4-Chloro-5-methylthieno[2,3-d]pyrimidine
4-氯-5-甲基噻吩并[2,3-d]嘧啶
Also known as: 4-Chloro-5-methylthieno[2,3-d]pyrimidine, 5-Methyl-4-chlorothieno[2,3-d]pyrimidine, NSC 153315, BUTTPARK 46\18-75, MFCD00205201, Thieno[2,3-d]pyrimidine, 4-chloro-5-methyl-
4-Chloro-5-methylthieno[2,3-d]pyrimidine (CAS 43088-67-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5ClN2S and a molecular weight of 184.64600 g/mol. It is also known as 5-Methyl-4-chlorothieno[2,3-d]pyrimidine, NSC 153315 and BUTTPARK 46\18-75. Key properties include a melting point of 137ºC, a boiling point of 301.3ºC at 760mmHg, a density of 1.445g/cm3 and a flash point of 136ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 43088-67-1
- Jingsj CID
- J-27031-3
- Molecular Formula
- C7H5ClN2S
- Chinese Name
- 4-氯-5-甲基噻吩并[2,3-d]嘧啶
- Molecular Weight
- 184.64600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137ºC |
|---|---|
| Boiling Point | 301.3ºC at 760mmHg |
| Density | 1.445g/cm3 |
| Flash Point | 136ºC |
Frequently Asked Questions
What is the CAS number of 4-Chloro-5-methylthieno[2,3-d]pyrimidine?
The CAS number of 4-Chloro-5-methylthieno[2,3-d]pyrimidine is 43088-67-1.
What are the molecular formula and molecular weight of 4-Chloro-5-methylthieno[2,3-d]pyrimidine?
4-Chloro-5-methylthieno[2,3-d]pyrimidine has molecular formula C7H5ClN2S and molecular weight 184.64600 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-5-methylthieno[2,3-d]pyrimidine (CAS 43088-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27031-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.