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4,6-dichloropyrimido[5,4-d]pyrimidine

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Origin: China

Cas No: 189747-34-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 189747-34-0 Formula: C6H2Cl2N4 Molecular Weight: 201.01300

Basic Info

Chemical Name	4,6-dichloropyrimido[5,4-d]pyrimidine
Synonyms	2,8-Dichloro-Pyrimido[5,4-d]Pyrimidine; 2,5-DINITROFLUORENE; Pyrimido[5,4-d]pyrimidine,2,8-dichloro;
CAS No.	189747-34-0
Molecular Formula	C6H2Cl2N4
Molecular Weight	201.01300
PSA	51.56000
LogP	1.72660

Properties

Density	1.67g/cm3
Refractive Index	1.695

Safety Info

HS Code	2933990090

Synthesis Route

ethyl 5-amino-2-chloropyrimidine-4-carboxylate→4,6-dichloropyrimido[5,4-d]pyrimidine
6-chloro-1H-pyrimido[5,4-d]pyrimidin-4-one→4,6-dichloropyrimido[5,4-d]pyrimidine
5-amino-2-chloropyrimidine-4-carboxamide→4,6-dichloropyrimido[5,4-d]pyrimidine

Precursor

ethyl 5-amino-2-chloropyrimidine-4-carboxylate
5-amino-2-chloropyrimidine-4-carboxamide
6-chloro-1H-pyrimido[5,4-d]pyrimidin-4-one

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