3-(Methylsulphonylamino)phenylacetic Acid CAS 407640-21-5
| CAS No. | 407640-21-5 |
| Molecular Formula | C9H11NO4S |
| Molecular Weight | 229.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(Methylsulphonylamino)phenylacetic Acid.
3-(Methylsulphonylamino)phenylacetic Acid (CAS 407640-21-5), molecular formula C9H11NO4S and molecular weight 229.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(Methylsulphonylamino)phenylacetic Acid (C9H11NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 229.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(Methylsulphonylamino)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 | C9H11NO4S |
| Molecular Weight | 229.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-(anilinosulfonyl)propanoic acid (CAS 61759-00-0)
- 3-(N,N-Dimethylsulfamoyl)benzoic acid (CAS 7326-73-0)
- 3-(4-Sulfamoylphenyl)propanoic acid (CAS 90610-69-8)
- 3-(Phenylsulfonamido)propanoic acid (CAS 31867-78-4)
- 3-(Azepan-2-ylmethyl)-N-isopropylbenzo[b]thiophene-2-carboxamide hydrochloride (CAS 1361113-72-5)
- Nickel(II) sulfate hexahydrate heptahydrate (CAS 15244-37-8)
- 3-(3-Chloropyridin-4-yl)-2-hydroxypropanoic acid (CAS 1465434-18-7)
- 5-Methyl-3-[4-(trifluoromethyl)phenyl]isoxazole-4-carboxylic Acid (CAS 943130-82-3)
- N,N'-([2,2'-Bipyridine]-6,6'-diyl)bis(4-(tert-butyl)benzamide) (CAS 192193-79-6)
- 2-((3-Chlorophenyl)thio)-1-(2-methylimidazo[1,2-a]pyridin-3-yl)ethan-1-one (CAS 478029-70-8)
- Ethyl 2-amino-3-chloro-5-fluorobenzoate (CAS 1179055-07-2)
- N-(4-(Fluoromethyl)-5-(2-(1,1,1-trifluoro-2-methyl-propan-2-yl)pyridin-4-yl)thiazol-2-yl)acetamide (CAS 1217486-95-7)
- 4-((2,4-Difluorophenoxy)methyl)piperidine hydrochloride (CAS 614731-39-4)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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