methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate CAS 1909316-25-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1909316-25-1
Molecular FormulaC10H11N3O4S
Molecular Weight269.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate CAS 1909316-25-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate.

methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate (CAS 1909316-25-1) is a high-purity analytical reference standard with the molecular formula C10H11N3O4S and a molecular weight of 269.28 g/mol.

Based on its molecular formula C10H11N3O4S, methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), methyl 5-amino-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 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 FormulaC10H11N3O4S
Molecular Weight269.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Nitrogen Atoms3
Sulfur Atoms1

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