4-Amino-N-(3-methoxyphenyl)benzenesulfonamide CAS 19837-79-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19837-79-7 |
| Molecular Formula | C13H14N2O3S |
| Molecular Weight | 278.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-N-(3-methoxyphenyl)benzenesulfonamide (CAS 19837-79-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H14N2O3S. Molecular weight: 278.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H14N2O3S |
| Molecular Weight | 278.33 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Amino-N-(2-methoxyphenyl)benzene-1-sulfonamide (CAS 19837-84-4)
- 4-Amino-N-(4-methoxyphenyl)benzene-1-sulfonamide (CAS 19837-74-2)
- 4-[3-Ethyl-4-oxo-thiazolidin-(2Z)-ylideneamino]-benzoic acid methyl ester (CAS 591210-89-8)
- 3-[4-(chloromethyl)phenyl]oxetan-3-ol (CAS 2231294-32-7)
- 2-((4-Amino-5-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetic acid (CAS 573707-08-1)
- 2-Methoxy-5-(pyrrolidin-2-yl)pyridine (CAS 185510-44-5)
- 1-Methyl-4-(1-methyl-1H-pyrrol-2-yl)piperidin-4-ol (CAS 3388-03-2)
- Naphthalene-2,6-dithiol (CAS 96892-95-4)
- 1-Methyl-1H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 13114-11-9)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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