Methyl 2-acetamido-3-methyl-5-nitrobenzoate CAS 632291-68-0
| CAS No. | 632291-68-0 |
| Molecular Formula | C11H12N2O5 |
| Molecular Weight | 252.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-acetamido-3-methyl-5-nitrobenzoate (CAS 632291-68-0) is a high-purity analytical reference standard with the molecular formula C11H12N2O5 and a molecular weight of 252.22 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Methyl 2-acetamido-3-methyl-5-nitrobenzoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 252.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 2-acetamido-3-methyl-5-nitrobenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O5 |
| Molecular Weight | 252.22 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.) | 1985 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 3-Acetamido-3-(4-nitrophenyl)propanoic acid (CAS 100061-23-2)
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- 7-Acetamido-8-nitro-3,4-Dihydro-2H-1,5-benzodioxepine (CAS 81864-61-1)
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Recommended Standards
- Ethyl 6-nitro-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 68281-45-8)
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- 1-(1H-Benzo[d]imidazol-5-yl)urea (CAS 72550-36-8)
- Ethyl (2s)-2-chloropropanoate (CAS 74497-15-7)
- 3-[(2-Hydroxyphenyl)amino]-1-(3-nitrophenyl)propan-1-one (CAS 36946-00-6)
- 2-cyclopropylfuran-3-carboxylic acid (CAS 1803589-51-6)
- (1S,2R)-2-methoxycyclopentan-1-amine (CAS 1932461-15-8)
- 4-Chloropyrimidin-5-ol (CAS 1261536-41-7)
- Omadacycline impurity 18 (CAS CATO-C4X-285718)
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