6-Chloropyrimidine-4-carbonyl chloride CAS 263270-52-6
| CAS No. | 263270-52-6 |
| Molecular Formula | C5H2Cl2N2O |
| Molecular Weight | 176.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloropyrimidine-4-carbonyl chloride (C5H2Cl2N2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
6-Chloropyrimidine-4-carbonyl chloride (CAS 263270-52-6) is a high-purity analytical reference standard with the molecular formula C5H2Cl2N2O and a molecular weight of 176.99 g/mol.
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 6-Chloropyrimidine-4-carbonyl chloride 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 Formula | C5H2Cl2N2O |
| Molecular Weight | 176.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloropyrimidine Standards
- 2-Chloropyrimidine-5-carbonyl chloride (CAS 110099-99-5)
- 4-Chloropyrimidine-5-carbonyl chloride (CAS 1261494-35-2)
- 2-Chloropyrimidine-4-carbonyl chloride (CAS 149849-93-4)
- methyl 2-chloropyrimidine-5-carboxylate (CAS 287714-35-6)
- methyl 4-chloropyrimidine-2-carboxylate (CAS 811450-17-6)
- Methyl 4-Chloropyrimidine-5-carboxylate (CAS 1246471-45-3)
- Methyl 5-chloropyrimidine-4-carboxylate (CAS 124999-47-9)
- Methyl 2-chloropyrimidine-4-carboxylate (CAS 149849-94-5)
Recommended Standards
- 6-Chloropyridazine-3-carbonyl chloride (CAS 6531-04-0)
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- 1-(1-Phenyl-3-p-tolyl-1H-pyrazol-5-yl)thiourea (CAS 851052-50-1)
- 2-Boc-4,4-difluoro-2,6-diazabicyclo[3.2.0]heptane (CAS 1251020-14-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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