(2R)-2-Ethyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid CAS 1932671-26-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1932671-26-5 |
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(2R)-2-Ethyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid (CAS 1932671-26-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12N2O3. Molecular weight: 220.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Recommended Standards
- [1,1'-Biphenyl]-2,2',3,3'-tetraol (CAS 19261-03-1)
- 2-(2,3-dihydro-1H-inden-1-yl)propanedioic acid (CAS 195071-06-8)
- 7,8-Dihydroxy-4-propyl-2h-chromen-2-one (CAS 19040-67-6)
- 1,3-Dichloro-2-difluoromethoxy-5-(trifluoromethoxy)benzene (CAS 1803806-84-9)
- Ethyl 3-[3-(benzyloxy)phenyl]-2-cyanobut-2-enoate (CAS 885266-49-9)
- Isopropyl (3-methylbenzofuran-2-yl)carbamate (CAS 61307-29-7)
- Ethyl 3-methyl-4-(4-nitrophenyl)-4-oxobutanoate (CAS 1956355-57-9)
- 1-Methyl-3,5-bis(trifluoromethyl)benzene (CAS 75462-61-2)
- 6-Hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid (CAS 53188-07-1)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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