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1H-Pyrazole-1-carboximidamide hydrochloride

Also known as: 1-Amidinopyrazole hydrochloride, 1-Amidinopyrazole monohydrochloride, 1-Carbamimidoylpyrazole Hydrochloride, 1H-Pyrazole-1-carboxamidine hydrochloride, 1H-Pyrazole-1-carboxamidine monohydrochloride, Pyrazole-1-carboxamidine Hydrochloride, Pyrazole-1-carboximidamide Hydrochloride, Praxadine, Praxadine hydrochloride, Zanamivir Intermediate 1

1H-Pyrazole-1-carboximidamide hydrochloride (CAS 4023-02-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H7ClN4 and a molecular weight of 146.58 g/mol. Key properties include a melting point of 167-170 °C(lit.), a boiling point of 891.5ºC at 760 mmHg。 产品描述 安全性:, a density of 2.2 g/cm3 and a flash point of 493ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4023-02-3
Jingsj CID
J-1967175-1
Molecular Formula
C4H7ClN4
Molecular Weight
146.58 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-170 °C(lit.)
Boiling Point891.5ºC at 760 mmHg。 产品描述 安全性:
Density2.2 g/cm3
Flash Point493ºC
Exact Mass146.035919
PSA67.69000
LogP1.22670
Vapor Pressure0.00111mmHg at 25°C
Refractive Index1.724

GHS Safety & Compliance

Corrosion / Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage
  • H373 — May cause damage to organs through prolonged exposure
  • H412 — Harmful to aquatic life with long lasting effects

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 1H-Pyrazole-1-carboximidamide hydrochloride?

The CAS number of 1H-Pyrazole-1-carboximidamide hydrochloride is 4023-02-3.

What are the molecular formula and molecular weight of 1H-Pyrazole-1-carboximidamide hydrochloride?

1H-Pyrazole-1-carboximidamide hydrochloride has molecular formula C4H7ClN4 and molecular weight 146.58 g/mol.

Is 1H-Pyrazole-1-carboximidamide hydrochloride hazardous?

1H-Pyrazole-1-carboximidamide hydrochloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

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

Last updated:

How to cite: Jingsj. "1H-Pyrazole-1-carboximidamide hydrochloride (CAS 4023-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1967175-1 (accessed 2026-11-09).

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