Pyrimido[4,5-d]pyrimidin-4(3H)-one CAS 7403-26-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7403-26-1 |
| Molecular Formula | C6H12N4O |
| Molecular Weight | 156.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 7403-26-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H12N4O. Molecular weight: 156.19 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H12N4O |
| Molecular Weight | 156.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 4 |
Related Pyrimido Standards
- Pyrimido[5,4-c]pyridazin-8-amine (CAS 20865-33-2)
- Pyrimido[4,5-c]pyridazine-5,7(1H,6H)-dione (CAS 20886-77-5)
- 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)
- Pyrimido[5,4-d]pyrimidin-4-ol (CAS 28285-65-6)
Recommended Standards
- N1,N1,N5,N5-tetramethyl-1H-tetrazole-1,5-diamine (CAS 338417-31-5)
- Methenamine Impurity 2 (CAS 62190-92-5)
- N,1-Dimethyl-2-oxoimidazolidine-4-carboximidamide (CAS 791035-85-3)
- Paeonol (CAS 552-41-0)
- n-(1-Ethyl-1h-imidazol-5-yl)methanesulfonamide (CAS 1485300-16-0)
- Opicapone impurity 32 (CAS CATO-C4X-240432)
- 3,5-Dichloro-4-(methoxymethyl)pyridine (CAS 2379321-54-5)
- 1,2-Bis(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 896620-18-1)
- 1-(2-Bromoethyl)-4-methylpiperazinedihydrobromide (CAS 801152-34-1)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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