Phenylthiohydantoin-proline CAS 4333-21-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4333-21-5 |
| Molecular Formula | C12H12N2OS |
| Molecular Weight | 232.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenylthiohydantoin-proline (CAS 4333-21-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H12N2OS. Molecular weight: 232.30 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H12N2OS |
| Molecular Weight | 232.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Phenylthiohydantoin Standards
- Phenylthiohydantoin-Δ-threonine (CAS 5800-50-0)
- Phenylthiohydantoin-isoleucine (contains PTH-alloisoleucine) (CAS 5066-94-4)
- Phenylthiohydantoin-glycine (CAS 2010-15-3)
- Phenylthiohydantoin-tyrosine (CAS 4332-95-0)
- Phenylthiohydantoin-leucine (CAS 4399-40-0)
- Phenylthiohydantoin-norleucine (CAS 4333-22-6)
- Phenylthiohydantoin-tryptophan (CAS 5789-24-2)
- Phenylthiohydantoin-valine (CAS 4333-20-4)
Recommended Standards
- N-methyl-2-(p-tolyl)thiazole-4-carboxamide (CAS 400079-16-5)
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- N-cyclopropyl-3-(1H-pyrrol-1-yl)thiophene-2-carboxamide (CAS 551920-79-7)
- 4-((Dimethylamino)methyl)dihydrofuran-3(2H)-one hydrochloride (CAS 2138146-01-5)
- 2-(Ethyl(4-fluorophenyl)amino)acetimidamide (CAS 1249720-13-5)
- 3-Bromo-1H-indazol-5-ol (CAS 885519-36-8)
- (1R,3S)-3-Aminocyclohexane-1-carboxylic acid (CAS 81131-39-7)
- 3,5-Dimethyl-N-propylisoxazole-4-carboxamide (CAS 925178-43-4)
- Tunodafil Impurity 13 (CAS CATO-C4X-311013)
- (Cys2)-Neuropeptide Y-8-aminooctanoyl-(D-Cys27)-Neuropeptide Y (25-32) (H-3298.0500) (CAS 128806-04-2)
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