1H-Purin-6(5H)-one CAS 28634-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28634-91-5 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1H-Purin-6(5H)-one (CAS 28634-91-5) pharmaceutical standards reference standard. Molecular formula: C5H4N4O. Molecular weight: 136.11 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 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.) | 1965 |
| Nitrogen Atoms | 4 |
Related H Standards
Recommended Standards
- 1H-Imidazo[4,5-d]pyridazin-7(6H)-one (CAS 28682-94-2)
- 1H-Imidazo[4,5-b]pyrazin-5-ol (CAS 856345-70-5)
- 1H-Pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140305-63-9)
- N-Fmoc-3-(4-pyridyl)-L-alanine (CAS 169555-95-7)
- (4-Isopropylbenzyl)(pyridin-4-ylmethyl)amine (CAS 883534-29-0)
- 2-(3-(Methylcarbamoyl)-6-oxo-5,6-dihydropyridazin-1(4H)-yl)acetic acid (CAS 1707735-46-3)
- methyl (2R)-2-(benzyloxycarbonylamino)-2-(oxetan-3-yl)acetate (CAS 1213783-61-9)
- 1H-Isoxazolo[5,4-g]indazole (CAS 173894-82-1)
- 2,6-Dimethyl-3,5-Diethoxycarbonyl-4-(O-Difluoromethylsulfonylphenyl)-1,4-Dihydropyridine (CAS 84761-75-1)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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