4-Ethynylbenzenethiol CAS 1126530-42-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1126530-42-4
Molecular FormulaC8H6S
Molecular Weight134.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethynylbenzenethiol CAS 1126530-42-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 134.20 g/mol gives 4-Ethynylbenzenethiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Ethynylbenzenethiol (CAS 1126530-42-4), molecular formula C8H6S and molecular weight 134.20 g/mol, is a CATO reference standard with documented purity and traceability.

4-Ethynylbenzenethiol (C8H6S) contains sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

CATO manufactures 4-Ethynylbenzenethiol 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 FormulaC8H6S
Molecular Weight134.20 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Sulfur Atoms1

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