21905-86-2 548UJ2I0O2 Cinnoline-4-carboxylic acid EINECS 244-650-5 NSC 75570 UNII-548UJ2I0O2 CAS 21905-86-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21905-86-2 |
| Molecular Formula | C9H16N2O2 |
| Molecular Weight | 184.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 21905-86-2 548UJ2I0O2 Cinnoline-4-carboxylic acid EINECS 244-650-5 NSC 75570 UNII-548UJ2I0O2 (CAS 21905-86-2) pharmaceutical standards reference standard. Molecular formula: C9H16N2O2. Molecular weight: 184.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H16N2O2 |
| Molecular Weight | 184.24 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Trelagliptin Impurity 54 (CAS 389623-44-3)
- 2764-72-9 A9A615U4MP Diquat Diquat [ANSI:BSI:ISO] 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediylium Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- 9,10-Dihydro-8a,10a-diazoniaphenanthrene 9,10-Dihydro-8a,10a-diazoniaphenanthrene ion 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediium 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazine-5,8-di-ium Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- (8CI)(9CI) Diquat dication EINECS 220-433-0 1,1'-Ethylene-2,2'-bipyridyldylium ion 1,1'-Ethylene-2,2'-bipyridylium ion UNII-A9A615U4MP (CAS 2764-72-9)
- Tirofiban Impurity 63 (CAS 4916-57-8)
- methyl 5-methoxypyrimidine-2-carboxylate (CAS 1415800-40-6)
- 1-azido-4-chloro-2-(trifluoromethyl)benzene (CAS 1152586-17-8)
- 2-(4-Ethynylphenyl)-1,3-dioxolane (CAS 138853-09-5)
- 5-Chloro-1,4-dihydropyrimido[5,4-e][1,2,4]triazine (CAS 91115-01-4)
- 1-(1-(Tert-butoxycarbonyl)piperidin-3-yl)-5-methyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1334493-08-1)
- [2-Amino-1-(4-fluorophenyl)ethyl]dimethylamine (CAS 842954-71-6)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
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