2-Amino-6-chloro-4-pyrimidinol

Also known as: 2-Amino-4-chloro-6-hydroxypyrimidine, 2-Amino-4-chloro-6-pyrimidinol, 2-Amino-6-chloropyrimidin-4(3H)-one, 2-Amino-6-chloro-4(1H)-pyrimidinone, 2-Amino-6-chloro-1H-pyrimidin-4-one, 4(1H)-Pyrimidinone, 2-amino-6-chloro-, 4-Pyrimidinol, 2-amino-6-chloro-

2-Amino-6-chloro-4-pyrimidinol (CAS 1194-21-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClN3O and a molecular weight of 145.547 g/mol. Key properties include a melting point of 252 °C (dec.)(lit.), a boiling point of 413.7±48.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 204.0±29.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1194-21-4
Jingsj CID: J-48650-0
Molecular Formula: C₄H₄ClN₃O
Molecular Weight: 145.547 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	252 °C (dec.)(lit.)
Boiling Point	413.7±48.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	204.0±29.6 °C
Exact Mass	145.004288
PSA	72.03000
LogP	0.12
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.680

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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-Amino-6-chloro-4-pyrimidinol?

The CAS number of 2-Amino-6-chloro-4-pyrimidinol is 1194-21-4.

What are the molecular formula and molecular weight of 2-Amino-6-chloro-4-pyrimidinol?

2-Amino-6-chloro-4-pyrimidinol has molecular formula C4H4ClN3O and molecular weight 145.547 g/mol.

What are the upstream and downstream products of 2-Amino-6-chloro-4-pyrimidinol?

For 2-Amino-6-chloro-4-pyrimidinol, Upstream Products: 2-Amino-4,6-dichloropyrimidine, 4,6-Dichloropyrimidine, 2-Amino-4,6-dihydroxypyrimidine; Downstream Products: 2-Amino-4-chloro-6-hydroxy-5-nitropyrimidine, 2-Amino-4,6-dichloropyrimidine.

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-Amino-6-chloro-4-pyrimidinol (CAS 1194-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48650-0 (accessed 2026-11-09).

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