![Molecular structure of 4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 88203-19-4)](/images/chem_structures_svg/175/88203-19-4.svg)
4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine
Also known as: 4-Chloro-2-chloromethyl-5,6-dimethyl-thieno[2,3-d]pyrimidine, 4-chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine, Thieno[2,3-d]pyrimidine, 4-chloro-2-(chloromethyl)-5,6-dimethyl-
4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 88203-19-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8Cl2N2S and a molecular weight of 247.14400 g/mol. Key properties include a boiling point of 291.9ºC at 760 mmHg, a density of 1.439g/cm3 and a flash point of 130.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 88203-19-4
- Jingsj CID
- J-1144941-5
- Molecular Formula
- C9H8Cl2N2S
- Molecular Weight
- 247.14400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 291.9ºC at 760 mmHg |
|---|---|
| Density | 1.439g/cm3 |
| Flash Point | 130.3ºC |
| Exact Mass | 245.97900 |
| PSA | 54.02000 |
| LogP | 3.70030 |
| Refractive Index | 1.654 |
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-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine?
The CAS number of 4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine is 88203-19-4.
What are the molecular formula and molecular weight of 4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine?
4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine has molecular formula C9H8Cl2N2S and molecular weight 247.14400 g/mol.
What are the upstream and downstream products of 4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine?
For 4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine, Upstream Products: 2-Amino-4,5-dimethylthiophene-3-carbonitrile, Chloroacetonitrile.
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-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 88203-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144941-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.