4-(3-Hydroxybutyl)-1,2-diphenylpyrazolidine-3,5-dione CAS 568-76-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 568-76-3 |
| Molecular Formula | C19H20N2O3 |
| Molecular Weight | 324.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(3-Hydroxybutyl)-1,2-diphenylpyrazolidine-3,5-dione (CAS 568-76-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H20N2O3. Molecular weight: 324.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H20N2O3 |
| Molecular Weight | 324.37 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Hydroxybutyl Standards
- 4-Hydroxybutyl 2-(2,4,5-trichlorophenoxy)acetate (CAS 40583-17-3)
- N-(4-Hydroxybutyl)-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxamide (CAS 946207-13-2)
- Bis(4-hydroxybutyl)terephthalate (CAS 23358-95-4)
- 4-(3-Hydroxybutyl)-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione (CAS 7720-49-2)
- (1-(4-Hydroxybutyl)-1H-indol-3-yl)(naphthalen-1-yl)methanone (CAS 335161-14-3)
- bis(4-hydroxybutyl) furan-2,5-dicarboxylate (CAS CATO-C3D-262625)
- 9-(4-Hydroxybutyl)-2-(phenylamino)-1H-purin-6(9H)-one (CAS 161363-19-5)
- 3-(2-Acetyl-4-hydroxybutyl)-1,8-dihydroxyanthracene-9,10-dione (CAS 87393-69-9)
Recommended Standards
- 4-(2-Fluorophenyl)-2-(methylthio)-1,4-dihydro-5H-indeno[1,2-d]pyrimidin-5-one (CAS 439095-11-1)
- 4-Butyl-5-hydroxy-2-(4-hydroxyphenyl)-1-phenyl-1H-pyrazol-3(2H)-one (CAS 975-18-8)
- 4-(1-Cyclohexyl-6-hydroxy-1H-indazol-3-yl)benzene-1,3-diol (CAS 680610-79-1)
- 3-Bromo-1-cyclopentyl-4-nitro-1H-pyrazole (CAS 1795502-99-6)
- 6-[(piperidin-4-yl)amino]pyridine-3-carbonitrile dihydrochloride (CAS 1007838-33-6)
- Topiramate Impurity 13 (CAS 86569-78-0)
- tert-Butyl 2-(thiophen-2-yl)piperidine-1-carboxylate (CAS 197247-39-5)
- 2-(Aminomethyl)-6-ethoxyphenol (CAS 736946-64-8)
- 1-(2-Fluorophenyl)hexan-2-one (CAS 150322-71-7)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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