Pyrimido[5,4-d]pyrimidin-2(1H)-one CAS 28285-66-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28285-66-7 |
| Molecular Formula | C6H4N4O |
| Molecular Weight | 148.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrimido[5,4-d]pyrimidin-2(1H)-one (CAS 28285-66-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4N4O. Molecular weight: 148.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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-4-ol (CAS 28285-65-6)
- 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)
- Pyrazino[2,3-d]pyridazin-5(6H)-one (CAS 22121-00-2)
- 6,7-Difluorobenzoxazol-2(3H)-one (CAS 509147-86-8)
- (1R,3r)-3-(4-fluorophenyl)cyclobutan-1-ol (CAS 143589-45-1)
- 1-(2,6-Diaminopyridin-3-yl)ethanone (CAS 1393554-95-4)
- 4-(4-Chlorophenoxy)phenylboronic Acid (CAS 1035491-05-4)
- 4-Propyloxybenzoyl chloride 4-propoxybenzoyl chloride 40782-58-9 (CAS 40782-58-9)
- N-(5-bromopyridin-3-yl)cyclopropanesulfonamide (CAS 1083326-19-5)
- semaglutide (CAS 782487-28-9)
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