(R)-Methyl 3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate CAS 1956435-51-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1956435-51-0 |
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-Methyl 3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 1956435-51-0) 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
- N,2,3-Trimethyl-4-oxo-4,5-dihydrofuro[3,2-c]pyridine-7-carboxamide (CAS 1956383-33-7)
- (S)-Methyl 3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 1956437-81-2)
- 2-(2,3-dihydro-1H-inden-1-yl)propanedioic acid (CAS 195071-06-8)
- 4-(2-Chloro-4-ethoxyphenyl)phenol (CAS 1261910-60-4)
- 1-(Piperidin-4-yl)-5-(trifluoromethyl)-1H-benzo[d][1,2,3]triazole hydrochloride (CAS 306935-37-5)
- N,N-Diphenyl-2-((5-(m-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332387-69-6)
- 6-Chloro-1-ethyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1443286-78-9)
- 8-Chloro-2,3,4,5-tetrahydro-1H-benzo[4,5]imidazo[1,2-d][1,4]diazepine (CAS 135875-11-5)
- Benzyl(m-tolyl)sulfane (CAS 5023-61-0)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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