Methyl 5-(Methylsulfonyl)-2-nitrobenzoate CAS 949033-22-1
| CAS No. | 949033-22-1 |
| Molecular Formula | C9H9NO6S |
| Molecular Weight | 259.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 5-(Methylsulfonyl)-2-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.
Methyl 5-(Methylsulfonyl)-2-nitrobenzoate (CAS 949033-22-1) is a high-purity analytical reference standard with the molecular formula C9H9NO6S and a molecular weight of 259.24 g/mol.
Structurally, Methyl 5-(Methylsulfonyl)-2-nitrobenzoate (C9H9NO6S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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 259.24 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H9NO6S |
| Molecular Weight | 259.24 g/mol |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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- 2-(4-(Methylsulfonyl)-2-nitrophenyl)acetic acid (CAS 929000-10-2)
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Recommended Standards
- Cefixime Impurity 78 (CAS CATO-C4X-113978)
- Methyl 2-(2-Nitrophenylsulfonyl)acetate (CAS 27489-28-7)
- Cefixime Impurity 9 (CAS 80544-17-8)
- Ethyl 5-cyano-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 98476-22-3)
- 3-(Prop-2-yn-1-yl)tetrahydrofuran-2-ol (CAS 1321861-62-4)
- 2-((tert-Butoxycarbonyl)(methyl)amino)-5-methylbenzoicacid (CAS 886362-46-5)
- N-(2-(1H-Pyrazol-3-yl)-1H-indol-4-yl)-3-methylbutanamide (CAS 827318-39-8)
- 1-(5-Bromopyridin-2-yl)cyclopropan-1-amine dihydrochloride (CAS 1384265-23-9)
- 4-(Thiophen-2-yl)piperidine-4-carboxylic acid (CAS 787524-72-5)
- N-(5-Chloropentyl)-N'-(2,4-difluorophenyl)urea (CAS 647824-96-2)
- 2-[2-(2-methylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one (CAS 749920-39-6)
- 3H,3'H-4,4'-Biimidazole (CAS 157255-75-9)
- H-3,5-Diiodo-Tyr-OMe · HCl (CAS 151266-48-7)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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