Pyrimido[4,5-d]pyridazine CAS 253-88-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 253-88-3 |
| Molecular Formula | C6H4N4 |
| Molecular Weight | 132.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pyrimido[4,5-d]pyridazine (CAS 253-88-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H4N4. Molecular weight: 132.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H4N4 |
| Molecular Weight | 132.12 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.) | 1957 |
| Nitrogen Atoms | 4 |
Related Pyrimido Standards
- Pyrimido[4,5-c]pyridazine (CAS 254-62-6)
- Pyrimido[4,5-d]pyrimidine (CAS 254-64-8)
- Pyrimido[5,4-c]pyridazine (CAS 6133-46-6)
- Pyrimido[5,4-d]pyrimidine (CAS 254-82-0)
- Pyrimido[4,5-d][1,2,3]triazine (CAS 6133-64-8)
- Pyrimido[5,4-d][1,2,3]triazine (CAS 254-83-1)
- Pyrimido[5,4-e][1,2,4]triazine (CAS 254-99-9)
- 2H-Pyrimido[1,2-a]pyrimidin-2-one (CAS 744255-46-7)
Recommended Standards
- Pyrido[2,3-e][1,2,4]triazine (CAS 254-97-7)
- Pteridine (CAS 91-18-9)
- Picolinoyl cyanide (CAS 87838-53-7)
- syn-7-Hydroxynorbornene (CAS 13118-70-2)
- Ethyl 6-Bromopyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1027511-41-6)
- Methyl 2-amino-3-(2,5-dioxopyrrolidin-1-yl)-2-methylpropanoate (CAS 1250638-66-4)
- (3,4-Difluorophenyl)(phenyl)methanol (CAS 182192-93-4)
- Dimethyl 3,6-dibromopyrazine-2,5-dicarboxylate (CAS 2385406-66-4)
- 211108-50-8 4-Boc-Piperidinone,3-fluoro;3-Fluoro-4-boc- Piperidinone;tert-Butyl 3-fluoro-4-oxopiperidin-1-carboxylate;3-Fluoro-4-oxopiperidine-1-carboxylic acid tert-butyl ester;N-t-BOC-5-Fluoropiperidin-4-one A26037 tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate (CAS 211108-50-8)
- Acetyl decapeptide-3 (CAS 935288-50-9)
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