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

Nicotinic Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methylnicotinic acid 13C3 Stable Isotopes CS-EK-02322 3222-56-8 unlabeled Enquire
Nicotinic Acid Adenine Dinucleotide-d4 Stable Isotopes CS-T-99947 Not Available Enquire
Nicotinic Acid Riboside-d4 Methyl Ester Triflate Stable Isotopes CS-T-102188 Not Available Enquire
Nicotinuric acid-d4 Stable Isotopes CS-O-06812 1216737-36-8 In Stock
β-Nicotinic Acid Mononucleotide-13C5 Stable Isotopes CS-T-98768 Not Available Enquire
3-Methyl Isonicotinic Acid-d6 Stable Isotopes CS-T-80636 1346599-31-2 Enquire
b-Nicotinic Acid Mononucleotide-d4 Major (>90%) Stable Isotopes CS-T-95145 Not Available Enquire
Isonicotinic acid D4 Stable Isotopes CS-BU-00049 53907-55-4 Enquire
Nicotinic Acid 13C1 Stable Isotopes CS-T-59277 57987-14-1 Enquire
Nicotinic Acid 13C6 Stable Isotopes CS-T-59276 1189954-79-7 Enquire
Nicotinic Acid 13C6,d4 Stable Isotopes CS-T-59275 1216798-74-1 Enquire
Nicotinic Acid 13C6,d4 N-Hydroxysuccinimide Ester Stable Isotopes CS-T-59279 1209457-55-5 Enquire
Nicotinic Acid D1 Stable Isotopes CS-T-59273 116975-14-5 Enquire
Nicotinic Acid D3 Stable Isotopes CS-T-59274 861405-75-6 Enquire
Nicotinic Acid-13C3, 15N Stable Isotopes CS-O-14548 59-67-6 (Unlabeled) Enquire
Nicotinic Acid-d4 Riboside Stable Isotopes CS-T-95146 Not Available Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Hydroxy Nicotinic acid Metabolite CS-O-10344 5006-66-6 In Stock
Nicotinic acid N-oxide Metabolite CS-MM-56570 2398-81-4 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Hydroxynicotinic acid Impurity CS-M-08709 609-71-2 In Stock
3-(5-Chloro-2-fluorobenzyl)isonicotinic acid Impurity CS-O-48890 188622-61-9 In Stock
5-Methylnicotinic acid Impurity CS-M-54794 3222-49-9 In Stock
6-ethynylnicotinic acid ethyl ester Impurity CS-O-56577 220882-43-9 In Stock
2-({2-[(tert-Butoxycarbonyl)amino]ethyl}amino)nicotinic acid Impurity CS-CE-00464 904815-14-1 Enquire
2-(2-((3-Fluorophenyl)amino)thiazol-4-yl)isonicotinic Acid Impurity CS-T-74641 1797019-23-8 Enquire
2-(2,2-Dimethyl-propionylamino)-isonicotinic acid Impurity CS-M-08665 470463-34-4 Enquire
2-(2,2-Dimethyl-propionylamino)-isonicotinic acid methyl est... Impurity CS-M-08671 470463-38-8 Enquire
2-(2,2-Dimethyl-propionylamino)-nicotinic acid Impurity CS-M-07940 125867-25-6 Enquire
2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic Acid Impurity CS-T-64025 1798043-17-0 Enquire
2-(Difluoromethoxy)nicotinic Acid Impurity CS-T-89243 1211587-59-5 Enquire
2,4-Dichloro-5,6-dimethyl Nicotinic Acid Ethyl Ester 1-Oxide Impurity CS-T-88716 1329488-60-9 Enquire
2,6-Dimethoxynicotinic acid Impurity CS-M-25958 16727-43-8 Enquire
2,6-Dimethylisonicotinic acid Impurity CS-DL-00519 54221-93-1 Enquire
2-Amino-isonicotinic acid ethyl ester Impurity CS-M-08658 13362-30-6 Enquire
2-Amino-isonicotinic acid hydrazide Impurity CS-M-08660 58481-01-9 Enquire
2-Bromo-3-iodo-isonicotinic acid Impurity CS-M-08744 848243-29-8 Enquire
2-Chloro-4-iodo-nicotinic acid Impurity CS-M-15807 544671-78-5 Enquire
2-Chloro-4-iodo-nicotinic acid methyl ester Impurity CS-M-07936 185041-05-8 Enquire
2-Chloro-4-trimethylsilanylethynyl-nicotinic acid methyl est... Impurity CS-M-15797 470463-44-6 Enquire
2-Dimethylamino-isonicotinic acid Impurity CS-M-09573 77314-81-9 Enquire
2-Ethoxy-nicotinic acid Impurity CS-M-08818 35969-54-1 Enquire
2-Ethylisonicotinic acid Impurity CS-M-46765 3376-96-3 Enquire
2-Iodoisonicotinic acid Impurity CS-M-08694 58481-10-0 Enquire
2-Iodo-isonicotinic acid methyl ester Impurity CS-M-15828 134579-47-8 Enquire
2-Mercaptonicotinic acid Impurity CS-M-25849 38521-46-9 Enquire
2-Methylamino-isonicotinic acid Impurity CS-M-09574 876717-53-2 Enquire
2-Pyrrolidin-1-yl-isonicotinic acid Impurity CS-M-09575 98088-04-1 Enquire
3-((tert-Butoxycarbonylamino)methyl)-5-methoxyisonicotinic a... Impurity CS-M-24031 1138444-21-9 Enquire
3-(2,2-Dimethyl-propionylamino)-isonicotinic acid Impurity CS-M-15813 86847-91-8 Enquire
3-(4-Chloro-benzoyl)-isonicotinic acid Impurity CS-M-11184 74975-29-4 Enquire
3-Aminoisonicotinic acid Impurity CS-M-28032 7579-20-6 Enquire
4-Chloro-6-methylnicotinic acid Impurity CS-DV-02738 1060805-95-9 Enquire
5-(2,2-Dimethyl-propionylamino)-nicotinic acid Impurity CS-M-15850 879326-77-9 Enquire
5-(2-Chlorophenyl)nicotinic Acid Impurity CS-DJ-01122 893735-02-9 Enquire
5-(2-Methoxyphenyl)nicotinic Acid Impurity CS-DJ-01121 893732-61-1 Enquire
5-(4-Methylpiperazin-1-yl)nicotinic acid Impurity CS-DV-02942 450368-31-7 Enquire
5-(Acetamido)-1,2-dihydro-2-oxo-pyridin-3-carboxylic acid; 5... Impurity CS-DV-02944 89977-03-7 Enquire
5-(Methoxycarbonyl)nicotinic acid Impurity CS-M-52199 5027-65-6 Enquire
5-(Methylsulfonyl)nicotinic Acid Impurity CS-DJ-01120 893723-59-6 Enquire
5,6-Dichloronicotinic acid ethyl ester Impurity CS-DV-02981 401566-69-6 Enquire
5-[3-(Trifluoromethyl)phenyl]nicotinic Acid Impurity CS-DJ-01123 893740-46-0 Enquire
5-Bromo-1,2-dihydro-1-methyl-2-oxo-nicotinic acid Impurity CS-M-52062 846048-15-5 Enquire
5-Bromo-2-methylnicotinic acid Impurity CS-DV-03044 351003-02-6 Enquire
5-Bromo-4-hydroxynicotinic acid Impurity CS-DV-03059 1052114-83-6 Enquire
5-Cyanonicotinic Acid Impurity CS-DJ-01020 887579-62-6 Enquire
5-HYDROXY-NICOTINIC ACID ETHYL ESTER Impurity CS-DL-00728 59288-38-9 Enquire
6-(3,4-Dimethoxyphenyl)nicotinic Acid Impurity CS-DJ-01051 887976-58-1 Enquire
6-(3-Chlorophenyl)nicotinic Acid Impurity CS-DJ-01049 887976-19-4 Enquire
6-(3-Methoxyphenyl)nicotinic Acid Impurity CS-DJ-01048 887976-16-1 Enquire
6-(3-Methylphenyl)nicotinic Acid Impurity CS-DJ-01050 887976-22-9 Enquire
6-Bromo Nicotinic Acid Ethyl Ester Impurity CS-T-68727 132334-98-6Lab 9 ?? Enquire
6-Chloro-4-(trifluoromethyl)nicotinic acid Impurity CS-M-07965 261635-77-2 Enquire
6-Hydrazinonicotinic acid Impurity CS-M-47290 133081-24-0 Enquire
Nicotinic Acid Adenine Dinucleotide Impurity CS-T-83365 6450-77-7 Enquire
Nicotinic Acid Impurity L Impurity CS-P-01869 940-06-7 Enquire
Nicotinic Acid Riboside Impurity CS-T-59283 17720-18-2 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Chloro-5-hydroxynicotinic acid Intermediate CS-O-49851 42959-40-0 Enquire
2-Chloro-6-methylnicotinic acid Intermediate CS-M-17025 30529-70-5 In Stock
5,6-Dichloronicotinic acid Intermediate CS-M-06264 41667-95-2 In Stock
Isonicotinic Acid Intermediate CS-T-29791 55-22-1 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nicotinic Acid Acyl-β-D-glucuronide Glucuronide CS-T-59280 24719-73-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4,6-Dichloronicotinic Acid Fine Chemicals CS-M-34955 73027-79-9 In Stock
2-(Benzylamino)nicotinic acid Fine Chemicals CS-M-33081 33522-80-4 Enquire
2-(Methylamino)nicotinic acid Fine Chemicals CS-M-24718 32399-13-6 Enquire
2-(Methylthio)nicotinic acid hydrazide Fine Chemicals CS-M-02881 232926-33-9 Enquire
2,4-Dichloronicotinic acid Fine Chemicals CS-M-33581 262423-77-8 Enquire
2,5-Dichloronicotinic acid Fine Chemicals CS-M-32684 59782-85-3 Enquire
2,6-Dibromoisonicotinic acid Fine Chemicals CS-M-55326 2016-99-1 Enquire
2,6-Dimethylnicotinic acid Fine Chemicals CS-DV-01374 5860-71-9 Enquire
2-Amino-5-bromonicotinic acid Fine Chemicals CS-M-30680 52833-94-0 Enquire
2-Chloro-5-iodonicotinic acid Fine Chemicals CS-M-30471 59782-86-4 Enquire
2-Cyanoisonicotinic acid Fine Chemicals CS-M-56079 161233-97-2 Enquire
2-Ethoxyisonicotinic acid Fine Chemicals CS-T-76005 91940-86-2 Enquire
2-Fluoro-4-iodonicotinic acid Fine Chemicals CS-M-56225 884494-51-3 Enquire
2-Methoxynicotinic acid Fine Chemicals CS-M-06240 16498-81-0 Enquire
2-Methylnicotinic acid Fine Chemicals CS-M-29235 3222-56-8 Enquire
2-Morpholinonicotinic acid Fine Chemicals CS-M-32475 423768-54-1 Enquire
2-nitronicotinic acid Fine Chemicals CS-EM-03430 33225-72-8 Enquire
2-Piperidinonicotinic acid Fine Chemicals CS-M-32474 78253-61-9 Enquire
2-propylisonicotinic acid Fine Chemicals CS-Q-00588 57663-82-8 Enquire
3-Fluoroisonicotinic acid Fine Chemicals CS-M-04566 393-53-3 Enquire
3-Methoxyisonicotinic acid Fine Chemicals CS-M-56172 654663-32-8 Enquire
3-Methyl-isonicotinic acid Fine Chemicals CS-M-10772 4021-12-9 Enquire
3-Nitroisonicotinic acid Fine Chemicals CS-M-55681 59290-82-3 Enquire
4-(Furan-2-yl)nicotinic acid Fine Chemicals CS-T-76745 1261961-41-4 Enquire
4-Aminonicotinic acid Fine Chemicals CS-M-08727 7418-65-7 Enquire
4-Bromonicotinic acid Fine Chemicals CS-M-11352 15366-62-8 Enquire
4-Formylnicotinic Acid Fine Chemicals CS-T-76995 395645-41-7 Enquire
4-Hydroxynicotinic acid Fine Chemicals CS-M-55461 609-70-1 Enquire
5-(3-Nitrophenyl)nicotinic Acid Fine Chemicals CS-DJ-00050 898907-67-0 Enquire
5-Chloronicotinic acid Fine Chemicals CS-M-11351 22620-27-5 Enquire
5-Cyano-6-hydroxynicotinic Acid Fine Chemicals CS-ED-01227 1427083-36-0 Enquire
5-Fluoro-2-methoxynicotinic Acid Fine Chemicals CS-DJ-00939 884494-82-0 Enquire
5-Hydroxynicotinic acid Fine Chemicals CS-M-04133 27828-71-3 Enquire
5-Methoxy-nicotinic acid Fine Chemicals CS-M-23913 20826-03-3 Enquire
6-(Benzyloxy)nicotinic acid Fine Chemicals CS-M-40255 94084-76-1 Enquire
6-(tert-Butyl)nicotinic acid Fine Chemicals CS-DV-03184 832715-99-8 Enquire
6-Acetylamino-nicotinic acid Fine Chemicals CS-M-22892 21550-48-1 Enquire
6-Amino-2-fluoronicotinic acid Fine Chemicals CS-MM-26836 1393584-80-9 Enquire
6-Chloro-5-iodonicotinic acid Fine Chemicals CS-M-33338 59782-87-5 Enquire
6-Chloronicotinic acid Fine Chemicals CS-M-04592 5326-23-8 Enquire
6-Cyanonicotinic acid Fine Chemicals CS-M-05064 70165-31-0 Enquire
6-Ethoxy-nicotinic acid Fine Chemicals CS-M-23037 97455-65-7 Enquire
6-hydroxy-5-(trifluoromethyl)nicotinic acid Fine Chemicals CS-ED-01228 1189757-60-5 Enquire
6-Morpholinonicotinic acid Fine Chemicals CS-M-31421 120800-52-4 Enquire
6-Piperidinonicotinic acid Fine Chemicals CS-M-32424 120800-50-2 Enquire
E4,6-Dichloro-5-fluoronicotinic acid Fine Chemicals CS-MM-04533 154012-18-7 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Hydroxynicotinic acid Secondary Standards CS-SS-25303-100MG 5006-66-6 Enquire
Niacin (Nicotinic Acid) Secondary Standards CS-SS-24287-1GM 59-67-6 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-fluoroisonicotinic acid D3 15N Stable Isotope Reagent CS-O-41434 Not Available Enquire


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nicotinic Acid (Pyridine-3-Carboxylic Acid) for cell culture... Biochemicals CS-SR-00532 59-67-6 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(isopropoxycarbonyl)nicotinic acid Building Blocks CS-O-48897 118892-73-2 In Stock
4-(Trifluoromethyl)nicotinic acid Building Blocks CS-M-02431 158063-66-2 In Stock
2-(Trifluoromethyl)isonicotinic acid Building Blocks CS-M-54884 131747-41-6 Enquire
2,3,5-Trifluoroisonicotinic acid Building Blocks CS-M-04622 675602-91-2 Enquire
2,3,6-Trifluoroisonicotinic acid Building Blocks CS-M-04621 675602-92-3 Enquire
6-(Trifluoromethoxy)nicotinic acid Building Blocks CS-DV-03185 940895-85-2 Enquire
6-Trifluoromethyl Nicotinic Acid Building Blocks CS-T-45273 231291-22-8 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nicotinic Acid-d4 Deuterated Reagents CS-O-02825 66148-15-0 In Stock