4,7-dichloropyrido[2,3-d]pyrimidine

Also known as: Pyrido[2,3-d]pyrimidine, 4,7-dichloro- (9CI), 4,7-Dichloro-pyrido[2,3-d]pyrimidine

4,7-dichloropyrido[2,3-d]pyrimidine (CAS 552331-44-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2N3 and a molecular weight of 200.02500 g/mol. Key properties include a boiling point of 327.243ºC at 760 mmHg, a density of 1.573g/cm3 and a flash point of 181.634ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 552331-44-9
Jingsj CID: J-1511076-6
Molecular Formula: C₇H₃Cl₂N₃
Molecular Weight: 200.02500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	327.243ºC at 760 mmHg
Density	1.573g/cm3
Flash Point	181.634ºC
Exact Mass	198.97000
PSA	38.67000
LogP	2.33160
Refractive Index	1.682

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 4,7-dichloropyrido[2,3-d]pyrimidine?

The CAS number of 4,7-dichloropyrido[2,3-d]pyrimidine is 552331-44-9.

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

4,7-dichloropyrido[2,3-d]pyrimidine has molecular formula C7H3Cl2N3 and molecular weight 200.02500 g/mol.

What are the upstream and downstream products of 4,7-dichloropyrido[2,3-d]pyrimidine?

For 4,7-dichloropyrido[2,3-d]pyrimidine, Upstream Products: 7-Chloropyrido[2,3-d]pyrimidin-4-ol.

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. "4,7-dichloropyrido[2,3-d]pyrimidine (CAS 552331-44-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511076-6 (accessed 2026-11-09).

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