Oxazolo[4,5-d]pyrimidine CAS 42850-93-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42850-93-1 |
| Molecular Formula | C5H3N3O |
| Molecular Weight | 121.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Oxazolo[4,5-d]pyrimidine (CAS 42850-93-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3N3O. Molecular weight: 121.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3N3O |
| Molecular Weight | 121.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 3 |
Related Oxazolo Standards
- Oxazolo[5,4-d]pyrimidine (CAS 273-64-3)
- Oxazolo[4,5-b]pyridine (CAS 273-97-2)
- Oxazolo[4,5-c]pyridine (CAS 273-56-3)
- Oxazolo[5,4-b]pyridine (CAS 273-62-1)
- 3H-Oxazolo[3,4-c]pyrimidine (CAS 132104-33-7)
- 2H-Oxazolo[2,3-c][1,2,4]triazine (CAS 384851-48-3)
- Oxazolo[2,3,4-cd]pyrrolizine (CAS 163831-74-1)
- Oxazolo[3,2-a][1,3]diazepine (CAS 105066-62-4)
Recommended Standards
- Isoxazolo[5,4-d]pyrimidine (CAS 272-04-8)
- Isoxazolo[4,3-d]pyrimidine (CAS 272-58-2)
- Pyrimidine,2-isocyanate (CAS 72975-49-6)
- 3-Amino-N-(4-chlorobenzyl)-4-(trifluoromethyl)-6,7-dihydro-5H-cyclopenta[b]thieno[3,2-e]pyridine-2-carboxamide (CAS 626227-31-4)
- 2-{[3-cyano-4-(trifluoromethyl)-5H,6H,7H,8H,9H,10H-cycloocta[b]pyridin-2-yl]sulfanyl}-N-[(4-methylphenyl)methyl]acetamide (CAS 626228-81-7)
- Boc-Asp(OBzl)-OSu (CAS 13798-75-9)
- 4-((2-Methoxybenzyl)amino)butan-2-ol (CAS 1341870-62-9)
- Octahydro-1H-4,7-methanopyrazolo[3,4-d]pyridazine (CAS 507236-80-8)
- 2-(2,3-Difluoro-4-iodophenyl)[1,3]dioxolane (CAS 885590-98-7)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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 13829788188 / jacky.chen@cato-chem.com