ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate
4-氯-5-甲基噻吩并[2,3-d]嘧啶-6-羧酸乙酯
Also known as: 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester, 4-chloro-5-methyl-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester, 5-methyl-4-chloro-6-ethoxycarbonylthieno<2,3-d>pyrimidine, thieno[2,3-d]pyrimidine-6-carboxylic acid, 4-chloro-5-methyl-, ethyl ester, ethyl 4-chloro-5-methylthiopheno[2,3-d]pyrimidine-6-carboxylate
ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 101667-98-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O2S and a molecular weight of 256.709 g/mol. It is also known as 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester, 4-chloro-5-methyl-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester and 5-methyl-4-chloro-6-ethoxycarbonylthieno<2,3-d>pyrimidine. Key properties include a boiling point of 374.4±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 180.2±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 101667-98-5
- Jingsj CID
- J-1386255-0
- Molecular Formula
- C10H9ClN2O2S
- Chinese Name
- 4-氯-5-甲基噻吩并[2,3-d]嘧啶-6-羧酸乙酯
- Molecular Weight
- 256.709 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 374.4±37.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 180.2±26.5 °C |
Frequently Asked Questions
What is the CAS number of ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate?
The CAS number of ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate is 101667-98-5.
What are the molecular formula and molecular weight of ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate?
ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate has molecular formula C10H9ClN2O2S and molecular weight 256.709 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 101667-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1386255-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.