2-[2-Oxo-3-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-propylsulfanyl]-benzoic acid CAS 721406-44-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 721406-44-6 |
| Molecular Formula | C21H21NO3S |
| Molecular Weight | 367.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[2-Oxo-3-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-propylsulfanyl]-benzoic acid (CAS 721406-44-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H21NO3S. Molecular weight: 367.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H21NO3S |
| Molecular Weight | 367.46 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 1,3,3-Trimethyl-2',5'-diphenyl-2',4'-dihydrospiro[indoline-2,3'-pyrazole] (CAS 72619-75-1)
- 23838-17-7 7-[[ -3,7,11-Trimethyl-2,6,10-dodecatrienyl]oxy]-2H-1-benzopyran-2-one (CAS 23838-17-7)
- 1-[1-[2-Oxo-2-(1,2,5-trimethyl-3-pyrrolyl)ethyl]-4-piperidinyl]-1H-benzo[d]imidazol-2(3H)-one (CAS 924108-75-8)
- 4-(6-Acetyl-1,3,7-trimethyl-2,4-dioxo-1,2,3,4,5,8-hexahydropyrido[2,3-d]pyrimidin-5-yl)benzoic acid (CAS 848029-08-3)
- 1,1,2-Trimethyl-1H-benzo[e]indole-6,8-disulfonic acid (CAS 176978-81-7)
- 2,2,4-Trimethyl-1,2-dihydroquinolin-6-ylbiphenyl-4-carboxylate (CAS 305811-90-9)
- 4,4,6-Trimethyl-1,2-dioxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl 3-fluorobenzoate (CAS 727664-64-4)
- 2,2'-[(1,1,3-Trimethyl-1,3-propanediyl)bis(oxy)]bis[4,4,6-trimethyl-1,3,2-dioxaborinane] (CAS 100-89-0)
Recommended Standards
- 2-(3,5-Dimethylphenoxy)-3-methanesulfonyl-4-methyl-6-phenylpyridine (CAS 477845-40-2)
- 2-{[5-(4-tert-Butylphenyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 312522-54-6)
- 2-(2,3-Dimethylphenoxy)-3-methanesulfonyl-4-methyl-6-phenylpyridine (CAS 477845-41-3)
- 4-(4-Bromophenyl)oxane-2,6-dione (CAS 1137-61-7)
- Ethyl 2-(3-bromo-5-cyano-4-(difluoromethyl)phenyl)acetate (CAS 1807117-00-5)
- Ethyl 8-aminoquinoline-3-carboxylate (CAS 190138-00-2)
- Suvorexant Impurity 5 (CAS 2762965-04-6)
- 3-Methyl-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 1289104-89-7)
- Azalomycin F4 (CAS 81545-42-8)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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