4-Aminophenyl methanesulfonate CAS 24690-19-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24690-19-5 |
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Aminophenyl methanesulfonate (CAS 24690-19-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9NO3S. Molecular weight: 187.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1964 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Amino-3-methylbenzenesulfonic acid (CAS 98-33-9)
- 4-Hydroxy-2-methylbenzenesulfonamide (CAS 23202-51-9)
- 4,6-Dimethylpyrimidine-2-sulfonamide (CAS 35762-76-6)
- (3S,4R)-Methyl 4-phenylpyrrolidine-3-carboxylate (CAS 1145671-66-4)
- 4-Methyl-3-(piperidine-1-sulfonyl)benzoic acid (CAS 300383-07-7)
- 4-Chloro-2-(cyanomethyl)benzonitrile (CAS 76520-06-4)
- 4-(3-Methyl-5-(prop-1-en-1-yl)benzofuran-2-yl)phenol (CAS 41744-26-7)
- 5-Ethyl-11-oxo-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazoline-3-carboxamide (CAS 1574545-84-8)
- Tetrazine-Ph-NHCO-C3-NHS ester (CAS 1244040-64-9)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
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