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Impurities and reference standards

Picolinohydrazide

Also known as 2-Isoniazid, Picolinic Acid Hydrazide, 2-Pyridinecarboxylic acid, hydrazide

CAS 1452-63-7Formula C6H7N3OMolar mass 137.14 g/molEC 675-820-0
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
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Picolinohydrazide chemical structure, C6H7N3O, CAS 1452-63-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1452-63-7
Formula
C6H7N3O
Molar mass
137.14 g/mol
EC number
675-820-0
HS code
293339
Category
Impurities and reference standards

What is Picolinohydrazide?

Plain description, key identifiers and synonyms

Picolinohydrazide is a chemical substance with the molecular formula C6H7N3O and a molar mass of 137.14 g/mol. Its CAS registry number is 1452-63-7. The IUPAC name is pyridine-2-carbohydrazide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pyridine-2-carbohydrazide
CAS number
1452-63-7 CAS number cross-checkedOther or deprecated CAS: 1452-57-9
EC number
675-820-0
Molecular formula
C6H7N3O
UNII
KS1CG3S7U1
MDL number
MFCD00059782
InChIKey
BAQLNPIEFOYKNB-UHFFFAOYSA-N
InChI
InChI=1S/C6H7N3O/c7-9-6(10)5-3-1-2-4-8-5/h1-4H,7H2,(H,9,10)
SMILES (canonical and isomeric)
C1=CC=NC(=C1)C(=O)NN

Synonyms

  • 2-Isoniazid
  • Picolinic Acid Hydrazide
  • 2-Pyridinecarboxylic acid, hydrazide
  • alpha-picolinohydrazide
  • 2-(Hydrazinocarbonyl)pyridine
  • 2-Pyridinecarboxylic hydrazide
  • pyridine-2-carbohydrazide
  • 2-Picolinyl Hydrazide
  • 2-Pyridinecarbohydrazide
  • Pyridine-2-carboxylic acid hydrazide
  • 2-Pyridinecarboxylic acid hydrazide
  • Picolinic acid, hydrazide
  • picolinichydrazone
  • 2-Pyridinecarbohydrazide #
  • Pyridinecarboxylic acid, hydrazide
  • Pyridine Hydrazid
  • Pyridine Hydrazide
  • Isoniazid Impurity 4
  • Pyridine 2-Hydrazide
  • alpha-Picolinyl hydrazide
  • pyridine, 2-hydrazinocarbonyl-
  • pyridine carboxylic acid hydrazide
  • pyridine-carboxylic acid hydrazide
  • 2-Pyridinecarboxylicacid,hydrazide
  • Pyridin-2-carboxylic acid hydrazide
Show all 27 synonyms
  • 2-Pyridinecarbohydrazide, AldrichCPR
  • 2-&#8203, Pyridinecarbohydrazi&#8203, de

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
137.14 g/molcalc.
Exact mass
137.0589 Dacalc.
LogP (octanol/water)
-0.31calc.
Topological polar surface area
68.01 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccncc1

c1ccncc1

1 ring, 6 atoms, the Pyridine ring system.

118,162 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (20)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Picolinohydrazide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 5 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

5 suppliers in 4 countries

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Picolinohydrazide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Picolinohydrazide is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Picolinohydrazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Picolinohydrazide, based on the data on this page

What is Picolinohydrazide?

Picolinohydrazide is a chemical substance with the molecular formula C6H7N3O and a molar mass of 137.14 g/mol. Its CAS registry number is 1452-63-7. The IUPAC name is pyridine-2-carbohydrazide.

What is the CAS number of Picolinohydrazide?

The CAS registry number of Picolinohydrazide is 1452-63-7. Other or deprecated CAS numbers: 1452-57-9.

What is the molecular formula and weight of Picolinohydrazide?

The molecular formula of Picolinohydrazide is C6H7N3O and its molar mass is 137.14 g/mol.

Is Picolinohydrazide hazardous?

Picolinohydrazide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Picolinohydrazide?

Picolinohydrazide is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Picolinohydrazide?

CompoundList lists 5 suppliers of Picolinohydrazide in China, Hong Kong, Russia and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Picolinohydrazide?

Suppliers quote Picolinohydrazide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Picolinohydrazide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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