1-(1H-indol-3-yl)-2-(4-phenylpiperazin-1-yl)ethane-1,2-dione CAS 71765-56-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71765-56-5 |
| Molecular Formula | C20H19N3O2 |
| Molecular Weight | 333.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(1H-indol-3-yl)-2-(4-phenylpiperazin-1-yl)ethane-1,2-dione (CAS 71765-56-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H19N3O2. Molecular weight: 333.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H19N3O2 |
| Molecular Weight | 333.38 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1-(1-(3-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-(thiophen-2-ylmethyl)urea (CAS 891104-90-8)
- 1-(p-Tolyl)-4-(3-(o-tolyl)-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one (CAS 946276-49-9)
- (S)-2-((S)-1-((S)-2-Amino-3-phenylpropanoyl)pyrrolidine-2-carboxamido)propanoic acid (CAS 81391-38-0)
- 1-chloro-2-[(piperidine-4-yl)oxy]benzene hydrochloride
4-(2-Chlorophenoxy)piperidine hydrochloride
4-(2-chlorophenoxy)piperidinium chloride
849107-20-6
piperidine,4-(2-chlorophenoxy)-,hydrochloride (CAS 849107-20-6)
- 4-Methyl-5-(trifluoromethyl)-4H-1,2,4-triazole-3-sulfonyl fluoride (CAS 1803565-87-8)
- 5,7-Dichloro-2-methylbenzofuran (CAS 42969-85-7)
- 2,6-Dichloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine (CAS 918304-43-5)
- 4-(4-Cyanophenyl)-1-butene (CAS 15451-33-9)
- n,n-Diallyl-3-cyanobenzamide (CAS 1016867-79-0)
- 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