Phenylthiohydantoin-tryptophan CAS 5789-24-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5789-24-2 |
| Molecular Formula | C11H12N2O2 C9H8N2OS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenylthiohydantoin-tryptophan (CAS 5789-24-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H12N2O2 C9H8N2OS. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H12N2O2 C9H8N2OS |
| Molecular Weight | 396.46 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Phenylthiohydantoin Standards
- Phenylthiohydantoin-glycine (CAS 2010-15-3)
- Phenylthiohydantoin-tyrosine (CAS 4332-95-0)
- Phenylthiohydantoin-valine (CAS 4333-20-4)
- Phenylthiohydantoin-proline (CAS 4333-21-5)
- Phenylthiohydantoin-norleucine (CAS 4333-22-6)
- Phenylthiohydantoin-leucine (CAS 4399-40-0)
- Phenylthiohydantoin-isoleucine (contains PTH-alloisoleucine) (CAS 5066-94-4)
- Phenylthiohydantoin-Δ-threonine (CAS 5800-50-0)
Recommended Standards
- 3-Phenyl-4,5-dihydro-1h-1,2,4-triazol-5-one (CAS 939-07-1)
- 2-Methyloxazolo[5,4-b]pyridine (CAS 91813-42-2)
- Tert-butyl (3aR,4S,6aR)-4-(trifluoromethyl)hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate (CAS 1251001-26-9)
- 4-(5-Bromo-2-methoxyphenyl)thiazol-2-amine (CAS 383133-15-1)
- Tert-butyl (1-(2-chloro-6-fluorobenzyl)piperidin-4-yl)carbamate (CAS 651292-90-9)
- 3-Phenylbenzo[d][1,2,3]triazin-4(3H)-one (CAS 19263-30-0)
- Semaglutide (CAS 910463-68-2（free base）)
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