Pyrimido[5,4-d]pyrimidin-4-ol CAS 28285-65-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28285-65-6 |
| Molecular Formula | C6H4N4O |
| Molecular Weight | 148.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Pyrimido[5,4-d]pyrimidin-4-ol (CAS 28285-65-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H4N4O. Molecular weight: 148.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H4N4O |
| Molecular Weight | 148.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 4 |
Related Pyrimido Standards
- Pyrimido[4,5-d]pyrimidin-2(1H)-one (CAS 120614-17-7)
- Pyrimido[4,5-c]pyridazin-5(6H)-one (CAS 34122-01-5)
- Pyrimido[4,5-d]pyridazin-4(1H)-one (CAS 21579-42-0)
- Pyrimido[5,4-c]pyridazin-8(5H)-one (CAS 21147-71-7)
- Pyrimido[5,4-d]pyrimidin-2(1H)-one (CAS 28285-66-7)
- 2H-Pyrimido[1,2-a]pyrimidin-2-one (CAS 744255-46-7)
- 2H-Pyrimido[1,2-b]pyridazin-2-one (CAS 30247-55-3)
- Pyrimido[5,4-c]pyridazin-8-amine (CAS 20865-33-2)
Recommended Standards
- 81202-00-8 L-(5-~13~C)Glutamic acid DTXSID00718658 (CAS 81202-00-8)
- 95388-01-5 (5-~13~C)Glutamic acid DTXSID20583941 (CAS 95388-01-5)
- 1-Nitroso-1H-benzotriazole (CAS 23351-96-4)
- 3-[2-(4-Methyl-piperidin-1-yl)-ethoxy]-benzoic acid hydrochloride (CAS 1185301-42-1)
- Propamidine Monoamide Isethionate (CAS 1391051-87-8)
- 5-(3-methylphenoxy)pyridine-2-carboxylic acid (CAS 1508584-57-3)
- (3S,5s)-1,1-difluorospiro[2.3]Hexane-5-carboxylic acid (CAS 1773508-79-4)
- 2-(4-Iodo-1-isobutyl-1H-pyrazol-3-yl)acetic acid (CAS 1798775-86-6)
- 4-(3-Bromo-4-chlorophenyl)butanoic acid (CAS 1532077-82-9)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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)
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