4-Chlorothieno[2,3-d]pyrimidine

4-氯噻吩并[2,3-d]嘧啶

Also known as: 4-chlorothieno[2,3-d]pyrimidine, BUTTPARK 48/18-41, MFCD01312373, Thieno[2,3-d]pyrimidine, 4-chloro-

4-Chlorothieno[2,3-d]pyrimidine (CAS 14080-59-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2S and a molecular weight of 170.619 g/mol. It is also known as 4-chlorothieno[2,3-d]pyrimidine, BUTTPARK 48/18-41 and MFCD01312373. Key properties include a melting point of 109-113ºC, a boiling point of 285.7±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 126.6±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14080-59-2
Jingsj CID
J-1115278-5
Molecular Formula
C6H3ClN2S
Chinese Name
4-氯噻吩并[2,3-d]嘧啶
Molecular Weight
170.619 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point109-113ºC
Boiling Point285.7±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point126.6±21.8 °C

Frequently Asked Questions

What is the CAS number of 4-Chlorothieno[2,3-d]pyrimidine?

The CAS number of 4-Chlorothieno[2,3-d]pyrimidine is 14080-59-2.

What are the molecular formula and molecular weight of 4-Chlorothieno[2,3-d]pyrimidine?

4-Chlorothieno[2,3-d]pyrimidine has molecular formula C6H3ClN2S and molecular weight 170.619 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Chlorothieno[2,3-d]pyrimidine (CAS 14080-59-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115278-5 (accessed 2026-10-22).

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