4-Chloro-6-ethylthieno[2,3-d]pyrimidine

4-氯-6-乙基噻吩并[2,3-d]嘧啶

Also known as: 4-chloro-6-ethylthieno[2,3-d]pyrimidine, thieno[2,3-d]pyrimidine, 4-chloro-6-ethyl-, MFCD01950152

4-Chloro-6-ethylthieno[2,3-d]pyrimidine (CAS 81136-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN2S and a molecular weight of 198.673 g/mol. It is also known as 4-chloro-6-ethylthieno[2,3-d]pyrimidine, thieno[2,3-d]pyrimidine, 4-chloro-6-ethyl- and MFCD01950152. Key properties include a boiling point of 311.1±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 141.9±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81136-42-7
Jingsj CID
J-47760-4
Molecular Formula
C8H7ClN2S
Chinese Name
4-氯-6-乙基噻吩并[2,3-d]嘧啶
Molecular Weight
198.673 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point311.1±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point141.9±26.5 °C

Frequently Asked Questions

What is the CAS number of 4-Chloro-6-ethylthieno[2,3-d]pyrimidine?

The CAS number of 4-Chloro-6-ethylthieno[2,3-d]pyrimidine is 81136-42-7.

What are the molecular formula and molecular weight of 4-Chloro-6-ethylthieno[2,3-d]pyrimidine?

4-Chloro-6-ethylthieno[2,3-d]pyrimidine has molecular formula C8H7ClN2S and molecular weight 198.673 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Chloro-6-ethylthieno[2,3-d]pyrimidine (CAS 81136-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47760-4 (accessed 2026-10-23).

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