4-(4-Hydroxy-3-methylbut-2-en-1-yl)-1,2-diphenylpyrazolidine-3,5-dione CAS 77165-71-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77165-71-0 |
| Molecular Formula | C20H20N2O3 |
| Molecular Weight | 336.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Hydroxy-3-methylbut-2-en-1-yl)-1,2-diphenylpyrazolidine-3,5-dione (CAS 77165-71-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H20N2O3. Molecular weight: 336.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H20N2O3 |
| Molecular Weight | 336.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- (E)-4-(4-Hydroxy-3-methylbut-2-en-1-yl)-1,2-diphenylpyrazolidine-3,5-dione (CAS 58670-70-5)
- 17-Hydroxy-3,6,9,12,15-pentaoxaheptadecyl Acrylate (Stabilized) (CAS 77573-84-3)
- 3-Hydroxy-6-(3-phenoxyphenyl)-2-propanoylcyclohex-2-en-1-one (CAS 866153-06-2)
- 5-Hydroxy-4-(4-(morpholinomethyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-48-0)
- 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carboxamide 2,2-dioxide (CAS 303987-70-4)
- 1-Hydroxy-2-octylanthracene-9,10-dione (CAS 90395-97-4)
- 1-Hydroxy-N'-(3-methoxybenzoyl)-2-naphthohydrazide (CAS 332147-11-2)
- 1-(6-(2-Hydroxy-3-(isopropylamino)propoxy)-7-methoxy-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (CAS 59839-39-3)
Recommended Standards
- 4-(4-Difluoromethylsulfanyl-phenyl)-5-pyridin-3-yl-4H-[1,2,4]triazole-3-thiol (CAS 380349-27-9)
- 4-(6,8-Dimethoxy-4-methyl-2,3-dihydro-1H-pyrrolo[3,2-c]quinolin-1-yl)phenol (CAS 860789-35-1)
- 4-(4-Butoxybenzylidene)-1-phenylpyrazolidine-3,5-dione (CAS 820236-94-0)
- N-(3-bromobenzyl)-N-methylcyclopentanamine (CAS 1119450-09-7)
- n-(4-Chlorobenzyl)-2-methylbutan-2-amine (CAS 931991-06-9)
- 1,4-Dibromo-2-chloro-5-nitrobenzene (CAS 1855836-48-4)
- 2-(Aminomethyl)-5-bromo-6-(difluoromethyl)-3-methylpyridine (CAS 1805929-33-2)
- Ethyl3-(4-isobutylphenyl)-3-methylglycidate (CAS 58609-71-5)
- 9-Benzyl-1-oxa-9-azaspiro[5.5]Undecan-4-ol (CAS 1785761-76-3)
- D-[Phe]6-Liraglutide (CAS CATO-C4X-199235)
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