4H-thiochromeno[3,4-d][1,2]oxazole CAS 22362-53-4

Purity 97%+In StockPharmaceutical Standards
CAS No.22362-53-4
Molecular FormulaC10H7NOS
Molecular Weight189.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4H-thiochromeno[3,4-d][1,2]oxazole CAS 22362-53-4 chemical structure

Description

4H-thiochromeno[3,4-d][1,2]oxazole (CAS 22362-53-4) is a high-purity analytical reference standard with the molecular formula C10H7NOS and a molecular weight of 189.23 g/mol.

Structurally, 4H-thiochromeno[3,4-d][1,2]oxazole (C10H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 189.23 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

As a certified reference material (CRM), 4H-thiochromeno[3,4-d][1,2]oxazole 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 FormulaC10H7NOS
Molecular Weight189.23 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms1

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