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

Nicotinamide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methyl-d3 Isonicotinamide Chloride Stable Isotopes CS-T-98779 Not Available Enquire
b-Nicotinamide-d4 Mononucleotide (d4-major) Stable Isotopes CS-T-98769 Not Available Enquire
Isonicotinamide D4 Stable Isotopes CS-T-56826 1219799-40-2 Enquire
Nicotinamide Adenine Dinucleotide D4 Stable Isotopes CS-P-05563 53-84-9 (Unlabeled) Enquire
Nicotinamide mononucleotide (NMN)-D4 Stable Isotopes CS-O-44691 Not Available Enquire
Nicotinamide Riboside-d4 Triflate (d3-Major)a/b mixture Stable Isotopes CS-T-94963 445489-49-6(unlabelled) Enquire
Nicotinamide-D3 Stable Isotopes CS-O-14661 98-92-0 (Unlabeled) Enquire
Nicotinamide-d4 Stable Isotopes CS-O-02999 347841-88-7 In Stock
Nicotinamide-d4 N-Oxide Stable Isotopes CS-T-59253 1246817-64-0 Enquire
Nicotinamide-N-15N Stable Isotopes CS-O-14493 113950-01-9 Enquire
N-Methoxy-N-methylnicotinamide-13C6 Stable Isotopes CS-T-98771 Not Available Enquire
N-Methyl-2-sulfamoylnicotinamide-d3 Stable Isotopes CS-T-96207 Not Available Enquire
N-Methylnicotinamide-2,4,5,6-d4 Stable Isotopes CS-C-00415 2708278-64-0 In Stock
ß-Nicotinamide Adenine Dinucleotide-13C5 Ammonium Salt Stable Isotopes CS-Y-00166 53-84-9 (Unlabeled) (Freebase) Enquire
β-Nicotinamide Mononucleotide-13C5 Stable Isotopes CS-T-98770 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-N-Methylnicotinamide-D3 API Standards CS-O-44737 87513-45-9 Enquire
Isonicotinamide API Standards CS-T-29786 1453-82-3 In Stock
Nicotinamide API Standards CS-O-30679 98-92-0 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methyl-nicotinamide Iodide Metabolites CS-O-05891 229-263-1 In Stock
N-(2-hydroxyethyl)-nicotinamide Metabolites CS-O-13757 6265-73-2 In Stock
Nicotinamide guanine dinucleotide sodium salt Metabolites CS-N-00243 5624-35-1 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(R)-6-(3-Fluoro-benzyloxy)-N-(1,2,2-trimethyl-propyl)-nicot... Impurities CS-T-77147 1276013-77-4 Enquire
"2,6-Dichloronicotinamide" Impurities CS-DL-00597 62068-78-4 Enquire
β-Nicotinamide adenine dinucleotide phosphate disodium ... Impurities CS-N-00240 24292-60-2 Enquire
1-Methyl-1,4-dihydronicotinamide Impurities CS-T-33617 17750-23-1 Enquire
1-Methyl-d3-nicotinamide Iodide Impurities CS-B-00335 6456-44-6 (unlabeled) Enquire
1-Methylnicotinamide Iodide Impurities CS-B-00334 6456-44-6 Enquire
1-Methylnicotinamide-d7 Iodide Impurities CS-B-00333 6456-44-6 (unlabeled) Enquire
2,6-Diethyl-4-thioisonicotinamide Impurities CS-T-91257 1391052-80-4 Enquire
2-Amino-isonicotinamide Impurities CS-M-08659 13538-42-6 Enquire
2-Bromo-isonicotinamide Impurities CS-M-08664 29840-73-1 Enquire
2-Chloro-N-(3-chloro-2-methylphenyl)nicotinamide Impurities CS-T-72732 57841-61-9 Enquire
2-Methylthioisonicotinamide Impurities CS-T-82750 3390-77-0 Enquire
6-(4-Oxazol-2-yl-phenylamino)-4-(piperidin-4-ylamino)-nicoti... Impurities CS-DU-00358 1227567-62-5 Enquire
N-(2-Amino-ethyl)-nicotinamidedihydrochloride Impurities CS-M-07055 939-53-7 Enquire
N-(3-butylphenyl)isonicotinamide Impurities CS-O-48891 Not Available In Stock
N-(3-Chloro-2-methylphenyl)-2-hydroxynicotinamide Impurities CS-T-72668 72646-00-5 Enquire
N-(tert-Butyl)-6-chloro-4-(o-tolyl)nicotinamide Impurities CS-T-70334 342417-04-3 Enquire
N,N-Diethylnicotinamide (Nikethamide) Impurities CS-T-82975 59-26-7 In Stock
N-Benzyl-5-bromo-nicotinamide Impurities CS-DL-00554 303031-43-8 Enquire
Nicotinamide N-Oxide Impurities CS-T-59252 1986-81-8 In Stock
Nicotinamide-13C6 Impurities CS-T-96116 98-92-0 (Unlabelled) Enquire
Reduced nicotinamide riboside Impurities CS-O-47536 19132-12-8 Enquire
Thioisonicotinamide Impurities CS-T-87357 2196-13-6 Enquire
β-NICOTINAMIDE ADENINE DINUCLEOTIDE Impurities CS-EP-00508 53-84-9 In Stock


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nicotinamide (N0600000) EP Standards CS-EG-00781 98-92-0 Enquire
Nicotinamide (N0600000) EP Standards CS-EG-00771 98-92-0 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"β-Thionicotinamide adenine dinucleotide, reduced form ... Intermediates CS-CE-00739 1921-48-8 Enquire
"2-(4-benzylpiperazino)-N-(2,4-difluorophenyl)nicotinamide" Intermediates CS-EL-20467 400086-72-8 Enquire
"2,3,5-trichloroisonicotinamide" Intermediates CS-EL-09821 70593-53-2 Enquire
"2,6-Dichloro-5-fluoro-N-(thien-2-ylmethyl)nicotinamide" Intermediates CS-EL-15276 680217-82-7 Enquire
"2,6-Dichloro-5-fluoro-N-pyridin-3-ylnicotinamide" Intermediates CS-EL-29410 680217-89-4 Enquire
"2-[4-(3-chlorophenyl)piperazino]-N-(2,4-difluorophenyl)nico... Intermediates CS-EL-13427 400086-74-0 Enquire
"2-[4-bromo-3-(trifluoromethyl)phenoxy]-N-(2,4-difluoropheny... Intermediates CS-EL-18287 860785-86-0 Enquire
"2-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]sulfanyl}-N-(2... Intermediates CS-EL-16637 338774-95-1 Enquire
"2-chloro-N-(2,2,4-trimethyl-2,3-dihydro-1-benzofuran-7-yl)n... Intermediates CS-EL-29722 866153-44-8 Enquire
"2-chloro-N-(2,4-difluorophenyl)nicotinamide" Intermediates CS-EL-29772 83164-90-3 Enquire
"2-Chloro-N-(2-hydroxy-1,1-dimethylethyl)-nicotinamide" Intermediates CS-M-39656 125335-75-3 Enquire
"2-chloro-N-(3,4-dimethoxyphenethyl)nicotinamide" Intermediates CS-EL-18995 312704-20-4 Enquire
"N-(((2R,3S,4R)-4-amino-3-hydroxytetrahydrofuran-2-yl)methyl... Intermediates CS-EL-29778 1421051-32-2 Enquire
"N-((3R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-... Intermediates CS-EL-29761 1421051-43-5 Enquire
1-Benzyl-1,4-dihydronicotinamide Intermediates CS-T-05584 952-92-1 In Stock
1-Methylnicotinamide Intermediates CS-BX-01312 3106-60-3 Enquire
1-Methyl-nicotinamide Methosulphate Intermediates CS-T-34478 58971-09-8 Enquire
2-(4-benzhydrylpiperazino)-N-(2,4-difluorophenyl)nicotinamid... Intermediates CS-EL-31088 400086-75-1 Enquire
2-(4-chlorophenoxy)-4-methoxy-N-[(methoxyimino)methyl]nicoti... Intermediates CS-EL-20327 339102-10-2 Enquire
2-(4-chlorophenoxy)-N-(3,4-dimethoxyphenethyl)nicotinamide Intermediates CS-EL-20556 1023488-61-0 Enquire
2-(4-chlorophenoxy)-N-[4-(4,5-dichloro-1H-imidazol-1-yl)phen... Intermediates CS-EL-18246 946387-01-5 Enquire
2,3-dichloro-5-(trifluoromethyl)isonicotinamide Intermediates CS-EL-08361 1198475-46-5 Enquire
2,3-Dichloroisonicotinamide Intermediates CS-M-35550 1192263-98-1 Enquire
2,5-Dichloroisonicotinamide Intermediates CS-M-40899 1221791-56-5 Enquire
2,5-Dichloronicotinamide Intermediates CS-M-41031 75291-86-0 Enquire
2,6-bis(trifluoromethyl)-N-[3-(trifluoromethyl)phenyl]isonic... Intermediates CS-EL-20439 1092343-95-7 Enquire
2,6-Dichloro-4-(trifluoromethyl)nicotinamide Intermediates CS-M-04914 158063-67-3 Enquire
2,6-Dichloro-4-methylnicotinamide Intermediates CS-T-90213 38841-54-2 Enquire
2,6-dichloro-N-(2-morpholinoethyl)nicotinamide Intermediates CS-EL-16100 866010-84-6 Enquire
2,6-dichloro-N-(2-piperidinoethyl)nicotinamide Intermediates CS-EL-14880 866010-71-1 Enquire
2,6-dichloro-N-(4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl... Intermediates CS-EL-15129 1024232-31-2 Enquire
2-[(4-chlorophenyl)sulfanyl]-N-(2,4-difluorophenyl)nicotinam... Intermediates CS-EL-12898 400078-98-0 Enquire
2-[(4-chlorophenyl)sulfanyl]-N-(3-pyridinylmethyl)nicotinami... Intermediates CS-EL-11840 866153-84-6 Enquire
2-[(4-chlorophenyl)sulfanyl]-N-(4-methoxybenzyl)nicotinamide Intermediates CS-EL-12475 866153-85-7 Enquire
2-[(4-chlorophenyl)sulfonyl]-4-methoxynicotinamide Intermediates CS-EL-11274 339276-64-1 Enquire
2-[4-(aminosulfonyl)anilino]-N-(4-methylphenyl)nicotinamide ... Intermediates CS-EL-31037 1052545-49-9 Enquire
2-{[(2-chloroanilino)carbonyl]amino}-4,6-dimethylnicotinamid... Intermediates CS-EL-06841 338975-92-1 Enquire
2-{[(3-chloroanilino)carbonyl]amino}-4,6-dimethylnicotinamid... Intermediates CS-EL-01656 338975-93-2 Enquire
2-{[(4-chloroanilino)carbonyl]amino}-4,6-dimethylnicotinamid... Intermediates CS-EL-03154 338975-94-3 Enquire
2-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]sulfanyl}-N-(2-... Intermediates CS-EL-15653 339278-11-4 Enquire
2-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]sulfanyl}-N-phe... Intermediates CS-EL-13485 338412-92-3 Enquire
2-Amino-4,6-bis(trifluoromethyl)nicotinamide Intermediates CS-M-35517 89990-38-5 Enquire
2-amino-5,6-dimethyl-4-phenylnicotinamide Intermediates CS-EL-06790 861212-33-1 Enquire
2-Amino-5-bromonicotinamide Intermediates CS-ED-04062 58483-98-0 Enquire
2-Amino-5-bromo-N-isopropylnicotinamide Intermediates CS-ED-03821 1247477-70-8 Enquire
2-Amino-5-fluoroisonicotinamide Intermediates CS-ED-12381 1803896-21-0 Enquire
2-Amino-5-fluoronicotinamide Intermediates CS-ED-12388 958359-96-1 Enquire
2-amino-N-[(dimethylamino)methylene]-4,6-dimethylnicotinamid... Intermediates CS-EL-31591 338976-16-2 Enquire
2-Aminonicotinamide Intermediates CS-AC-04749 13438-65-8 Enquire
2-Amino-N-methylnicotinamide Intermediates CS-ED-09983 870997-87-8 Enquire
2-Bromo-N-cyclopropylisonicotinamide Intermediates CS-T-67931 951885-74-8 Enquire
2-Bromo-N-ethylisonicotinamide Intermediates CS-AC-07925 951885-78-2 Enquire
2-Bromo-N-methylisonicotinamide Intermediates CS-T-67893 337536-01-3 Enquire
2-Chloro-4,6-dimethylnicotinamide Intermediates CS-M-43334 140413-44-1 Enquire
2-chloro-N-(1,3,4-thiadiazol-2-yl)nicotinamide Intermediates CS-EL-30197 109321-39-3 Enquire
2-Chloro-N-(2-furylmethyl)nicotinamide Intermediates CS-M-39722 312704-25-9 Enquire
2-Chloro-N-(3-ethoxypropyl)nicotinamide Intermediates CS-ED-22954 1016718-69-6 Enquire
2-chloro-N-(4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]sul... Intermediates CS-EL-19831 1024069-88-2 Enquire
2-chloro-N-(4-cyano-3-methyl-5-isoxazolyl)nicotinamide Intermediates CS-EL-20610 478043-92-4 Enquire
2-chloro-N-(4-piperidinophenyl)nicotinamide Intermediates CS-EL-19588 497224-98-3 Enquire
2-Chloro-N-(tetrahydro-2-furanylmethyl)-nicotinamide Intermediates CS-M-39744 560102-88-7 Enquire
2-chloro-N-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yliden)meth... Intermediates CS-EL-07774 477885-88-4 Enquire
2-chloro-N-[2-(4-methylpiperazino)phenyl]nicotinamide Intermediates CS-EL-20100 400076-95-1 Enquire
2-chloro-N-[2-(phenethylamino)-3-pyridinyl]nicotinamide Intermediates CS-EL-03607 866010-52-8 Enquire
2-chloro-N-[4-(2-pyridinylsulfanyl)phenyl]nicotinamide Intermediates CS-EL-18111 1024057-45-1 Enquire
2-chloro-N-[4-(4,5-dichloro-1H-imidazol-1-yl)phenyl]nicotina... Intermediates CS-EL-19158 946386-85-2 Enquire
2-chloro-N-{4-[(2-chlorophenyl)sulfanyl]phenyl}nicotinamide Intermediates CS-EL-19902 251096-71-6 Enquire
2-chloro-N-{4-[(4-methylphenyl)sulfanyl]phenyl}nicotinamide Intermediates CS-EL-20732 339096-30-9 Enquire
2-chloro-N-{4-[(trifluoromethyl)sulfanyl]phenyl}nicotinamide Intermediates CS-EL-19660 1023562-09-5 Enquire
2-Chloro-N-cyclohexyl-N-ethylnicotinamide Intermediates CS-ED-22947 1016760-14-7 Enquire
2-Chloro-N-cyclohexylnicotinamide Intermediates CS-M-39763 57841-70-0 Enquire
2-chloro-N-cyclopropylisonicotinamide Intermediates CS-ED-24012 959241-13-5 Enquire
2-Chloro-N-cyclopropylnicotinamide Intermediates CS-M-20116 25764-78-7 Enquire
2-Chloronicotinamide Intermediates CS-M-39347 10366-35-5 Enquire
2-Chloro-N-methoxy-N,5-dimethylnicotinamide Intermediates CS-M-40494 1203499-50-6 Enquire
2-Chloro-N-phenylnicotinamide Intermediates CS-M-39698 56149-29-2 Enquire
2-Ethyl Isonicotinamide Intermediates CS-T-74530 3376-95-2 Enquire
2-Fluoronicotinamide Intermediates CS-EL-29264 364-22-7 Enquire
2-Fluoro-N-methoxy-N-methyl-6-(pyrrolidin-1-yl)-nicotinamide Intermediates CS-M-41411 1228666-39-4 Enquire
2-Hydroxy-4,6-dimethylnicotinamide Intermediates CS-M-43549 39088-05-6 Enquire
2-Hydroxy-6-(trifluoromethyl)nicotinamide Intermediates CS-M-03120 116548-03-9 Enquire
2-Methoxyisonicotinamide Intermediates CS-AC-11450 105612-50-8 Enquire
3-Amino-2,6-dibromoisonicotinamide Intermediates CS-EL-30688 1355334-79-0 Enquire
3-Amino-2,6-dichloroisonicotinamide Intermediates CS-ED-05407 1263378-64-8 Enquire
3-Amino-2-chloroisonicotinamide Intermediates CS-EL-30763 342899-34-7 Enquire
3-Amino-2-fluoroisonicotinamide Intermediates CS-ED-12385 1804052-83-2 Enquire
3-Amino-5-bromoisonicotinamide Intermediates CS-EL-30773 1256813-50-9 Enquire
3-Aminoisonicotinamide Monohydrate Intermediates CS-ED-02704 1434128-46-7 Enquire
3-Bromo-5-fluoroisonicotinamide Intermediates CS-EL-07747 1353636-72-2 Enquire
3-Bromoisonicotinamide Intermediates CS-AC-07425 13958-99-1 Enquire
3-t-Butyl 5-borononicotinamide Intermediates CS-AC-06598 913835-99-1 Enquire
4,6-Dichloronicotinamide Intermediates CS-M-35552 70593-57-6 Enquire
4,6-dimethyl-2-[(4-toluidinocarbonyl)amino]nicotinamide Intermediates CS-EL-30251 338975-97-6 Enquire
4-Amino-2-chloronicotinamide hydrochloride Intermediates CS-ED-05032 1803589-19-6 Enquire
4-Amino-6-fluoronicotinamide Intermediates CS-ED-12377 1806682-26-7 Enquire
4-Formyl-5-methoxy-N-phenylnicotinamide Intermediates CS-M-24191 1142191-55-6 Enquire
4-Hydroxy-5-methoxy-N-phenylnicotinamide Intermediates CS-M-23964 1087659-18-4 Enquire
4-Iodo-5-methoxy-N-phenylnicotinamide Intermediates CS-M-23950 1087659-16-2 Enquire
5-(Aminomethyl)nicotinamide Intermediates CS-ED-03142 473924-60-6 Enquire
5-Amino-2-chloroisonicotinamide Intermediates CS-ED-04709 1217026-70-4 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methylnicotinamide Chloride Fine Chemicals CS-T-80078 1005-24-9 Enquire
2-Chloroisonicotinamide Fine Chemicals CS-M-04966 100859-84-5 Enquire
2-Chloro-N-methylnicotinamide Fine Chemicals CS-T-72194 52943-20-1 Enquire
4-Methylnicotinamide Fine Chemicals CS-T-34384 7250-52-4 Enquire
5-Bromonicotinamide Fine Chemicals CS-M-14464 28733-43-9 Enquire
5-Fluoronicotinamide Fine Chemicals CS-T-75519 70-58-6 Enquire
6-Methylnicotinamide Fine Chemicals CS-T-34475 6960-22-1 Enquire
Beta-Nicotinamide Mononucleotide Fine Chemicals CS-EP-00511 1094-61-7 In Stock
N-(2-Chloro-4-methylpyridin-3-yl)-2-(cyclopropylamino)nicoti... Fine Chemicals CS-MM-11852 133627-47-1 Enquire
N-(Hydroxymethyl)nicotinamide Fine Chemicals CS-T-27947 3569-99-1 Enquire
N,3-Dihydroxyisonicotinamide Fine Chemicals CS-M-34253 89640-77-7 Enquire
N,N-Dimethylnicotinamide Fine Chemicals CS-DL-00078 6972-69-6 Enquire
Niacin Fine Chemicals CS-O-30684 59-67-6 In Stock
N-Methylisonicotinamide Fine Chemicals CS-T-82545 6843-37-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Chloro-6-(trifluoromethyl)nicotinamide Building Blocks CS-M-03099 386704-05-8 Enquire
4-(Trifluoromethyl)nicotinamide Building Blocks CS-T-45338 158062-71-6 In Stock
6-(Trifluoromethyl)nicotinamide Building Blocks CS-M-03129 386715-35-1 Enquire
6-(Trifluoromethyl)thionicotinamide Building Blocks CS-M-03128 386715-34-0 Enquire