4-(5-Tert-butyl-2-methylbenzenesulfonamido)benzoic acid CAS 380342-90-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 380342-90-5 |
| Molecular Formula | C18H21NO4S |
| Molecular Weight | 347.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(5-Tert-butyl-2-methylbenzenesulfonamido)benzoic acid (CAS 380342-90-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H21NO4S. Molecular weight: 347.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H21NO4S |
| Molecular Weight | 347.43 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-({[(4-tert-butylphenyl)sulfonyl]amino}methyl)benzoic acid (CAS 440350-92-5)
- 4-{N-[2-(cyclohexylimino)-4-methyl-2,3-dihydro-1,3-thiazol-3-yl]carboximidoyl}benzene-1,2,3-triol (CAS 509102-00-5)
- 4-((4-Methoxy-3-methylphenyl)sulfonyl)-2-phenylmorpholine (CAS 946292-10-0)
- 3-(4-Methyl-1-piperazinyl)cyclobutanamine (CAS 1213250-15-7)
- 4-Bromo-2-(ethylsulfanyl)benzaldehyde (CAS 1342646-67-6)
- Tirofiban Impurity 99 (CAS CATO-C4X-125499)
- (R)-AntPhos (CAS 1456816-37-7)
- (1R,4S)-rel-4-(4-Bromophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine Hydrochloride 79836-56-9 CP-53631 trans-( inverted exclamation markA)-4-(4-Bromophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine Hydrochloride trans-4-(4-Bromophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine Hydrochloride (CAS 79836-56-9)
- 26982-21-8 poly-l-ornithine hydrochloride (CAS 26982-21-8)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
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