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5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile

Also known as: 5-Amino-1-(3-chlorophenyl)pyrazole-4-carbonitrile, 5-Amino-1-(m-chlorophenyl)-4-cyanopyrazole, 1H-Pyrazole-4-carbonitrile, 5-amino-1-(3-chlorophenyl)-, MFCD00128298, F2135-0880

5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile (CAS 51516-68-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7ClN4 and a molecular weight of 218.64200 g/mol. Key properties include a melting point of 183-187ºC, a boiling point of 433.947ºC at 760 mmHg, a density of 1.411g/cm3 and a flash point of 216.244ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51516-68-8
Jingsj CID
J-17991-9
Molecular Formula
C10H7ClN4
Molecular Weight
218.64200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point183-187ºC
Boiling Point433.947ºC at 760 mmHg
Density1.411g/cm3
Flash Point216.244ºC
Exact Mass218.03600
PSA67.63000
LogP2.56078
Refractive Index1.686

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole 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 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile?

The CAS number of 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile is 51516-68-8.

What are the molecular formula and molecular weight of 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile?

5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile has molecular formula C10H7ClN4 and molecular weight 218.64200 g/mol.

Is 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile hazardous?

5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile?

For 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile, Upstream Products: 3-Chlorophenylhydrazine hydrochloride, Ethoxymethylenemalononitrile, (3-Chlorophenyl)hydrazine.

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

Last updated:

How to cite: Jingsj. "5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile (CAS 51516-68-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17991-9 (accessed 2026-11-09).

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