Skip to main content

4-Chloropicolinohydrazide

Also known as: 4-Chloropyridine-2-carbohydrazide, 4-Chloro-2-(hydrazinecarbonyl)pyridine, 4-Chloropicolinic acid hydrazide, 2-Pyridinecarboxylic acid, 4-chloro-, hydrazide (9ci)

4-Chloropicolinohydrazide (CAS 73771-11-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6ClN3O and a molecular weight of 171.58400 g/mol. Key properties include a melting point of 165-167ºC and a density of 1.404g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
73771-11-6
Jingsj CID
J-1499288-2
Molecular Formula
C6H6ClN3O
Molecular Weight
171.58400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point165-167ºC
Density1.404g/cm3
Exact Mass171.02000
PSA68.01000
LogP1.42970
Refractive Index1.599
Storage ConditionsKeep Cold

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Chloropicolinohydrazide?

The CAS number of 4-Chloropicolinohydrazide is 73771-11-6.

What are the molecular formula and molecular weight of 4-Chloropicolinohydrazide?

4-Chloropicolinohydrazide has molecular formula C6H6ClN3O and molecular weight 171.58400 g/mol.

Is 4-Chloropicolinohydrazide hazardous?

4-Chloropicolinohydrazide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 4-Chloropicolinohydrazide?

For 4-Chloropicolinohydrazide, Upstream Products: Pyridine-2-carboxylic acid hydrochloride, methyl 4-chloropyridine-2-carboxylate, 4-chloro-pyridine-2-carbonyl chloride; Downstream Products: 4-(4-Aminophenoxy)-N-methylpicolinamide, 2-Amino-4-chloropyridine, 4-Chloro-2-[1,3,4]oxadiazol-2-yl-pyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Chloropicolinohydrazide (CAS 73771-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499288-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.