4,6-Dichloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine CAS 22277-09-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22277-09-4 |
| Molecular Formula | C7H5Cl2N3 |
| Molecular Weight | 202.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4,6-Dichloro-2-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 22277-09-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5Cl2N3. Molecular weight: 202.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2N3 |
| Molecular Weight | 202.04 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1060815-86-2)
- 5,6-dichloro-2,3-dihydro-1H-isoindol-1-one (CAS 110568-67-7)
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Recommended Standards
- 4,6-dichloro-1H-1,3-benzodiazol-2-amine (CAS 30486-76-1)
- 4,6-Dichloroisoindolin-1-one (CAS 74572-30-8)
- 4,5-Dichloro-2,3-dihydro-1h-isoindol-1-one (CAS 75570-99-9)
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- 2-Chloro-N-(5-(4-methoxyphenyl)-1,3,4-thiadiazol-2-yl)acetamide (CAS 18199-99-0)
- 6-Carboxyl-4-phenyl-3,4-dihydrocoumarin (CAS 356782-33-7)
- (1R,2R)-2-(Difluoromethyl)cyclopropan-1-amine (CAS 1932077-51-4)
- 4-tert-Butyl-3-[3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propyl]-2,3,4,5-tetrahydro-1H-1,3,4-benzotriazepine-2,5-dione (CAS 866009-79-2)
- 3-bromo-5H,6H,7H,8H,9H-[1,2,4]triazolo[4,3-a]azepine (CAS 1379357-77-3)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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