2-Amino-3-methylbenzenesulfonamide CAS 71503-16-7
| CAS No. | 71503-16-7 |
| Molecular Formula | C7H10N2O2S |
| Molecular Weight | 186.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H10N2O2S, 2-Amino-3-methylbenzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.23 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.
2-Amino-3-methylbenzenesulfonamide (CAS 71503-16-7), molecular formula C7H10N2O2S and molecular weight 186.23 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-Amino-3-methylbenzenesulfonamide 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 | C7H10N2O2S |
| Molecular Weight | 186.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-5-methylbenzenesulfonamide (CAS 1017448-52-0)
- 3-Amino-2-methylbenzenesulfonamide (CAS 1036585-24-6)
- 2-Amino-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 1175968-41-8)
- Methyl 2-amino-3-(thiazol-4-yl)propanoate (CAS 119357-61-8)
- 5-Amino-1-methyl-3-(methylsulfanyl)-1h-pyrazole-4-carboxamide (CAS 1196151-97-9)
- 5-Amino-6-(methylamino)-2-(methylthio)pyrimidin-4(3H)-one (CAS 120270-24-8)
- 4-Amino-2,4-dihydro-5-(tetrahydro-3-furanyl)-3H-1,2,4-triazole-3-thione (CAS 1249743-71-2)
- 2-Amino-4-isopropylthiazole-5-carboxylic acid (CAS 1267628-47-6)
Recommended Standards
- 2,6-Dimethylbenzenesulfonic acid (CAS 25241-15-0)
- 2-Amino-4-methylbenzenesulfonamide (CAS 609-63-2)
- 2,3-Dimethylbenzenesulfonic acid (CAS 25241-16-1)
- 2-Amino-5-(propan-2-yl)-1,3-thiazole-4-carboxylic acid (CAS 288149-79-1)
- 4-(2,2-Difluorocyclopropyl)piperidine hydrochloride (CAS 2097991-05-2)
- Gemcitabine Impurity 11 (CAS 143157-25-9)
- 6,7-Dimethoxynaphth-1-yl Trifluoromethanesulfonate (CAS 168643-48-9)
- 2-Acetyl-4-ethylcyclohexan-1-one (CAS 117960-59-5)
- 6-Dimethylaminopurine-9-riboside (CAS 2620-62-4)
- 4,6-Dimethoxy-5-methyl-1H-indole-2-carboxylic acid (CAS 900640-36-0)
- (r)-2-Amino-2-(4-(methylthio)phenyl)ethan-1-ol (CAS 1213889-15-6)
- 2-Bromo-6-chloro-3-(trifluoromethyl)acetophenone (CAS 1805018-17-0)
- Entecavir Impurity 44 (CAS 1354715-30-2)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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