![Molecular structure of 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-90-7)](/images/chem_structures_svg/397/439692-90-7.svg)
4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine
Also known as: 4-CHLORO-5-ETHYL-6-METHYLTHIENO[2,3-D]PYRIMIDINE, thieno[2,3-d]pyrimidine, 4-chloro-5-ethyl-6-methyl-, 4-chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine(SALTDATA: FREE)
4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-90-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9ClN2S and a molecular weight of 212.69900 g/mol. Key properties include a boiling point of 329ºC at 760 mmHg, a density of 1.325g/cm3 and a flash point of 152.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 439692-90-7
- Jingsj CID
- J-1084357-9
- Molecular Formula
- C9H9ClN2S
- Molecular Weight
- 212.69900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 329ºC at 760 mmHg |
|---|---|
| Density | 1.325g/cm3 |
| Flash Point | 152.8ºC |
| Exact Mass | 212.01700 |
| PSA | 54.02000 |
| LogP | 3.21550 |
| Refractive Index | 1.641 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine?
The CAS number of 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine is 439692-90-7.
What are the molecular formula and molecular weight of 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine?
4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine has molecular formula C9H9ClN2S and molecular weight 212.69900 g/mol.
What are the upstream and downstream products of 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine?
For 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine, Upstream Products: 5-Ethyl-6-methylthieno[2,3-d]pyrimidin-4(3H)-one, 2-Pentanone, 3-Pentanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084357-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.