[1,2,5]Thiadiazolo[3,4-d]pyrimidin-7(6H)-one

[1,2,5]噻二唑并[3,4-d]嘧啶-7(6H)-酮

Also known as: 6H-[1,2,5]thiadiazolo[3,4-d]pyrimidin-7-one, (1,2,5)thiadiazolo(3,4-d)pyrimidin-7(6H)-one, (1,2,5)thiadiazolo(3,4-d)pyrimidin-7(3H)-one, 7-Oxo-[1,2,5]thiadiazolo[3,4-d]pyrimidine(6H)

CAS No.
7598-41-6
Jingsj CID
J-1570711-2
Molecular Formula
C4H2N4OS
Chinese Name
[1,2,5]噻二唑并[3,4-d]嘧啶-7(6H)-酮
Molecular Weight
154.15000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point267.1ºC at 760mmHg
Density2.19g/cm3
Flash Point115.4ºC

Frequently Asked Questions

What is the CAS number of [1,2,5]Thiadiazolo[3,4-d]pyrimidin-7(6H)-one?

7598-41-6

What are the molecular formula and molecular weight of [1,2,5]Thiadiazolo[3,4-d]pyrimidin-7(6H)-one?

C4H2N4OS, molecular weight 154.15000 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026