(E)-4-(3-(Hydroxy(phenyl)methylene)-2-(4-nitrophenyl)-4,5-dioxopyrrolidin-1-yl)butanoic acid CAS 5961-32-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5961-32-0 |
| Molecular Formula | C21H18N2O7 |
| Molecular Weight | 410.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-(3-(Hydroxy(phenyl)methylene)-2-(4-nitrophenyl)-4,5-dioxopyrrolidin-1-yl)butanoic acid (CAS 5961-32-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H18N2O7. Molecular weight: 410.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H18N2O7 |
| Molecular Weight | 410.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related E Standards
- 2-(9-((4-Acetyl-3-hydroxy-2-propylphenoxy)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)acetic acid (CAS 112668-63-0)
- 3-Hydroxy-4-(4-isopropoxy-2-methylbenzoyl)-1-(2-methoxyethyl)-5-(pyridin-3-yl)-1H-pyrrol-2(5H)-one (CAS 505079-87-8)
- 3-Hydroxy-4-(4-methylbenzoyl)-5-(5-methylfuran-2-yl)-1-(2-morpholinoethyl)-1H-pyrrol-2(5H)-one (CAS 380879-08-3)
- 4-Hydroxy-2-oxo-N-(2,3,4,5,6-pentafluorophenyl)-1-azatricyclo[7.3.1.0^{5,13}]trideca-3,5(13),6,8-tetraene-3-carboxamide (CAS 477855-06-4)
- 2-Hydroxy-3-(phosphonooxy)propyl palmitate (CAS 22002-85-3)
- 361189-64-2 alpha-Hydroxy-omega-carboxy t-butyl ester hexa(ethylene glycol) MFCD13185017 HO-PEG6-CO-OtBu (CAS 361189-64-2)
- 4-beta-Hydroxy Cholesterol-D7 (CAS 1246302-80-6)
- 5-(4-Hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-N-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide (CAS 444146-92-3)
Recommended Standards
- 5-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]-3-(3,4,5-trimethoxyphenyl)-1,2,4-oxadiazole (CAS 1775376-20-9)
- (trans,trans)-4-(4-Iodophenyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 85547-11-1)
- Cobalt, [[2,2′-[(methylimino-κN)bis[3,1-propanediyl(nitrilo-κN)methylidyne]]bis[phenolato-κO]](2-)]-, (TB-5-22)- (CAS 15391-24-9)
- 2-(2-((3,5-Dimethylphenoxy)methyl)morpholino)acetamide (CAS 1706456-68-9)
- 4-Fluoro-N-methyl-3-nitrobenzenesulfonamide (CAS 1041598-53-1)
- N,N-Bis(2-hydroxyethyl)dodecan-1-amine oxide (CAS 2530-44-1)
- N-(4-oxocyclohexyl)cyclopentanecarboxamide (CAS 1155639-06-7)
- 2-Amino-4-chloro-3-fluorobenzoic acid (CAS 1039878-71-1)
- 5-(Hydroxymethyl)dihydrofuran-2(3H)-one (CAS 10374-51-3)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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