3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine CAS 893613-09-7

Purity 97%+In StockPharmaceutical Standards
CAS No.893613-09-7
Molecular FormulaC19H17N3O3S
Molecular Weight367.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine CAS 893613-09-7 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine.

3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine (CAS 893613-09-7), molecular formula C19H17N3O3S and molecular weight 367.42 g/mol, is a CATO reference standard with documented purity and traceability.

3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine (C19H17N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 3-Thiophen-2-yl-6-(3,4,5-trimethoxyphenyl)-pyrazolo[1,5-a]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC19H17N3O3S
Molecular Weight367.42 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms3
Sulfur Atoms1

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