(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid

(噻吩并[2,3-d]嘧啶-4-基硫代)乙酸

Also known as: 2-(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid, 2-{thieno[2,3-d]pyrimidin-4-ylsulfanyl}acetic acid, thieno[2,3-d]pyrimidin-4-ylthioacetic acid, Acetic acid, 2-(thieno[2,3-d]pyrimidin-4-ylthio)-, hms1754h10

(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid (CAS 18740-26-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2S2 and a molecular weight of 226.27500 g/mol. It is also known as 2-(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid, 2-{thieno[2,3-d]pyrimidin-4-ylsulfanyl}acetic acid and thieno[2,3-d]pyrimidin-4-ylthioacetic acid. Key properties include a boiling point of 455.5ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 229.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18740-26-6
Jingsj CID
J-1166847-3
Molecular Formula
C8H6N2O2S2
Chinese Name
(噻吩并[2,3-d]嘧啶-4-基硫代)乙酸
Molecular Weight
226.27500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point455.5ºC at 760 mmHg
Density1.59g/cm3
Flash Point229.3ºC

Frequently Asked Questions

What is the CAS number of (thieno[2,3-d]pyrimidin-4-ylthio)acetic acid?

The CAS number of (thieno[2,3-d]pyrimidin-4-ylthio)acetic acid is 18740-26-6.

What are the molecular formula and molecular weight of (thieno[2,3-d]pyrimidin-4-ylthio)acetic acid?

(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid has molecular formula C8H6N2O2S2 and molecular weight 226.27500 g/mol.

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

Last updated:

How to cite: Jingsj. "(thieno[2,3-d]pyrimidin-4-ylthio)acetic acid (CAS 18740-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1166847-3 (accessed 2026-10-22).

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