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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Propanoic Acid, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Propanoic Acid 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 Propanoic Acid-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.

Propanoic Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R)-2-(2-Chloro-6-fluoro-3-methylphenyl)propanoic Acid-13C,... Stable Isotopes CS-T-97698 1630424-40-6 Unlabelled Enquire
(2S)-2-Amino-3-(4-morpholin-4-ylphenyl)propanoic Acid-d4 Stable Isotopes CS-T-97808 Not Available Enquire
(R)-3-Amino-2-methylpropanoic Acid-d3 Stable Isotopes CS-T-97035 Not Available Enquire
(S)-3-Hydroxy-2-methylpropanoic Acid-d3 sodium salt Stable Isotopes CS-T-103061 1893416-17-5(Unlabelled) Enquire
2-(((Benzyloxy)carbonyl)amino)-3-((diphenoxyphosphoryl)oxy)p... Stable Isotopes CS-T-101836 Not Available Enquire
2-(4-Ethenylphenoxy)-2-methyl-propanoic Acid-d4 Stable Isotopes CS-T-101417 Not Available Enquire
2,2-Dichloropropanoic Acid-13C3 Stable Isotopes CS-T-96246 Not Available Enquire
2,2-Dichloropropanoic Acid-13CD3 Stable Isotopes CS-T-96245 Not Available Enquire
2,3,3,3-Tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)-13C... Stable Isotopes CS-O-44314 13252-13-6 (Unlabelled) Enquire
3-(Ethoxycarbonyl)-4-methyl-5-(1-oxopropyl)-2-furanpropanoic... Stable Isotopes CS-T-101060 Not Available Enquire
3,3,3-Trideuterio-2,2-difluoro-propanoic Acid Stable Isotopes CS-T-102860 1391033-19-4 Enquire
3-Benzoylpropanoic Acid-13C6 Stable Isotopes CS-T-103235 1346600-75-6 Enquire
4-Phenyl-2-thiazolepropanoic Acid-d5 Stable Isotopes CS-T-99132 Not Available Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(4-boronophenyl)-2-hydroxypropanoic acid Metabolite CS-O-54381 ---- Enquire
3-(4-boronophenyl)-2-oxopropanoic acid Metabolite CS-O-54380 ---- Enquire
3-(4-Hydroxy-3-methoxyphenyl)-2-methylpropanoic acid Metabolite CS-O-14215 53832-93-2 Enquire
Alpha-3-Diamino-1H-1,2,4-triazole-1-propanoic acid Metabolite CS-CX-00089 2990-18-3 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R,2'R)-2,2'-((benzo[d][1,3]dioxol-5-ylmethylene)bis(azaned... Impurity CS-O-53398 ---- Enquire
(2S)-2-(Dimethylamino)-3-phenyl-propanoic acid Impurity CS-ZJ-01483 Not Available Enquire
(E)-3-(2-(((4-(N'-((hexyloxy)carbonyl)carbamimidoyl)phenyl)a... Impurity CS-O-40514 1415506-19-2 Enquire
(R)-2-((tert-butoxycarbonyl)amino)-3-(4-carbamoyl-2,6-dimeth... Impurity CS-O-35633 2512188-46-2 Enquire
(R)-2-(3-benzoylphenyl)propanoic acid tris(hydroxy-methyl)am... Impurity CS-O-38650 Not Available Enquire
(R)-2-(4-Butylphenyl)propanoic Acid Impurity CS-O-56781 1263078-21-2 Enquire
(R)-3-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)p... Impurity CS-O-34887 897045-90-8 Enquire
(R)-3-Hydroxy-2-benzylpropanoic acid Ethyl ester Impurity CS-O-46345 87884-40-0 Enquire
(S)-2-(2-(benzofuran-6-carbonyl )-5,7-dichloro-1,2,3,4-tetra... Impurity CS-O-38472 Not Available Enquire
(S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2-dihydroiso... Impurity CS-O-38470 Not Available Enquire
(s)-2-Amino-3-(3-(methylsulfonyl)phenyl)propanoic acid Impurity CS-SN-00127 1270093-99-6 Enquire
(S)-2-Amino-3-(3-nitrophenyl)propanoic acid Impurity CS-DV-00381 19883-74-0 In Stock
(S)-3-(3-acetyl-4-hydroxyphenyl)-2-((E)-(1-(5-((S)-2-amino-2... Impurity CS-O-39818 Not Available Enquire
(S)-3-(4-acetoxy-3-acetylphenyl)-2-aminopropanoic acid Impurity CS-O-39817 Not Available Enquire
(Z)-3-(2-(((4-(N'-Hydroxycarbamimidoyl)phenyl)amino)methyl)-... Impurity CS-O-59214 ---- Enquire
2-((4-(dimethylcarbamoyl)-3-fluorophenyl)amino)-2-methylprop... Impurity CS-O-54930 Not Available In Stock
2-(2-(bromomethyl)phenyl)propanoic acid Impurity CS-O-44529 Not Available Enquire
2-(2-Isobutylphenyl)propanoic Acid Impurity CS-O-41673 69363-33-3 Enquire
2-(3-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piper... Impurity CS-O-35958 1215537-40-8 In Stock
2-(3,5-bis(trifluoromethyl)phenyl)-2-methylpropanoic acid Impurity CS-DV-01071 289686-70-0 In Stock
2-(4-{[3-(1-hydroxy-1-methylethyl)-2-oxocyclopentyl]methyl}p... Impurity CS-O-59602 ---- Enquire
2-(9H-Carbazol-2-yl)propanoic acid Impurity CS-ED-00318 52263-68-0 Enquire
2,5-Pyrazinedipropanoic Acid Impurity CS-T-96074 77479-02-8 Enquire
2-{4-[(3-isopropylidene-2-oxocyclopentyl)methyl]phenyl}propa... Impurity CS-O-59603 2891777-46-9 Enquire
2-Bromo-2-methylpropanoic acid isopropyl ester Impurity CS-T-103267 51368-55-9 Enquire
3-((2,6-dichlorophenyl)(4,5-dihydro-1H-imidazol-2-yl)amino)p... Impurity CS-O-46057 Not Available Enquire
3-((4-CHLORO-2-(PHENYLAMINO)PHENYL)(METHYL)AMINO)-3-OXOPROPA... Impurity CS-O-41133 ---- Enquire
3-((6S,8aR)-5,8-dioxohexahydro-1H-thiazolo[3,4-a]pyridin-6-y... Impurity CS-O-55027 ---- Enquire
3-((tert-Butoxycarbonyl)amino)-2-(4-(((triisopropylsilyl)oxy... Impurity CS-O-57157 1253955-24-6 Enquire
3-(1-Adamantyl)propanoic acid Impurity CS-M-26501 16269-16-2 Enquire
3-(2,2,5,5-Tetramethyl-1,3-dioxane-4-carboxamido)propanoic A... Impurity CS-O-51931 135422-90-1 Enquire
3-(2-amino-6-(2-(dipropylamino)ethyl)phenyl)-2-oxopropanoic ... Impurity CS-O-38074 Not Available Enquire
3-(2-chloro-N-(pyridin-2-yl)acetamido)propanoic acid Impurity CS-O-40231 Not Available Enquire
3-(3-(4-Nitrobenzamido)propanamido)propanoic acid Impurity CS-O-48421 1242567-16-3 Enquire
3-(3-acetyl-4-hydroxyphenyl)-2-((S)-3-(3-acetyl-4-hydroxyphe... Impurity CS-O-39819 Not Available Enquire
3-(6,7-Dibromo-2,3-dihydrobenzofuran-5-yl)propanoic Acid Impurity CS-T-52514 196597-76-9 Enquire
3-(Methylsulfonyl)propanoic acid Impurity CS-M-47225 645-83-0 Enquire
3-[(5E)-5-(1-hydroxy-2-methylpropan-2-yl)-4-oxo-1,3-oxazolid... Impurity CS-O-34888 Not Available Enquire
3-[2-N-(Biotinyl)aminoethyldithio]propanoic Acid Impurity CS-T-06562 104582-29-8 Enquire
3-amino-2-(4-(((2,4-dimethylbenzoyl)oxy)methyl)phenyl)propan... Impurity CS-O-37707 Not Available Enquire
3H-4,7a-Methanocyclohept[3,3a]indeno[5,4-b]oxete Benzeneprop... Impurity CS-T-57591 146139-03-9 Enquire
4-[(2R)-Oxiranylmethoxy]benzenepropanoic Acid Methyl Ester Impurity CS-T-84179 246219-23-8 Enquire
4-[(2S)-Oxiranylmethoxy]benzenepropanoic Acid Methyl Ester Impurity CS-T-84908 112805-58-0 Enquire
4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic Acid Ethyl... Impurity CS-T-54565 868754-42-1 Enquire
a-Thio-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzenepropanoic Aci... Impurity CS-T-61864 1229114-67-3 Enquire
DabigatranPropanoic acid impurity Impurity CS-O-45907 Not Available Enquire
Elagolix Propanoic Acid Analog Impurity CS-O-56663 834153-88-7 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R,4S)-1-(4-Fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-a... Intermediate CS-O-10625 204589-82-2 In Stock
(aS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidine... Intermediate CS-T-50142 328086-60-8 In Stock
(S)-(-)-3-(Benzoylthio)-2-methylpropanoic Acid Intermediate CS-T-05306 72679-02-8 In Stock
(S)-2-Hydroxy-3-methoxy-3,3-diphenylpropanoic acid Intermediate CS-O-32000 178306-52-0 In Stock
2,2,3-Trifluoro-3-[1,1,2,2,3,3-hexafluoro-3-(trifluoromethox... Intermediate CS-O-49814 919005-14-4 Enquire
2,2-Dimethylpropanoic acid Intermediate CS-O-32081 75-98-9 In Stock
2-[(2-Amino-3-phenylpropanoyl)amino]-3-phenylpropanoic acid Intermediate CS-DV-01390 2577-40-4 In Stock
2-{[(1S,2S)-1-hydroxy-1-phenylpropan-2-yl](methyl)amino}prop... Intermediate CS-O-57555 ---- Enquire
3-((4-acetyl-2-ethylbenzyl)amino)-2-(hydroxymethyl)propanoic... Intermediate CS-O-51793 Not Available Enquire
3-(3,5-difluorophenoxy)propanoic acid Intermediate CS-O-44834 844648-19-7 Enquire
3-(4-(4-((14-azido-3,6,9,12-tetraoxatetradecyl)oxy)naphthale... Intermediate CS-O-55377 ---- Enquire
4′-Methyl[2,2′-bipyridine]-4-propanoic acid Intermediate CS-O-51487 149762-81-2 Enquire
Perfluoro-3-methoxypropanoic acid Intermediate CS-ED-42154 377-73-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-2-(4-Chlorophenyl)-3-[(propan-2-yl)amino]propanoic acid Fine Chemicals CS-O-41074 1289623-85-3 Enquire
(2S)-2-Hydrazino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropa... Fine Chemicals CS-ZH-18776 1361017-74-4 Enquire
(R)-2-Amino-2-phenylpropanoic acid Fine Chemicals CS-O-41263 29738-09-8 Enquire
(R)-3-((tert-butoxycarbonyl)(isopropyl)amino)-2-(4-chlorophe... Fine Chemicals CS-O-41079 1522154-55-7 Enquire
(S)-2-(4-chlorophenyl)-3-(isopropylamino)propanoic acid HCl ... Fine Chemicals CS-O-41075 1449131-17-2 Enquire
(S)-2-(pyridin-2-yl)propanoic acid Fine Chemicals CS-O-38155 2349921-94-2 Enquire
(S)-2-Amino-3-(4-hydroxy-3,5-diiodophenyl)-propanoic acid di... Fine Chemicals CS-MM-12181 18835-59-1 Enquire
(S)-2-Amino-3-Sulfopropanoic Acid Fine Chemicals CS-O-61090 35554-98-4 Enquire
(S)-3-[(tert-Butoxycarbonyl)(isopropyl)amino]-2-(4-chlorophe... Fine Chemicals CS-O-41077 1001179-33-4 Enquire
2-((tert-butoxycarbonyl)amino)-3-(1-methyl-1H-pyrazol-5-yl)p... Fine Chemicals CS-O-37815 1379855-99-8 Enquire
2-(3-(benzyloxy)phenyl)-3-hydroxypropanoic acid Fine Chemicals CS-O-38172 2385721-84-4 Enquire
2-(3-bromophenyl)-3-hydroxypropanoic acid Fine Chemicals CS-O-38175 1690926-90-9 Enquire
2-(4-(benzyloxy)phenyl)-3-hydroxypropanoic acid Fine Chemicals CS-O-38171 2385081-64-9 Enquire
2-(4-Bromophenyl)-3-hydroxypropanoic acid Fine Chemicals CS-O-38174 23007-97-8 Enquire
2-(Acetylamino)-3-(phenylthio)propanoic acid Fine Chemicals CS-MM-05696 20640-68-0 Enquire
2,2-dibromopropanoic acid Fine Chemicals CS-O-16408 594-48-9 Enquire
2-[(tert-butoxy)carbonyl]amino-3-(1-methyl-1H-pyrazol-3-yl)p... Fine Chemicals CS-O-37816 1544088-89-2 Enquire
2-amino-3-(1-methyl-1H-pyrazol-3-yl)propanoic acid Fine Chemicals CS-O-37817 1161002-10-3 Enquire
2-Bromo-3,3,3-trifluoropropanoic acid Fine Chemicals CS-O-59975 71026-98-7 Enquire
2-Phenyl-1H-indole-3-propanoic acid Fine Chemicals CS-O-38235 62663-27-8 Enquire
3-(3,5-dimethyladamantan-1-yl)propanoic acid Fine Chemicals CS-O-33846 2173996-24-0 Enquire
3-(Tritylthio)propanoic acid Fine Chemicals CS-MM-10150 27144-18-9 Enquire
3,3'-Azanediyldipropanoic acid Fine Chemicals CS-BL-00059 505-47-5 Enquire
3-[3,5-Di(tert-butyl)-4-hydroxyphenyl]-propanoic acid Fine Chemicals CS-M-25812 20170-32-5 Enquire
3-[BIS(PHENYLMETHOXY)PHOSPHINYL]-PROPANOIC ACID Fine Chemicals CS-ZE-17723 805243-04-3 Enquire
3-amino-2-carbamoyl-2-(1-(carboxymethyl)cyclopentyl)-3-oxopr... Fine Chemicals CS-O-39923 Not Available Enquire
3-Amino-2-sulfopropanoic acid Fine Chemicals CS-ZH-01122 15924-28-4 Enquire
3-Hydroxy-2-(3-hydroxyphenyl)propanoic acid Fine Chemicals CS-O-38170 64662-02-8 Enquire
3-Hydroxy-2-(4-hydroxyphenyl)propanoic acid Fine Chemicals CS-O-38169 72700-54-0 Enquire
3-Oxo-2-phenylpropanoic acid Fine Chemicals CS-O-56546 614-20-0 Enquire
3-Oxopropanoic acid Fine Chemicals CS-N-05227 926-61-4 Enquire
Perfluoro-2-ethoxypropanoic acid Fine Chemicals CS-ED-41968 267239-61-2 Enquire
Perfluoro-2-methoxypropanoic acid Fine Chemicals CS-ED-41967 13140-29-9 Enquire
Propanoic acid,2-hydroxy-methyl ester Fine Chemicals CS-ED-01496 2155-30-8 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methylpropionic Acid-d7 Stable Isotope Reagent CS-O-10078 223134-74-5 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-3-Amino-2-(4-methylphenyl)propanoic acid Building Blocks CS-T-93729 1260684-80-7 Enquire
(R)-2-Amino-3-sulfopropanoic Acid Building Blocks CS-TA-14749 498-40-8 Enquire
(S)-2-amino-3-(7-methyl-1H-indazol-5-yl)propanoic acid Building Blocks CS-O-49144 2808650-83-9 Enquire
2,​2,​3,​3,​3-​Pentafluoropropanoic Acid Building Blocks CS-T-84271 422-64-0 In Stock
2,2-Bis(trifluoromethyl)propanoic acid Building Blocks CS-CE-00018 45048-36-0 Enquire
3-(4-chlorophenyl)-3-cynopropanoic acid Building Blocks CS-O-45752 98923-51-4 Enquire
3-(Methyldithio)propanoic Acid Building Blocks CS-TB-81394 138148-59-1 Enquire
3-Perfluoroheptyl propanoic acid Building Blocks CS-O-49030 812-70-4 Enquire
6-Quinolinepropanoic acid Building Blocks CS-O-46115 476660-20-5 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-2-Amino-3-(4-bromophenyl)propanoic acid Chiral CS-DV-00382 24250-84-8 In Stock