2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine CAS 129872-81-7

Description

Compared with other compounds in its class, the molecular weight of 210.10 g/mol gives 2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 129872-81-7) is a high-purity analytical reference standard with the molecular formula C7H13Cl2N3 and a molecular weight of 210.10 g/mol.

Structurally, 2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine (C7H13Cl2N3) contains a nitrile group, 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 210.10 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.

As a certified reference material (CRM), 2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine 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

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com