4-Chloro-5,8-dihydro-6H-pyrano[3,4-d]pyrimidin-2-amine CAS 2171032-51-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2171032-51-0 |
| Molecular Formula | C7H8ClN3O |
| Molecular Weight | 185.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5,8-dihydro-6H-pyrano[3,4-d]pyrimidin-2-amine (CAS 2171032-51-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8ClN3O. Molecular weight: 185.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H8ClN3O |
| Molecular Weight | 185.61 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 4-Chloro-3,6-dimethylpicolinic acid (CAS 2573799-50-3)
- 4-(5-Chloro-1,3-dihydrobenzo[de]isochromen-6-yl)-6-(methylthio)-1,3,5-triazin-2-amine (CAS 959766-47-3)
- (R)-1-(5-Methylthiophen-2-yl)ethan-1-ol (CAS 1344955-52-7)
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- {bicyclo[2.2.1]heptan-2-yl}(2-fluorophenyl)methanone (CAS 1198168-90-9)
- 4-((3,5-Diamino-1H-pyrazol-4-yl)diazenyl)phenol (CAS 140651-18-9)
- (1R,3s,5S)-3-Methyl-6-oxa-3-phosphabicyclo[3.1.0]hexane 3-oxide (CAS 61247-91-4)
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