4-Chloro-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine CAS 137438-23-4

Purity 97%+In StockPharmaceutical Standards
CAS No.137438-23-4
Molecular FormulaC11H11ClN2S
Molecular Weight238.74 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine CAS 137438-23-4 chemical structure

Description

High-purity 4-Chloro-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 137438-23-4) pharmaceutical standards reference standard. Molecular formula: C11H11ClN2S. Molecular weight: 238.74 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC11H11ClN2S
Molecular Weight238.74 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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