3-[(4-Aminophenyl)thio]-1-(5-methylisoxazol-3-yl)-pyrrolidine-2,5-dione CAS 931291-42-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 931291-42-8 |
| Molecular Formula | C14H13N3O3S |
| Molecular Weight | 303.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-[(4-Aminophenyl)thio]-1-(5-methylisoxazol-3-yl)-pyrrolidine-2,5-dione (CAS 931291-42-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H13N3O3S. Molecular weight: 303.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H13N3O3S |
| Molecular Weight | 303.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(4-(Benzo[d]oxazol-2-yl)-1H-pyrazol-1-yl)tetrahydrothiophene 1,1-dioxide (CAS 321571-61-3)
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- 4-Amino-N-(2-cyanoethyl)-N-(pyrimidin-2-yl)benzenesulfonamide (CAS 62643-50-9)
- 5-(4-Tert-butylphenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 175276-75-2)
- 1H,3H,4H-Pyrano[4,3-b]quinolin-10-amine (CAS 119738-17-9)
- N-Cyclopentyl-2-(4-ethylphenyl)quinolin-4-amine (CAS 853331-05-2)
- 3-Morpholine carboxylic acid (CAS 77873-76-8)
- 4-Methyl-3-(methylsulfanyl)aniline (CAS 98594-08-2)
- decahydropyrido[1,2-a][1,4]diazepine (CAS 71515-82-7)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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