4-(Methylamino)benzenesulfonic acid CAS 24447-99-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24447-99-2 |
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Methylamino)benzenesulfonic acid (CAS 24447-99-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H9NO3S. Molecular weight: 187.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1963 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylamino Standards
- 2-(Methylamino)benzenesulfonic acid (CAS 70916-29-9)
- 2-(Methylamino)pyridine-3-sulfonamide (CAS 70661-79-9)
- Methyl 2-(methylamino)-2-(tetrahydro-2h-pyran-4-yl)acetate (CAS 1250825-67-2)
- Methyl 2-(methylamino)-2-(tetrahydro-2H-pyran-3-yl)acetate (CAS 1342486-10-5)
- 4-(Methylamino)quinazoline-6-carbaldehyde (CAS 648449-04-1)
- 2-(Methylamino)naphthalene-1,4-dione (CAS 14423-00-8)
- 4-(Methylamino)naphthalene-1,2-dione (CAS 57404-51-0)
- 2-Butyl-5-(methylamino)-1,2,4-thiadiazol-3(2H)-one (CAS 1365940-70-0)
Recommended Standards
- 4-(Aminomethyl)benzenesulfonic acid (CAS 2393-24-0)
- 4,6-Dimethylpyridine-3-sulfonic acid (CAS 39112-92-0)
- 4-(1,2,3-Thiadiazol-4-yl)benzonitrile (CAS 82894-99-3)
- 3,3,3-Trifluoro-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)propanamide (CAS 1705842-55-2)
- 5-Amino-1-(2-hydroxypropyl)pyridin-2(1h)-one (CAS 1494042-92-0)
- Trimethyl(5-methylfuran-2-yl)germane (CAS 103806-04-8)
- 2-(3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)acetonitrile (CAS 1365962-13-5)
- 5-chloro-8-fluoro-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 2096987-07-2)
- Paclitaxel EP Impurity R (CAS 158948-96-0)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com