methyl 3-(4-methylbenzenesulfonamido)benzoate CAS 173436-66-3
| CAS No. | 173436-66-3 |
| Molecular Formula | C15H15NO4S |
| Molecular Weight | 305.35 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.
methyl 3-(4-methylbenzenesulfonamido)benzoate (CAS 173436-66-3), molecular formula C15H15NO4S and molecular weight 305.35 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, methyl 3-(4-methylbenzenesulfonamido)benzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 305.35 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.
As a certified reference material (CRM), methyl 3-(4-methylbenzenesulfonamido)benzoate 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 | C15H15NO4S |
| Molecular Weight | 305.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related methyl Standards
- Methyl 4-(4-methylbenzenesulfonamido)benzoate (CAS 158038-67-6)
- 2-(4-Methylbenzenesulfonamido)-4-(methylsulfanyl)butanoic acid (CAS 4703-33-7)
- 2-[1-(4-Methylbenzenesulfonamido)cyclohexyl]acetic acid (CAS 777894-37-8)
- 2-[2-(4-methylbenzenesulfonamido)-1,3-thiazol-4-yl]acetic acid (CAS 376638-03-8)
- 3-(4-Methylbenzenesulfonamido)thiophene-2-carboxylic acid (CAS 926213-55-0)
- 2-(4-Methylbenzenesulfonamido)benzoic acid (CAS 6311-23-5)
- 3-(4-Methylbenzenesulfonamido)benzoic acid (CAS 37028-84-5)
- 2-[2-(4-methylbenzenesulfonamido)acetamido]acetic acid (CAS 4703-34-8)
Recommended Standards
- 4-(n,4-Dimethylphenylsulfonamido)benzoic acid (CAS 16879-68-8)
- N-(Furan-2-ylmethyl)-2-oxo-N-(thiophen-3-ylmethyl)imidazolidine-1-carboxamide (CAS 1797971-53-9)
- N-(Ethyldiphenylphosphoranylidene)aniline (CAS 17985-99-8)
- N-Phenyl-N-(phenylsulfonyl)-D-alanine (CAS 1562417-33-7)
- (2S,3R,4S,5R,6R)-2-(allyloxy)-6-((benzoyloxy)methyl)-4-hydroxytetrahydro-2H-pyran-3,5-diyl dibenzoate (CAS 1367797-62-3)
- 5-(Difluoromethyl)-2,3-difluoropyridine (CAS 1804659-36-6)
- 7-Bromoquinoline-8-thiol (CAS 20738-25-4)
- 4-methoxy-3-[(6-methylpyridazin-3-yl)oxy]aniline (CAS 1306395-61-8)
- 2-Chloro-N-(4-phenoxyphenyl)acetamide (CAS 36160-84-6)
- 2,2,2-Trifluoroethyl n-[3-(5-methyl-1h-pyrazol-4-yl)propyl]carbamate hydrochloride (CAS 1397062-20-2)
- 2-(5-(1-Aminoethyl)-4H-1,2,4-triazol-3-yl)acetic acid dihydrochloride (CAS 1638221-37-0)
- Ethyl 4-(isopropylamino)-3-nitrobenzoate (CAS 1187570-88-2)
- Milnacipran impound 35 (CAS 105310-24-5)
- Delta-Sleep Inducing Peptide (CAS 62568-57-4)
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