1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine 319442-16-5 4-chloro-2-methylthieno[3,2-d]pyrimidine A5755 CAS 319442-16-5

Purity 97%+In StockPharmaceutical Standards
CAS No.319442-16-5
Molecular FormulaC7H13ClN2S
Molecular Weight192.71 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine
319442-16-5
4-chloro-2-methylthieno[3,2-d]pyrimidine
A5755 CAS 319442-16-5 chemical structure

Description

As a certified reference material (CRM), 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine 319442-16-5 4-chloro-2-methylthieno[3,2-d]pyrimidine A5755 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.

CATO supplies 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine 319442-16-5 4-chloro-2-methylthieno[3,2-d]pyrimidine A5755 (CAS 319442-16-5), a certified reference material (molecular formula C7H13ClN2S, MW 192.71 g/mol) for analytical method development and quality control.

Structurally, 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine 319442-16-5 4-chloro-2-methylthieno[3,2-d]pyrimidine A5755 (C7H13ClN2S) contains a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 192.71 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC7H13ClN2S
Molecular Weight192.71 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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