1H-Pyrazolo[3,4-d]pyrimidin-4(2H)-one CAS 73334-58-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73334-58-4 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrazolo[3,4-d]pyrimidin-4(2H)-one (CAS 73334-58-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H4N4O. Molecular weight: 136.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazolo[3,4-b]pyrazin-3(2H)-one (CAS 116056-01-0)
- 3H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 161746-79-8)
- 1H-Pyrazolo[4,3-d]pyrimidin-7(7aH)-one (CAS 179042-24-1)
- 2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 1797409-86-9)
- 1H-Pyrazolo[3,4-d]pyrimidin-4(7H)-one (CAS 180749-06-8)
- 1H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-08-0)
- 2H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-09-1)
- 1H-Pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140305-63-9)
Recommended Standards
- 1H-Pyrazolo[3,4-d]pyrimidin-3(2H)-one (CAS 90993-87-6)
- 2-(Furan-2-yl)-1,3,4-oxadiazole (CAS 23571-76-8)
- 1H-Pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 69792-71-8)
- Thiazol-2-yl(4-(trifluoromethyl)phenyl)methanone (CAS 147878-71-5)
- 1-{4,5-dimethyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethan-1-one (CAS 1787868-17-0)
- 3-(5-Cyano-2-{[3-(trifluoromethyl)phenyl]sulfanyl}phenyl)-1-phenylurea (CAS 478249-42-2)
- 2-(3,4-Difluorophenoxy)-3,3,3-trifluoropropan-1-amine (CAS 886764-15-4)
- S-(4-Fluorophenyl) ethanethioate (CAS 42467-05-0)
- 1-Bromo-3-(tert-butyl)-5-fluorobenzene (CAS 1123172-38-2)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
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