Phenylthiohydantoin-leucine CAS 4399-40-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4399-40-0 |
| Molecular Formula | C9H8N2OS C6H13NO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Phenylthiohydantoin-leucine (CAS 4399-40-0) pharmaceutical standards reference standard. Molecular formula: C9H8N2OS C6H13NO2. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H8N2OS C6H13NO2 |
| Molecular Weight | 323.41 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| 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-isoleucine (contains PTH-alloisoleucine) (CAS 5066-94-4)
- Phenylthiohydantoin-tryptophan (CAS 5789-24-2)
- Phenylthiohydantoin-Δ-threonine (CAS 5800-50-0)
Recommended Standards
- Methyl 2,3,4-tri-O-acetyl-β-D-thiogalactopyranosiduronic acid methyl ester (CAS 129541-34-0)
- 3-(3,4-Dimethylphenyl)propiolic acid (CAS 1176621-04-7)
- Lenvatinib Impurity 123 (CAS CATO-C4X-1140123)
- N-(3-acetamido-2,4,6-trimethylbenzyl)-2-chloroacetamide (CAS 924841-94-1)
- 2-([1,2,4]Triazolo[4,3-a]pyridin-3-ylthio)-N-(4-bromophenyl)acetamide (CAS 304862-70-2)
- Monochlorotriiodothyronine (CAS 909279-46-5)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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