Methyl 2-(6-Nitro-3-indolyl)-2-oxoacetate CAS 133053-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133053-91-5 |
| Molecular Formula | C11H8N2O5 |
| Molecular Weight | 248.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-(6-Nitro-3-indolyl)-2-oxoacetate (CAS 133053-91-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8N2O5. Molecular weight: 248.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8N2O5 |
| Molecular Weight | 248.19 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 3-Nitro-1-[(4-nitrophenyl)methyl]-1h-pyrazole (CAS 1006499-87-1)
- 3-Nitro-1-[(3-nitrophenyl)methyl]-1h-pyrazole (CAS 1240566-93-1)
- 4-Nitro-1-[(3-nitrophenyl)methyl]-1h-pyrazole (CAS 1240569-46-3)
- Methyl 6-nitro-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 16133-46-3)
- Methyl 2-(5-Nitro-3-indolyl)-2-oxoacetate (CAS 163160-57-4)
- Methyl 3-nitro-4-(1H-1,2,4-triazol-1-yl)-benzenecarboxylate (CAS 167626-49-5)
- 5-Nitro-2-(m-tolyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1707582-65-7)
- Methyl 2-(7-Nitro-3-indolyl)-2-oxoacetate (CAS 1778510-76-1)
Recommended Standards
- 5-(1,3-Dioxaindan-5-yloxy)furan-2-carboxylic acid (CAS 1263212-96-9)
- Methyl 4-hydroxy-6-nitroquinoline-2-carboxylate (CAS 1373835-07-4)
- 4-Methyl-2-(4-nitrophenyl)oxazole-5-carboxylic acid (CAS 1243440-61-0)
- 8-Benzyl-3-oxa-8-azabicyclo[3.2.1]octane (CAS 1187087-20-2)
- 4-Chloro-6-methoxycinnoline-3-carbonitrile (CAS 1239784-36-1)
- 1-(2,2-Difluoroethyl)piperidin-3-one (CAS 150-85-7)
- 6,7-Dihydro-5H-pyrrolo[1,2-a]imidazole (CAS 59646-16-1)
- 4-(Allylamino)-4-oxobutanoic acid (CAS 16606-43-2)
- 2-(5-Amino-3-ethyl-4-(methylsulfonyl)-1H-pyrazol-1-yl)ethanol (CAS 1708436-67-2)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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