1-(4-Phenyl-2-thiazolyl)-1-tert-butyl-3,3-dimethyl-5-hydroxy[4,5]-bipyrazol CAS 321998-06-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321998-06-5 |
| Molecular Formula | C21H23N5OS |
| Molecular Weight | 393.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(4-Phenyl-2-thiazolyl)-1-tert-butyl-3,3-dimethyl-5-hydroxy[4,5]-bipyrazol (CAS 321998-06-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H23N5OS. Molecular weight: 393.51 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H23N5OS |
| Molecular Weight | 393.51 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Phenyl Standards
- Boc-3-(4-thiazolyl)-L-alanine (CAS 119434-75-2)
- 2-thiazolyl zinc bromide solution (CAS 173382-28-0)
- N-(2-Thiazolyl)-2-(3-thienyl)acetamide (CAS 849043-84-1)
- 5-(2-Thiazolyl)thiophene-2-boronic acid (CAS 1872434-79-1)
- Methyl 5-(2-Thiazolyl)isoxazole-3-carboxylate (CAS 1375064-47-3)
- 3-(2-Methyl-4-thiazolyl)benzyl Alcohol (CAS 850375-06-3)
- 4-(4-Methyl-5-thiazolyl)benzylamine (CAS 1448189-30-7)
- S-(2-Thiazolyl)-L-Cysteine (CAS 405150-20-1)
Recommended Standards
- 1-(2-Pyridinyl)-4-{[5-(1,2,3-thiadiazol-4-yl)-2-thienyl]sulfonyl}piperazine (CAS 477867-54-2)
- 2-((4-Allyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-ethyl-6-methylphenyl)acetamide (CAS 587005-33-2)
- H-Cys(4-methoxytrityl)-OH (CAS 177582-20-6)
- 5-(tert-Butyl)-2-(methylthio)phenol (CAS 66624-05-3)
- (1R,5S)-3,3,5-trimethylcyclohexyl ((1S,5R)-3,3,5-trimethylcyclohexyl) phthalate (CAS 245652-82-8)
- Methyl 2-fluoro-5-hydroxy-4-nitrobenzoate (CAS 1566162-09-1)
- 1-(4-Chloro-2-nitrophenyl)pyrrolidine (CAS 41173-36-8)
- 3,2':3',3''-Terpyridine (CAS 171020-11-4)
- Ethyl 2-amino-3,5-dibromobenzoate (CAS 353754-49-1)
- Retatrutide (CAS 2381089-83-2)
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