2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine

Also known as: 2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine, 2,4-Dichloro-6,7-dihydro-thieno[3,2-d]pyrimidine, 2,4-Dichloro-6H,7H-thieno[3,2-d]pyrimidine, Thieno[3,2-d]pyrimidine, 2,4-dichloro-6,7-dihydro-

2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine (CAS 74901-69-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2N2S and a molecular weight of 207.080 g/mol. Key properties include a boiling point of 329.4±42.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 153.0±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74901-69-2
Jingsj CID: J-1523269-6
Molecular Formula: C₆H₄Cl₂N₂S
Molecular Weight: 207.080 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	329.4±42.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	153.0±27.9 °C
Exact Mass	205.947220
PSA	51.08000
LogP	2.00
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.670
Storage Conditions	2-8°C

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 2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine?

The CAS number of 2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine is 74901-69-2.

What are the molecular formula and molecular weight of 2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine?

2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine has molecular formula C6H4Cl2N2S and molecular weight 207.080 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine (CAS 74901-69-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523269-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.