4-Ethyl-3-nitrobenzaldehyde CAS 4748-80-5
| CAS No. | 4748-80-5 |
| Molecular Formula | C9H9NO3 |
| Molecular Weight | 179.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9NO3, 4-Ethyl-3-nitrobenzaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Ethyl-3-nitrobenzaldehyde (CAS 4748-80-5) is a high-purity analytical reference standard with the molecular formula C9H9NO3 and a molecular weight of 179.17 g/mol.
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), 4-Ethyl-3-nitrobenzaldehyde 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 | C9H9NO3 |
| Molecular Weight | 179.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- (E)-2-nitrobenzaldehyde oxime (CAS 4836-00-4)
- 3-Acetyl-5-nitrobenzaldehyde (CAS 1393562-14-5)
- 4-Acetyl-2-nitrobenzaldehyde (CAS 933443-35-7)
- 2-Methyl-6-nitrobenzaldehyde (CAS 107096-52-6)
- 3-Methyl-5-nitrobenzaldehyde (CAS 107757-06-2)
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- 3-Methyl-4-nitrobenzaldehyde (CAS 18515-67-8)
- 2-Methyl-3-nitrobenzaldehyde (CAS 23876-12-2)
Recommended Standards
- 4-Ethoxypyridine-2,6-dicarbaldehyde (CAS 204005-18-5)
- 4-Ethyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 80709-74-6)
- 4-Carbamoyl-2-methylbenzoic acid (CAS 99357-97-8)
- 4-Hydroxy-3,5-dimethoxybenzonitrile (CAS 72684-95-8)
- 6-(Benzo[b]thiophen-2-yl)-1H-indazole (CAS 885272-15-1)
- 3',6'-Dihydroxy-N-(6-hydroxyhexyl)-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxamide (CAS 869889-37-2)
- 3-Ethoxy-4-(naphthalen-1-ylmethoxy)benzoic acid (CAS 938341-81-2)
- Abemaciclib Impurity 153 (CAS CATO-C4X-2937153)
- trans-2-(4-hydroxyphenyl)cyclopropane-1-carboxylic acid (CAS 731810-73-4)
- Ethyl 2-(4-((tert-butoxycarbonyl)amino)cyclohexylidene)acetate (CAS 2093293-75-3)
- (S)-2-Amino-N-isopropyl-N-((6-methoxypyridazin-3-yl)methyl)propanamide (CAS 1354020-69-1)
- 2-((3-Nitrobenzyl)thio)-9H-purin-6-ol (CAS 15870-55-0)
- N-cyclopropyl-1,7,7-trimethylbicyclo[2.2.1]Heptan-2-amine (CAS 1218044-68-8)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
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