5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one CAS 900640-87-1

Purity 97%+In StockPharmaceutical Standards
CAS No.900640-87-1
Molecular FormulaC13H18N4OS
Molecular Weight278.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one CAS 900640-87-1 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 5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one.

5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 900640-87-1), molecular formula C13H18N4OS and molecular weight 278.37 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one (C13H18N4OS) 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 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 278.37 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), 5,6-dimethyl-2-(piperazin-1-ylmethyl)-1H,4H-thieno[2,3-d]pyrimidin-4-one 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 FormulaC13H18N4OS
Molecular Weight278.37 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4
Sulfur Atoms1

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