4aH-Thioxanthen-9(9aH)-one CAS 126395-12-8

Purity 97%+In StockPharmaceutical Standards
CAS No.126395-12-8
Molecular FormulaC13H10OS
Molecular Weight214.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4aH-Thioxanthen-9(9aH)-one CAS 126395-12-8 chemical structure

Description

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

4aH-Thioxanthen-9(9aH)-one (CAS 126395-12-8), molecular formula C13H10OS and molecular weight 214.28 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4aH-Thioxanthen-9(9aH)-one (C13H10OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 214.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4aH-Thioxanthen-9(9aH)-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 FormulaC13H10OS
Molecular Weight214.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Sulfur Atoms1

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