Cas no for 3934-20-1,2,4-Dichloropyrimidine ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 3934-20-1

3934-20-1

[CAS Name] 2,4-Dichloropyrimidine

[Formula] C4H2Cl2N2

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Basica Info

[CAS Name]2,4-Dichloropyrimidine
[Alias]Pyrimidine, 2,4-dichloro-; 2,6-Dichloropyrimidine; AI3-26561; NSC 20212; NSC 37531; NSC 49119
[Number]3934-20-1
[EINECS]223-508-6
[Formula]C4H2Cl2N2
[Molecular weight]148.9781

[Melting point]57-62℃
[Boiling point]209.1°C at 760 mmHg
[Density]0.298mmHg at 25°C
[Flash point]104.3°C

3934-20-1 Suppliers

Company

Main Products

Sinoway Industrial Co.Ltd.

Product name	2,4-Dichloropyrimidine； 2,6-Dichloropyrimidine; Pyrimidine, 2,4-dichloro-; Osimertinib intermediate
CAS No.	3934-20-1
Molecular Formula	C4H2Cl2N2
Molecular Weight	148.979
Molecular Structure
Quality Standard	98% up by HPLC
Appearance	Pale yellow or off-white powder

COA

ANALYSIS	SPECIFICATION	RESULTS
Melting point	58-60℃	58.5-60℃
Appearance	Pale yellow or off-white powder	Conforms
Water	≤ 0.2%	0.08%
Residue on ignition	≤ 0.3%	0.23%
Assay (by HPLC)	≥ 98.0%	99.2%
Conclusion	The product meets enterprise standard CDMO service: We can customized manufacturing according to your requirement.

Usage

What is 2,4-Dichloropyrimidine?

2,4-Dichloropyrimidine is one of key intermediates of Osimertinib. Osimertinib is used to treat locally advanced or metastatic non-small-cell lung cancer (NSCLC), if the cancer cells are positive for the T790M mutation in the gene coding for EGFR or for activating EGFR mutations.

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HANGZHOU DAWN RAY PHARMACEUTICAL CO.,LTD.

2,4-Dichloropyrimidine ≥98.0% Intermediate Pyrimidine made in china 3934-20-1

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NANJING CONFIDENCE CHEMICAL CO.,LTD

white solid

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