3-Amino-2-sulfanylidene-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-4-one CAS 440323-64-8

Purity 97%+In StockPharmaceutical Standards
CAS No.440323-64-8
Molecular FormulaC6H5N3OS2
Molecular Weight199.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Amino-2-sulfanylidene-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-4-one CAS 440323-64-8 chemical structure

Description

CATO supplies 3-Amino-2-sulfanylidene-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 440323-64-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5N3OS2. Molecular weight: 199.25 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC6H5N3OS2
Molecular Weight199.25 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms2

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