2,4-Dichlorothieno[3,2-d]pyrimidine

Also known as: 2,4-Dichlorothiopheno[3,2-d]pyrimidine, 2,4-dichlorothieno[3,2-d]pyrimidine, 2,4-dichlorothieno[3,2-d]pyrimidine ,97%, 4-dichlorothieno[3, MFCD08448158, Thieno[3,2-d]pyrimidine, 2,4-dichloro-

2,4-Dichlorothieno[3,2-d]pyrimidine (CAS 16234-14-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl2N2S and a molecular weight of 205.064 g/mol. Key properties include a melting point of 136.0 to 140.0 °C, a boiling point of 274.8±22.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 120.0±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16234-14-3
Jingsj CID: J-5870-8
Molecular Formula: C₆H₂Cl₂N₂S
Molecular Weight: 205.064 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	136.0 to 140.0 °C
Boiling Point	274.8±22.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	120.0±22.3 °C
Exact Mass	203.931580
PSA	54.02000
LogP	3.88
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.715

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-Dichlorothieno[3,2-d]pyrimidine?

The CAS number of 2,4-Dichlorothieno[3,2-d]pyrimidine is 16234-14-3.

What are the molecular formula and molecular weight of 2,4-Dichlorothieno[3,2-d]pyrimidine?

2,4-Dichlorothieno[3,2-d]pyrimidine has molecular formula C6H2Cl2N2S and molecular weight 205.064 g/mol.

What are the upstream and downstream products of 2,4-Dichlorothieno[3,2-d]pyrimidine?

For 2,4-Dichlorothieno[3,2-d]pyrimidine, Upstream Products: Thieno[3,2-d]pyrimidine-2,4-diol, Methyl 3-aminothiophene-2-carboxylate, Urea; Downstream Products: 2-Chloro-4-morpholinothieno[3,2-d]pyrimidine-6-carbaldehyde, 2-(1H-Indazol-4-yl)-6-[[4-(methylsulfonyl)-1-piperazinyl]methyl]-4-(4-morpholinyl)thieno[3,2-d]pyrimidine, 2-Chlorothieno[3,2-d]pyrimidine.

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-Dichlorothieno[3,2-d]pyrimidine (CAS 16234-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5870-8 (accessed 2026-11-09).

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