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Identify Suppliers 2026 Properties Safty

2-Chloro-5-nitro-4-pyrimidinamine

BGC Id:	912173101927
CAS No:	1920-66-7
Synonyms:	4-pyrimidinamine, 2-chloro-5-nitro- ; 4-amino-5-nitro-2-chloropyrimidine ; 2-chloro-5-nitropyrimidine-4-amine ; iflab-bb f1930-0037 ; 2-chloro-5-nitropyrimidin-4-amine ; pyrimidine,4-amino-2-chloro-5-nitro- (6ci,7ci,8ci) ; nsc40838 ; 4-pyrimidinamine,2-chloro-5-nitro- ; 2-chloro-4-amino-5-nitropyrimidine ; 4-amino-2-chloro-5-nitropyrimidine ; 2-chloro-5-nitro-6-aminopyrimidine ; 2-chloro-5-nitropyrimidine-4-amino ; 2-chloro-5-nitro-4-pyrimidinamine
Molecular Formula:	C4H3ClN4O2
Molecular Weight:	174.55
EINECS:	217-648-7

The most competitive supplier in 2026

The following notable provider has been checked and can be recommended.

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Country: P.R.China

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We sell Acid Blue 284 as well. We act also as agent of many chemical factories and promote their products to the international m ...

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What other providers are available for CAS 1920-66-7?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

4-pyrimidinamine, 2-chloro-5-nitro- ; 4-amino-5-nitro-2-chloropyrimidine ; 2-chloro-5-nitropyrimidine-4-amine ; iflab-bb f1930-0037 ; 2-chloro-5-nitropyrimidin-4-amine ; pyrimidine,4-amino-2-chloro-5-nitro- (6ci,7ci,8ci) ; nsc40838 ; 4-pyrimidinamine,2-chloro-5-nitro- ; 2-chloro-4-amino-5-nitropyrimidine ; 4-amino-2-chloro-5-nitropyrimidine ; 2-chloro-5-nitro-6-aminopyrimidine ; 2-chloro-5-nitropyrimidine-4-amino ; 2-chloro-5-nitro-4-pyrimidinamine

CAS:

1920-66-7

EINECS:

217-648-7

Molecular Formula:

C4H3ClN4O2

MDL:

MFCD00127771

Properties

Molecular Weight:

174.55 g·mol−1

Density:

1.712 g/cm3

Melting point:

221-226 °C

Boiling point:

446 °C at 760 mmHg

Flash point:

223.5 °C

Safety Information

Hazard Symbols: Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22-36/37/38-43 (R)

Safety Codes:

26-36/37 (S)

What other providers are available for CAS 1920-66-7?

In addition to the providers presented here for 2-Chloro-5-nitro-4-pyrimidinamine with the CAS number 1920-66-7, there are other 27 providers with slightly different product names available for this CAS number.

1-(2-Prop-2-enoxyethoxy)butane

+1 additional providers that we know from the past

2-Chloro-5-nitropyrimidin-4-amine

Capot Chemical Co., Ltd. | Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH +16 additional providers that we know from the past

4-Amino-2-chloro-5-nitropyrimidine

Xingrui Industry Co., Limited +3 additional providers that we know from the past

4-Amino-5-nitro-2-chloropyrimidine

+1 additional providers that we know from the past