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Pyridine-2-carboxylic acid hydrazide

CAS No.
1452-63-7
Chemical Name:
Pyridine-2-carboxylic acid hydrazide
Synonyms
picolinohydrazide;WS-104;NSC-81875;2-Isoniazid;AKOS B014996;2-Isoniazide;AKOS BBS-00004147;Picolinylhydrazide;Isoniazid 2-Isomer;Picoline hydrazide
CBNumber:
CB9306653
Molecular Formula:
C6H7N3O
Molecular Weight:
137.14
MDL Number:
MFCD00059782
MOL File:
1452-63-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:56:21

Pyridine-2-carboxylic acid hydrazide Properties

Melting point 100°C
Boiling point 100-102 °C
Density 1.244
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka 11.29±0.10(Predicted)
color White to Off-White
InChI 1S/C6H7N3O/c7-9-6(10)5-3-1-2-4-8-5/h1-4H,7H2,(H,9,10)
InChIKey BAQLNPIEFOYKNB-UHFFFAOYSA-N
SMILES NNC(=O)c1ccccn1
CAS DataBase Reference 1452-63-7(CAS DataBase Reference)
FDA UNII KS1CG3S7U1
UNSPSC Code 12352125

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H332-H335
Precautionary statements  P280-P305+P351+P338-P310
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-22
Safety Statements  26-36/37/39-24/25
WGK Germany  WGK 3
HazardClass  IRRITANT
HS Code  29333990
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
NFPA 704
0
1 0

Pyridine-2-carboxylic acid hydrazide price More Price(42)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich CDS000511 2-Pyridinecarbohydrazide AldrichCPR 1452-63-7 1 g $93.2 2026-04-30 Buy
TCI Chemical P0426 2-Pyridinecarboxylic Acid Hydrazide >98.0%(T) 1452-63-7 25g $261 2026-04-30 Buy
ChemScene CS-W011057 2-Pyridinecarbohydrazide ≥98% 1452-63-7 5g $19 2026-06-04 Buy
ChemScene CS-W011057 2-Pyridinecarbohydrazide ≥98% 1452-63-7 10g $36 2026-06-04 Buy
ChemScene CS-W011057 2-Pyridinecarbohydrazide ≥98% 1452-63-7 25g $52 2026-06-04 Buy
Product number Packaging Price Buy
CDS000511 1 g $93.2 Buy
P0426 25g $261 Buy
CS-W011057 5g $19 Buy
CS-W011057 10g $36 Buy
CS-W011057 25g $52 Buy

Pyridine-2-carboxylic acid hydrazide Chemical Properties, Uses, Production

Chemical Properties

White to off-white solid

Uses

Pyridine-2-carboxylic acid hydrazide is an impurity of Isoniazid (I821450), which is an antibiotic for treatment of Mycobacterium tuberculosis and inhibits mycolic acid biosynthesis. Intermediate used for the synthesis of analogs of antitumor agent 1-acetyl-2-picolinoylhydrazine.

Synthesis

Ethyl picolinate

2524-52-9

PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE

1452-63-7

General procedure for the synthesis of 2-pyridinecarbohydrazide from ethyl 2-pyridinecarboxylate: a mixed solution of ethyl pyridine-2-carboxylate (90 g) and hydrazine hydrate (60 g) in ethanol (400 ml) was reacted with stirring at 80°C for 4 hours. After completion of the reaction, the solvent was removed by evaporation to give the crude product. The crude product was co-stirred with ether and the resulting suspension was filtered and the wet filter cake was washed with a small amount of ethanol (50 mL) to give 76 g (93% yield) of 2-pyridinecarbohydrazide as a white solid. Mass spectral data: m/z 138.0 (M+H).

References

[1] Patent: WO2010/136971, 2010, A1. Location in patent: Page/Page column 12
[2] Patent: US2012/142710, 2012, A1. Location in patent: Page/Page column 6
[3] Patent: WO2012/76989, 2012, A1. Location in patent: Page/Page column 55; 64
[4] Asian Journal of Chemistry, 2010, vol. 22, # 7, p. 5535 - 5542
[5] Patent: WO2017/106427, 2017, A1. Location in patent: Page/Page column 37-38

Global Suppliers ( 245)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Shangchem Co., Ltd. +86-21-68182121 China 881 52
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Nanjing Vital Chemical Co., Ltd. Please Send Email 18652950785 chemweiao@163.com China 4368 65

View Latest Price from Pyridine-2-carboxylic acid hydrazide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE pictures 2026-09-02 PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE
1452-63-7
$1.40-34.00 1kg 99% Henan Fengda Chemical Co., Ltd
PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE  pictures 2026-08-20 PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE
1452-63-7
$1.10 1g 99.00% 100 Tons Min Dideu Industries Group Limited
2-Pyridinecarbohydrazide pictures 2026-08-08 2-Pyridinecarbohydrazide
1452-63-7
$29.00 99.88% 10g TargetMol Chemicals Inc.
2-Isoniazid Impurity AKOS B014996 AKOS BBS-00004147 2-PICOLINYL HYDRAZIDE ART-CHEM-BB B014996 PYRIDINE-2-CARBOHYDRAZIDE 2-pyridinecarboxylic acid hydrazide 2-PICOLINYL HYDRAZIDE 98+% NSC-81875 Picolinic hydrazide WS-104 Picolinic Acid Hydrazide 2-Isoniazid Picolinylhydrazide 2-Pyridinecarboxylicacid,hydrazide(9CI) 2-Pyridinecarboxylic hydrazide 2-Pyridylcarboxylic acid hydrazide 2-Pyridinecarboxylic Acid Hydrazide, Picolinic Acid, 2-(Hydrazinocarbonyl)pyridine Picolinoyl Hydrazide Picolinoylhydrazine 2-Picolinyl Hydrazide Picolinic Acid Hydrazide Isoniazid Impurity 4 Picolinohydrazide 2- 2-Pyridylcarbonylhydrazine .alpha.-Picolinyl hydrazide 2-Isoniazide 2-PyridinecarboxylicAcidHydrazide> Isoniazid 2-Isomer PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE ISO 9001:2015 REACH N-hydroxysulfosuccinimidyl biotin Picoline hydrazide Picolinohydrazide , 2-Pyridinecarbohydrazide 2-Pyridinecarbohydrazide, 10 mM in DMSO picolinohydrazide Pyridine-2-carboxylic acid hydrazide 1452-63-7 Amines, Aromatics, Impurities, Pharmaceuticals, Intermediates & Fine Chemicals Amines Aromatics Impurities Intermediates & Fine Chemicals Pharmaceuticals AMIDE