3-Amino-2,4,6,7-tetrahydrothiopyrano[4,3-c]pyrazole 5,5-dioxide CAS 1306604-52-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1306604-52-3
Molecular FormulaC6H9N3O2S
Molecular Weight187.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Amino-2,4,6,7-tetrahydrothiopyrano[4,3-c]pyrazole 5,5-dioxide CAS 1306604-52-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 187.22 g/mol gives 3-Amino-2,4,6,7-tetrahydrothiopyrano[4,3-c]pyrazole 5,5-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Amino-2,4,6,7-tetrahydrothiopyrano[4,3-c]pyrazole 5,5-dioxide (CAS 1306604-52-3), molecular formula C6H9N3O2S and molecular weight 187.22 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H9N3O2S, 3-Amino-2,4,6,7-tetrahydrothiopyrano[4,3-c]pyrazole 5,5-dioxide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC6H9N3O2S
Molecular Weight187.22 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms3
Sulfur Atoms1

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