(S)-2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid CAS 111524-98-2
| CAS No. | 111524-98-2 |
| Molecular Formula | C15H15NO4S |
| Molecular Weight | 305.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid (CAS 111524-98-2), molecular formula C15H15NO4S and molecular weight 305.35 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H15NO4S, (S)-2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 305.35 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.
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), (S)-2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid 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.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related S Standards
- 2-Methyl-5-[(2-methylphenyl)sulfamoyl]benzoic acid (CAS 104941-55-1)
- 4-Methyl-3-[(4-methylphenyl)sulfamoyl]benzoic acid (CAS 104941-65-3)
- 4-(5-{[(4-Methylphenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)butanoic acid (CAS 1142209-67-3)
- 2-((4-Methylphenyl)sulfonamido)-2-phenylacetic acid (CAS 92851-65-5)
- 2-{[(4-Methylphenyl)sulfonyl]amino}-2-phenylacetic acid (CAS 60712-47-2)
- 2-Methyl-3-((4-methylphenyl)sulfonamido)benzoic acid (CAS 830349-15-0)
- 2-Methyl-5-[(3-methylphenyl)sulfamoyl]benzoic acid (CAS 325721-06-0)
- 3-[methyl(4-methylphenyl)sulfamoyl]benzoic acid (CAS 379255-74-0)
Recommended Standards
- (S)-2-(Diphenylphosphino)-1-phenylethanamine (CAS 1103533-85-2)
- 1142201-25-9 8-(1,3-Benzothiazol-2-yl)-1-naphthoic acid (CAS 1142201-25-9)
- Methyl 3-(benzylsulfamoyl)benzoate (CAS 1095324-87-0)
- N-(2-acetylphenyl)-4-methoxybenzenesulfonamide (CAS 107506-24-1)
- 1-(difluoromethyl)-1H-indol-5-amine (CAS 1864828-30-7)
- tert-Butyl 3-amino-2-fluorobenzoate (CAS 1859635-95-2)
- 5-bromo-2-methylpyrrolo[2,1-f][1,2,4]triazine (CAS 1369127-52-5)
- 2-(1-Ethyl-1h-imidazol-2-yl)acetic acid (CAS 1260809-42-4)
- 1-(3,4-Dichlorophenyl)-N-((2-methylthiazol-4-yl)methyl)ethan-1-amine (CAS 879176-17-7)
- Urapidil Impurity 64 (CAS CATO-C4X-192464)
- (2,4-Dichlorophenyl)(thieno[2,3-b]quinolin-2-yl)methanone (CAS 478260-42-3)
- (S)-3-Amino-4-(2,4-dichlorophenyl)butanoic acid hydrochloride (CAS 331847-11-1)
- Norethindrone Impurity 6 (CAS 6424-05-1)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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