylamino)methylene]-5-phenyl-2,4-pentadien... Intermediates CS-EL-08118 303995-06-4 Enquire
"2-Dimethylaminomethylenecyclohexane-1,3-dione" Intermediates CS-M-53136 85302-07-4 Enquire
"2-Fluoro-3,4-methylenedioxyphenylboronic acid" Intermediates CS-T-76261 943830-75-9 Enquire
"2-Nitro-4,5-methylenedioxybenzaldehyde" Intermediates CS-T-59448 712-97-0 Enquire
"3-({[(2,6-dichlorobenzyl)oxy]amino}methylene)-2-benzofuran-... Intermediates CS-EL-16953 339023-47-1 Enquire
"3-(3,4-dichlorophenyl)-5-[(dimethylamino)methylene]-1lambda... Intermediates CS-EL-13979 338779-23-0 Enquire
"3-(3,4-Methylenedioxyphenyl)-5-nitrobenzoic acid" Intermediates CS-T-80742 1261894-05-6 Enquire
"3-(3-{[(Dimethylamino)methylene]amino}-2,4,6-triiodophenyl)... Intermediates CS-M-42924 5587-89-3 Enquire
"3-(4-chlorophenyl)-2-(nitromethylene)-1,3-thiazolan-4-one" Intermediates CS-EL-03084 338417-48-4 Enquire
"3-(4-chlorophenyl)-5-({4-[(3,4-dichlorobenzyl)oxy]phenyl}me... Intermediates CS-EL-11145 647031-81-0 Enquire
"3,3'-[(4-Hydroxyphenyl)methylene]bis[4-hydroxybenzaldehyde" Intermediates CS-T-56325 235106-86-2 Enquire
"3,4-Methylenedioxyphenethylamine" Intermediates CS-M-57883 1484-85-1 Enquire
"3,4-Methylenedioxyphenyl isothiocyanate" Intermediates CS-M-01872 113504-93-1 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Demethyleneberberine-2-O-beta-D-glucuronide Glucuronides CS-O-49350 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
((2-acetoxypropane-1,3-diyl)bis(oxy))bis(methylene) diacetat... Fine Chemicals CS-O-57902 Not Available Enquire
(1aR,4aR,7R,7aR,7bS)-1,1,7-trimethyl-4-methylene-2,3,4a,5,6,... Fine Chemicals CS-ZJ-18417 489-39-4 Enquire
(3S,4R)-4-(4-METHOXYPHENYL)-3-[[(3,4-METHYLENEDIOXY)PHENOXY]... Fine Chemicals CS-O-35061 127017-69-0 Enquire
(Acetylmethylene)triphenylphosphorane Fine Chemicals CS-T-00953 1439-36-7 Enquire
(Dichloromethylene)bis[phosphonic acid] mono(tributylamine) ... Fine Chemicals CS-T-93246 163706-61-4 In Stock
(Z)-1-(furan-2-yl)-N-(furan-2-ylmethylene)methanamine Fine Chemicals CS-O-53139 Not Available Enquire
1,1'-(methylenebis(2,1-phenylene))diethanone Fine Chemicals CS-O-52571 108059-39-8 Enquire
10,11-Methylenedioxy-20S-camptothecin Fine Chemicals CS-ED-01463 104155-89-7 Enquire
1-Methylamino-1-(3,4-methylenedioxyphenyl)propane Fine Chemicals CS-O-36940 127292-43-7 Enquire
2-(4-Iodo-2,5-dimethoxyphenyl)-N-[(3,4-methylenedioxyphenyl)... Fine Chemicals CS-O-36925 1391497-81-6 Enquire
2-(HYDROXY(4-PHENOXYPHENYL)METHYLENE)MALONONITRILE Fine Chemicals CS-ZE-14746 330792-68-2 Enquire
2-(Propylthio)adenosine-5-O-(β,γ-difluoromethylene)triphos... Fine Chemicals CS-ZB-06612 145782-74-7 Enquire
2,2'-[methylenebis(oxy)]bis-Propane Fine Chemicals CS-ED-01877 2568-89-0 Enquire
2,2-methylene-bis(4,6-di-t-butylphenyl)phosphate Fine Chemicals CS-O-37751 106396-29-6 Enquire
2,4-(2-Pyridinyl-2methylene)diphenol Fine Chemicals CS-T-41121 16985-05-0 In Stock
2,8-dimethyl-5-methylenenonane Fine Chemicals CS-ED-01625 33717-92-9 Enquire
2-Methyl-6-methylene-2,7-octadienol Fine Chemicals CS-O-57599 17015-29-1 Enquire
2-Tert-butyl-6-(2-hydroxy-tert-butyl)-4-methylene-2,5-cycloh... Fine Chemicals CS-O-53839 124755-19-7 Enquire
3,3-Tetramethyleneglutaric acid Fine Chemicals CS-DB-00145 16713-66-9 In Stock
3-[[[2-[(Diaminomethylene]amino-4-thiazolyl]thio]propionitri... Fine Chemicals CS-T-16889 76823-93-3 In Stock
5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione Fine Chemicals CS-M-30991 15568-85-1 In Stock
Ethyl (Z)-2-(ethoxymethylene)-3-oxobutanoate Fine Chemicals CS-O-59507 66975-53-9 Enquire
Ethyl 2-((Benzo[d][1,3]Dioxol-5-yl(Ethyl)Amino)Methylene)-4-... Fine Chemicals CS-O-34593 32953-23-4 In Stock
ethyl 3-(3-(diaminomethylene)guanidino)-4-methylbenzoate Fine Chemicals CS-O-53805 Not Available Enquire
Hexamethylenediamine Fine Chemicals CS-BX-00824 124-09-4 In Stock
Leucomethylene blue (Mesylate) Fine Chemicals CS-ZE-20850 1236208-20-0 Enquire
Methylene Bis (chlorosulfate) Fine Chemicals CS-O-16640 92975-18-3 Enquire
Methylenetriphenylphosphorane Fine Chemicals CS-ED-01885 3487-44-3 Enquire
N-(Diphenylmethylene)Glycine t-Butyl Ester Fine Chemicals CS-T-20938 81477-94-3 In Stock
N-Trifluoroacetyl-3,4-(methylenedioxy)aniline Fine Chemicals CS-T-45227 85575-56-0 In Stock
Polyhexamethyleneguanidine Fine Chemicals CS-ZH-20573 57028-96-3 Enquire
Tetraisopropyl Methylenediphosphonate Fine Chemicals CS-T-61911 1660-95-3 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Triphenylmethyl)-N-(phenylmethylene)-L-histidine Methyl E... Building Blocks CS-T-45799 69937-82-2 Enquire
2,2'-Methylenedianiline Building Blocks CS-T-96007 6582-52-1 Enquire
Benzyl N-(Diphenylmethylene)-L-serinate Building Blocks CS-T-05614 145362-72-7 Enquire
Fmoc--methylene-DL-glutamic acid Building Blocks CS-M-29550 1219174-57-8 Enquire
Hexamethyleneimine Building Blocks CS-T-26184 111-49-9 Enquire
Leucomethylene blue Building Blocks CS-O-51641 613-11-6 Enquire
methyl 2-((diphenylmethylene)amino)-3-(4-(methoxymethoxy)phe... Building Blocks CS-O-48121 Not Available Enquire
Methyl[(4-methylphenyl)methylene]ammoniumolate Building Blocks CS-M-31877 16089-63-7 Enquire