5-Thien-2-yl-1H-pyrazol-3-amine

5-氨基-3-(2-噻吩基)吡唑

Also known as: 5-Amino-3-(2-thienyl)pyrazole, 3-(2-Thienyl)-1H-pyrazol-5-amine, 3-(2-thienyl)-5-aminopyrazole, 3-(Thiophen-2-yl)-1H-pyrazol-5-amine, 5-(2-Thienyl)-1H-pyrazol-3-amine, 5-amino-3-(2-thienyl)-1H-pyrazole, 5-amino-3-(thien-2-yl)-1h-pyrazole, 5-thiophen-2-yl-1H-pyrazol-3-amine, 5-thiophen-2-yl-2H-pyrazol-3-ylamine, MFCD00051815, GNF-Pf-1850, TIMTEC-BB SBB005504, BUTTPARK 30\03-81

5-Thien-2-yl-1H-pyrazol-3-amine (CAS 96799-03-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3S and a molecular weight of 165.21600 g/mol. It is also known as 5-Amino-3-(2-thienyl)pyrazole, 3-(2-Thienyl)-1H-pyrazol-5-amine and 3-(2-thienyl)-5-aminopyrazole. Key properties include a melting point of 101-103°C, a boiling point of 453.8ºC at 760mmHg, a density of 1.399g/cm3 and a flash point of 228.2ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96799-03-0
Jingsj CID
J-4549-2
Molecular Formula
C7H7N3S
Chinese Name
5-氨基-3-(2-噻吩基)吡唑
Molecular Weight
165.21600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point101-103°C
Boiling Point453.8ºC at 760mmHg
Density1.399g/cm3
Flash Point228.2ºC

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 5-Thien-2-yl-1H-pyrazol-3-amine?

The CAS number of 5-Thien-2-yl-1H-pyrazol-3-amine is 96799-03-0.

What are the molecular formula and molecular weight of 5-Thien-2-yl-1H-pyrazol-3-amine?

5-Thien-2-yl-1H-pyrazol-3-amine has molecular formula C7H7N3S and molecular weight 165.21600 g/mol.

Is 5-Thien-2-yl-1H-pyrazol-3-amine hazardous?

5-Thien-2-yl-1H-pyrazol-3-amine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "5-Thien-2-yl-1H-pyrazol-3-amine (CAS 96799-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4549-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.