5-Ethyl-6-methyl-2-propylthieno[2,3-d]pyrimidine-4-thiol CAS 917749-33-8

Purity 97%+In StockPharmaceutical Standards
CAS No.917749-33-8
Molecular FormulaC12H16N2S2
Molecular Weight252.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Ethyl-6-methyl-2-propylthieno[2,3-d]pyrimidine-4-thiol CAS 917749-33-8 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.

5-Ethyl-6-methyl-2-propylthieno[2,3-d]pyrimidine-4-thiol (CAS 917749-33-8) is a high-purity analytical reference standard with the molecular formula C12H16N2S2 and a molecular weight of 252.40 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 5-Ethyl-6-methyl-2-propylthieno[2,3-d]pyrimidine-4-thiol is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 252.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures 5-Ethyl-6-methyl-2-propylthieno[2,3-d]pyrimidine-4-thiol 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 FormulaC12H16N2S2
Molecular Weight252.40 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2
Sulfur Atoms2

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