2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide

2-氨基-5,6-二氢-4H-环戊烷并[b]噻吩-3-甲酰胺

Also known as: 4H-Cyclopenta[b]thiophene-3-carboxamide, 2-amino-5,6-dihydro-, AKOS 92560, AKOS BBS-00007971, AKOS MSC-0466, ASISCHEM Z28662, AURORA 4809, CHEMBRDG-BB 3000477, MFCD00122463, F1973-0020

2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 77651-38-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10N2OS and a molecular weight of 182.24300 g/mol. It is also known as 4H-Cyclopenta[b]thiophene-3-carboxamide, 2-amino-5,6-dihydro-, AKOS 92560 and AKOS BBS-00007971. Key properties include a melting point of 169-171ºC, a boiling point of 308.2ºC at 760 mmHg, a density of 1.412g/cm3 and a flash point of 140.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77651-38-8
Jingsj CID
J-42803-7
Molecular Formula
C8H10N2OS
Chinese Name
2-氨基-5,6-二氢-4H-环戊烷并[b]噻吩-3-甲酰胺
Molecular Weight
182.24300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point169-171ºC
Boiling Point308.2ºC at 760 mmHg
Density1.412g/cm3
Flash Point140.2ºC

Frequently Asked Questions

What is the CAS number of 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide?

The CAS number of 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide is 77651-38-8.

What are the molecular formula and molecular weight of 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide?

2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide has molecular formula C8H10N2OS and molecular weight 182.24300 g/mol.

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

Last updated:

How to cite: Jingsj. "2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 77651-38-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42803-7 (accessed 2026-10-24).

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