4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% CAS 57564-94-0

Purity 97%+In StockPharmaceutical Standards
CAS No.57564-94-0
Molecular FormulaC7H6ClN3S
Molecular Weight199.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% CAS 57564-94-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 199.66 g/mol gives 4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% (CAS 57564-94-0), molecular formula C7H6ClN3S and molecular weight 199.66 g/mol, is a CATO reference standard with documented purity and traceability.

4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% (C7H6ClN3S) contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

CATO manufactures 4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% 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 FormulaC7H6ClN3S
Molecular Weight199.66 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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