Pyrimido[5,4-c]pyridazin-8(5H)-one CAS 21147-71-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21147-71-7 |
| Molecular Formula | C6H4N4O |
| Molecular Weight | 148.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrimido[5,4-c]pyridazin-8(5H)-one (CAS 21147-71-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4N4O. Molecular weight: 148.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1963 |
| 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-d]pyrimidin-2(1H)-one (CAS 28285-66-7)
- 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
- Pyrazino[2,3-d]pyridazin-5(6H)-one (CAS 22121-00-2)
- 81202-00-8 L-(5-~13~C)Glutamic acid DTXSID00718658 (CAS 81202-00-8)
- Pteridin-7(8H)-one (CAS 2432-27-1)
- (3-((4-Ethylpiperazin-1-yl)methyl)-4-fluorophenyl)boronic acid (CAS 1704063-94-4)
- 2-Amino-3-(difluoromethyl)-5-methylisonicotinic acid (CAS 1805996-12-6)
- 3-Carboxy-6-hydroxycoumarin (CAS 56437-16-2)
- 6-Bromo-7-(chloromethyl)-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 87779-05-3)
- (R)-Ethyl 5-amino-3-hydroxypentanoate (CAS 182955-76-6)
- 3-((4-Chlorobenzyl)thio)-1,2,4-thiadiazol-5-amine (CAS 519044-86-1)
- Peptide Impurity 26 (CAS 1350456-66-4)
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