2-Methyl-3-nitrobenzaldehyde CAS 23876-12-2
| CAS No. | 23876-12-2 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-Methyl-3-nitrobenzaldehyde (CAS 23876-12-2) is a high-purity analytical reference standard with the molecular formula C8H7NO3 and a molecular weight of 165.15 g/mol.
Structurally, 2-Methyl-3-nitrobenzaldehyde (C8H7NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 165.15 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Methyl-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 | C8H7NO3 |
| Molecular Weight | 165.15 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.) | 1963 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-Methyl-6-nitrobenzaldehyde (CAS 107096-52-6)
- 3-Methyl-5-nitrobenzaldehyde (CAS 107757-06-2)
- 2-Methyl-5-nitrobenzaldehyde (CAS 16634-91-6)
- 3-Methyl-4-nitrobenzaldehyde (CAS 18515-67-8)
- 2-Methyl-4-nitrobenzaldehyde (CAS 72005-84-6)
- 3-Methyl-2-nitrobenzaldehyde (CAS 5858-27-5)
- 4-Methyl-2-nitrobenzaldehyde (CAS 20357-22-6)
- 4-Methyl-3-nitrobenzaldehyde (CAS 31680-07-6)
Recommended Standards
- 2-Methyl-1H-pyrrolo[2,3-d]pyridazine-4,7-diol (CAS 91533-22-1)
- 2-Methoxy-9H-purin-6-amine (CAS 28128-30-5)
- 2-Methylimidazo[1,2-a]pyrazine-3,8-diol (CAS 572910-67-9)
- 2-Hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 23520-34-5)
- N-(4-(2,5-Dichlorothiophen-3-yl)thiazol-2-yl)cyclopropanecarboxamide (CAS 392251-80-8)
- Benzyl 3-((2-aminoethyl)thio)pyrrolidine-1-carboxylate (CAS 1353983-48-8)
- 4-(4-Nitrophenyl)-2,6-diphenylpyridine (CAS 83993-82-2)
- methyl 3-(1-benzyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indole-5-carboxylate (CAS 1443979-96-1)
- 1,3-diethyl 2-(2-fluoro-4-nitrophenyl)-2-methylpropanedioate (CAS 88975-08-0)
- Polymyxin B1-I (CAS 811435-10-6)
- N-(5-Iodo-2-pyridinyl)thiourea (CAS 338748-96-2)
- 6-Chloro-5-methylindoline-2,3-dione (CAS 96187-75-6)
- 3-(2-Azidoethoxy)pyridine-2-carboxylic acid hydrochloride (CAS 2108834-58-6)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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