Isoquinoline-5,8-dione CAS 50-46-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 50-46-4 |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Isoquinoline-5,8-dione (CAS 50-46-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5NO2. Molecular weight: 159.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Isoquinoline Standards
Recommended Standards
- Isobenzofuro[5,6-d]isoxazole (CAS 267-37-8)
- Isoxazolo[5,4-b]pyridine-3-acetonitrile (CAS 58035-53-3)
- Isobenzofuro[5,4-d]oxazole (CAS 214489-59-5)
- (4R,5S)-Methyl 3-benzyl-4-(((tert-butyldimethylsilyl)oxy)methyl)-5-isopropyloxazolidine-4-carboxylate (CAS 145451-93-0)
- 2,6-Dimethyl-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-4H-pyran-4-one (CAS 61820-57-3)
- (1R)-3,3'-Bis(4-chlorophenyl)[1,1'-binaphthalene]-2,2'-diol (CAS 851615-05-9)
- 1-(2-Bromo-4-fluorophenyl)cyclopropan-1-ol (CAS 1248951-59-8)
- Methyl 7-chloro-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 5347-19-3)
- 2-((((1-Propyl-1H-pyrazol-5-yl)methyl)amino)methyl)benzoic acid hydrochloride (CAS 1856056-23-9)
- Palmitoyl Tripeptide-1 HCl (CAS 2757690-14-3)
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