3,7-Dichloro-10H-phenothiazine CAS 1771-23-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1771-23-9
Molecular FormulaC12H7Cl2NS
Molecular Weight268.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,7-Dichloro-10H-phenothiazine CAS 1771-23-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 268.16 g/mol gives 3,7-Dichloro-10H-phenothiazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3,7-Dichloro-10H-phenothiazine (CAS 1771-23-9), a certified reference material (molecular formula C12H7Cl2NS, MW 268.16 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H7Cl2NS, 3,7-Dichloro-10H-phenothiazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

CATO manufactures 3,7-Dichloro-10H-phenothiazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC12H7Cl2NS
Molecular Weight268.16 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

Related Dichloro Standards

Recommended Standards

Why CATO?