7-Chloro-4-((2-chlorobenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine CAS 303987-58-8

Purity 97%+In StockPharmaceutical Standards
CAS No.303987-58-8
Molecular FormulaC16H13Cl2NS2
Molecular Weight354.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-Chloro-4-((2-chlorobenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine CAS 303987-58-8 chemical structure

Description

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution, 7-Chloro-4-((2-chlorobenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 354.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

7-Chloro-4-((2-chlorobenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine (CAS 303987-58-8), molecular formula C16H13Cl2NS2 and molecular weight 354.32 g/mol, is a CATO reference standard with documented purity and traceability.

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), 7-Chloro-4-((2-chlorobenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine 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 FormulaC16H13Cl2NS2
Molecular Weight354.32 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms2

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