2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid

(1,1-二氧代-2,3-二氢-1H-1lambda6-噻吩-3-氨基)-乙酸

Also known as: (1,1-DIOXO-2,3-DIHYDRO-1H-1LAMBDA6-THIOPHEN-3-YLAMINO)-ACETIC ACID, (1,1-DIOXO-2,3-DIHYDRO-1 H-1-THIOPHEN-3-YLAMINO)-ACETIC ACID, (1,1-DIOXO-2,3-DIHYDRO-1H-LAMBDA6-THIOPHEN-3-YLAMINO)-ACETIC ACID, N-(1,1-dioxido-2,3-dihydro-3-thienyl)glycine, AKOS BBS-00004887, CHEMBRDG-BB 4140771

2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid (CAS 201990-24-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9NO4S and a molecular weight of 191.20500 g/mol. It is also known as (1,1-DIOXO-2,3-DIHYDRO-1H-1LAMBDA6-THIOPHEN-3-YLAMINO)-ACETIC ACID, (1,1-DIOXO-2,3-DIHYDRO-1 H-1-THIOPHEN-3-YLAMINO)-ACETIC ACID and (1,1-DIOXO-2,3-DIHYDRO-1H-LAMBDA6-THIOPHEN-3-YLAMINO)-ACETIC ACID. Key properties include a boiling point of 503.2ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 258.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
201990-24-1
Jingsj CID
J-1012046-4
Molecular Formula
C6H9NO4S
Chinese Name
(1,1-二氧代-2,3-二氢-1H-1lambda6-噻吩-3-氨基)-乙酸
Molecular Weight
191.20500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point503.2ºC at 760 mmHg
Density1.52g/cm3
Flash Point258.1ºC

Frequently Asked Questions

What is the CAS number of 2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid?

The CAS number of 2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid is 201990-24-1.

What are the molecular formula and molecular weight of 2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid?

2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid has molecular formula C6H9NO4S and molecular weight 191.20500 g/mol.

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

Last updated:

How to cite: Jingsj. "2-[(1,1-dioxo-2,3-dihydrothiophen-3-yl)amino]acetic acid (CAS 201990-24-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012046-4 (accessed 2026-10-23).

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