1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro

Modify Date: 2026-07-19 10:17:00

1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro Structure
1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro structure
Common Name 1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro
CAS Number 633328-98-0 Molecular Weight 154.55700
Density N/A Boiling Point N/A
Molecular Formula C5H3ClN4 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 5-chloro-1H-pyrazolo[4,3-d]pyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C5H3ClN4
Molecular Weight 154.55700
Exact Mass 154.00500
PSA 54.46000
LogP 1.00630
InChIKey MRTKTXTWOUDUTL-UHFFFAOYSA-N
SMILES Clc1ncc2[nH]ncc2n1

 Safety Information

HS Code 2933990090

 Synthetic Route

~45%

1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro Structure

1H-Pyrazolo[4,3...

CAS#:633328-98-0

Learn More
Literature: Heald, Robert; Price, Stephen; Safina, Brian; Savy, Pascal Pierre Alexandre; Seward, Eileen Mary; Sutherlin, Daniel P.; Waszkowycz, Bohdan Patent: US2012/202785 A1, 2012 ; Location in patent: Page/Page column 263 ;

~%

1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro Structure

1H-Pyrazolo[4,3...

CAS#:633328-98-0

Learn More
Literature: Heald, Robert; Price, Stephen; Safina, Brian; Savy, Pascal Pierre Alexandre; Seward, Eileen Mary; Sutherlin, Daniel P.; Waszkowycz, Bohdan Patent: US2012/202785 A1, 2012 ;

~%

1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro Structure

1H-Pyrazolo[4,3...

CAS#:633328-98-0

Learn More
Literature: Heald, Robert; Price, Stephen; Safina, Brian; Savy, Pascal Pierre Alexandre; Seward, Eileen Mary; Sutherlin, Daniel P.; Waszkowycz, Bohdan Patent: US2012/202785 A1, 2012 ;

 Customs

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%

 Synonyms

MFCD18251003
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