5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one CAS 174279-85-7

Purity 97%+In StockPharmaceutical Standards
CAS No.174279-85-7
Molecular FormulaC6H4N4O2S
Molecular Weight196.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one CAS 174279-85-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 196.19 g/mol gives 5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one (CAS 174279-85-7), a certified reference material (molecular formula C6H4N4O2S, MW 196.19 g/mol) for analytical method development and quality control.

The molecular framework of 5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one (C6H4N4O2S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 5-Amino-6-nitroso-7H-thiazolo[3,2-a]pyrimidin-7-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H4N4O2S
Molecular Weight196.19 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2006
Nitrogen Atoms4
Sulfur Atoms1

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