4-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine CAS 23000-43-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23000-43-3 |
| Molecular Formula | C6H5ClN4 |
| Molecular Weight | 168.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 23000-43-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5ClN4. Molecular weight: 168.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN4 |
| Molecular Weight | 168.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 | 4 |
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Recommended Standards
- 4-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyridazine (CAS 96017-48-0)
- 4-Chloro-2,3-dihydro-1-benzofuran-3-one (CAS 3260-90-0)
- 4-chloro-1H-pyrrolo[3,4-c]pyridin-3(2H)-one (CAS 853577-50-1)
- N-(4-iodo-2-methylphenyl)-2-(piperidin-1-yl)acetamide (CAS 247592-56-9)
- 2,4,5-TB (CAS 93-80-1)
- PP2 (CAS 172889-27-9)
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- 9,10-Dimethoxy-2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline dihydrochloride (CAS 109473-56-5)
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