5-Methyl-2-(phenylsulfonamido)benzoic acid CAS 138964-56-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138964-56-4 |
| Molecular Formula | C14H13NO4S |
| Molecular Weight | 291.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-2-(phenylsulfonamido)benzoic acid (CAS 138964-56-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H13NO4S. Molecular weight: 291.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H13NO4S |
| Molecular Weight | 291.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 2-(phenylsulfonamido)benzoate (CAS 10038-81-0)
- Methyl 3-(Phenylsulfonamido)benzoate (CAS 107922-46-3)
- 2-Methyl-3-(phenylsulfonamido)benzoic acid (CAS 1355831-82-1)
- 2-Phenyl-2-(phenylsulfonamido)acetic acid (CAS 271599-72-5)
- 3-Methyl-4-(phenylsulfonamido)benzoic acid (CAS 926198-86-9)
- 4-Methyl-3-(phenylsulfonamido)benzoic acid (CAS 926267-61-0)
- (2-Methyl-5-(phenylsulfonamido)phenyl)boronic acid (CAS 1388265-58-4)
- (S)-2-(Phenylsulfonamido)pentanedioic acid (CAS 20531-36-6)
Recommended Standards
- cis-2-Acetyl-3a-fluoro-5-(pyridin-3-ylmethyl)hexahydro-1H-pyrrolo[3,4-c]pyridin-4(2H)-one (CAS 1426959-32-1)
- (2Z)-2-[(2-Fluorophenyl)methylidene]-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 1351509-64-2)
- cis-3a-Fluoro-5-methyl-2-(2-(pyridin-3-yl)acetyl)hexahydro-1H-pyrrolo[3,4-c]pyridin-4(2H)-one (CAS 1426959-33-2)
- 3-Bromo-N-(1-(thiophen-2-yl)ethyl)aniline (CAS 1019577-23-1)
- 2-(Trifluoromethyl)pyrimidine (CAS 116470-67-8)
- Glimepiride-d4 (CAS 1131981-29-7)
- 2-Bromo-N-methoxy-N,5-dimethylbenzamide (CAS 1048108-06-0)
- Myelin Oligodendrocyte Glycoprotein (35-55) (human) (CAS 163158-19-8)
- DTCOO26-2Br (CAS 1160823-81-3)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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