2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine

Also known as: 2,4-Dichloro-6,7-dihydro-5H-cyclopentapyrimidine, 2,4-Dichlor-5,6-tetramethylen-pyrimidin, 2,4-Dichloro-5,6-tetramethylenepyrimidine, QC-3862

2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 1127-85-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8Cl2N2 and a molecular weight of 203.068 g/mol. Key properties include a melting point of 70-72ºC, a boiling point of 325.6±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 180.6±13.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1127-85-1
Jingsj CID: J-1484884-1
Molecular Formula: C₈H₈Cl₂N₂
Molecular Weight: 203.068 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	70-72ºC
Boiling Point	325.6±42.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	180.6±13.5 °C
Exact Mass	202.006454
PSA	25.78000
LogP	2.84
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.583

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 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine?

The CAS number of 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine is 1127-85-1.

What are the molecular formula and molecular weight of 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine?

2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine has molecular formula C8H8Cl2N2 and molecular weight 203.068 g/mol.

What are the upstream and downstream products of 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine?

For 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine, Upstream Products: 5,6,7,8-Tetrahydroquinazoline-2,4(1H,3H)-dione, Benzoyleneurea, Ethyl 2-oxocyclohexanecarboxylate.

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-dihydro-5H-cyclopenta[d]pyrimidine (CAS 1127-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1484884-1 (accessed 2026-11-09).

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