5,6-Dimethyl-2-thiouracil CAS 28456-54-4

Purity >95%In StockPharmaceutical Standards
CAS No.28456-54-4
Molecular FormulaC6H8N2OS
Molecular Weight156.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Dimethyl-2-thiouracil CAS 28456-54-4 chemical structure

Description

5,6-Dimethyl-2-thiouracil (CAS 28456-54-4) is a high-purity analytical reference standard with the molecular formula C6H8N2OS and a molecular weight of 156.21 g/mol.

Based on its molecular formula C6H8N2OS, 5,6-Dimethyl-2-thiouracil contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 5,6-Dimethyl-2-thiouracil 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 FormulaC6H8N2OS
Molecular Weight156.21 g/mol
Purity>95%
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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms2
Sulfur Atoms1

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