3-Bromo-4-hydroxy-8,9,10,11-tetrahydrobenzo[4',5']thieno[2',3':4,5]pyrimido[1,2-a]azepin-13(7H)-one CAS 136824-98-1

Purity 97%+In StockPharmaceutical Standards
CAS No.136824-98-1
Molecular FormulaC15H13BrN2O2S
Molecular Weight365.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Bromo-4-hydroxy-8,9,10,11-tetrahydrobenzo[4',5']thieno[2',3':4,5]pyrimido[1,2-a]azepin-13(7H)-one CAS 136824-98-1 chemical structure

Description

3-Bromo-4-hydroxy-8,9,10,11-tetrahydrobenzo[4',5']thieno[2',3':4,5]pyrimido[1,2-a]azepin-13(7H)-one (CAS 136824-98-1), molecular formula C15H13BrN2O2S and molecular weight 365.24 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-Bromo-4-hydroxy-8,9,10,11-tetrahydrobenzo[4',5']thieno[2',3':4,5]pyrimido[1,2-a]azepin-13(7H)-one (C15H13BrN2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 365.24 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 3-Bromo-4-hydroxy-8,9,10,11-tetrahydrobenzo[4',5']thieno[2',3':4,5]pyrimido[1,2-a]azepin-13(7H)-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 FormulaC15H13BrN2O2S
Molecular Weight365.24 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Halogen ContentBr-containing
Nitrogen Atoms2
Sulfur Atoms1

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