Ethyl 3-methyl-5-nitrobenzoate CAS 1156940-96-3
| CAS No. | 1156940-96-3 |
| Molecular Formula | C9H5F3N2O |
| Molecular Weight | 214.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 3-methyl-5-nitrobenzoate.
CATO supplies Ethyl 3-methyl-5-nitrobenzoate (CAS 1156940-96-3), a certified reference material (molecular formula C9H5F3N2O, MW 214.14 g/mol) for analytical method development and quality control.
Structurally, Ethyl 3-methyl-5-nitrobenzoate (C9H5F3N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 214.14 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Ethyl 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 | C9H5F3N2O |
| Molecular Weight | 214.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 3,4,5-Trifluorobenzene-1-sulfonyl fluoride (CAS 115561-02-9)
- 4-(Trifluoromethyl)-5-azaindole-3-carboxaldehyde (CAS 1190309-96-6)
- 5-(Trifluoromethyl)-2H-indazole-7-carbaldehyde (CAS 1100212-67-6)
- 6-(Trifluoromethyl)-1h-pyrrolo[3,2-b]pyridine-3-carbaldehyde (CAS 1190311-65-9)
- 2,2'-(Oxybis(methylene))bis(1H-benzo[d]imidazole) (CAS 94665-42-6)
- (2r,5s)-1-(((9h-Fluoren-9-yl)methoxy)carbonyl)-5-phenylpyrrolidine-2-carboxylic acid (CAS 269078-69-5)
- Tert-butyl 5-phenyl-1,4-diazepane-1-carboxylate (CAS 941712-23-8)
- Linamarin (CAS 554-35-8)
- 3-Hydroxy-5-nitro-N-phenylbenzamide (CAS 861528-93-0)
- 4-(4-Thiomorpholinyl)benzonitrile (CAS 90254-21-0)
- Methyl 2-(2,4-dichlorobenzamido)-5-((2-ethoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 505095-81-8)
- 2-{[2-(4-chlorophenoxy)ethoxy]methyl}oxirane (CAS 540760-62-1)
- 4-Fluoro-N-isobutylbenzo[d]isoxazol-3-amine (CAS 1344701-84-3)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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