1,4,5,7-Tetrahydropyrano[3,4-c]pyrazol-4-ol CAS 1391733-26-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1391733-26-8
Molecular FormulaC6H8N2O2
Molecular Weight140.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4,5,7-Tetrahydropyrano[3,4-c]pyrazol-4-ol CAS 1391733-26-8 chemical structure

Description

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.

1,4,5,7-Tetrahydropyrano[3,4-c]pyrazol-4-ol (CAS 1391733-26-8), molecular formula C6H8N2O2 and molecular weight 140.14 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1,4,5,7-Tetrahydropyrano[3,4-c]pyrazol-4-ol (C6H8N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 140.14 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

Physical & Chemical Properties

Molecular FormulaC6H8N2O2
Molecular Weight140.14 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.)1991
Nitrogen Atoms2

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