(E)-3-(1-Hydroxyethylidene)pyrrolidine-2,4-dione CAS 66056-60-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66056-60-8 |
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-3-(1-Hydroxyethylidene)pyrrolidine-2,4-dione (CAS 66056-60-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H7NO3. Molecular weight: 141.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-(1-Hydroxyethylidene)pyrrolidine-2,4-dione (CAS 159770-37-3)
- (Z)-3-(1-Hydroxyethylidene)pyrrolidine-2,4-dione (CAS 66056-61-9)
- 3-(1-Hydroxyethylidene)-2,4-pentanedione 815-68-9 Triacetylmethane (CAS 815-68-9)
- (Z)-4-(1-Hydroxyethylidene)-1,3-dimethyl-1H-pyrazol-5(4H)-one (CAS 179985-33-2)
- (Z)-3-(1-Hydroxyethylidene)-1-methylpyrrolidine-2,4-dione (CAS 140837-96-3)
- 4-(1-Hydroxyethylidene)-3-propylisoxazol-5(4H)-one (CAS 150307-84-9)
- 5-(1-Hydroxyethylidene)pyrimidine-2,4,6(1H,3H,5H)-trione (CAS 374762-40-0)
- 2-(1-hydroxyethylidene)malononitrile (CAS 5515-35-5)
Recommended Standards
- (5-Bromofuran-2-yl)(piperidin-1-yl)methanone (CAS 57785-36-1)
- (S)-2-Acetamidobut-3-ynoic acid (CAS 73537-08-3)
- 3-Methylisoxazole-5-acetic Acid (CAS 19668-85-0)
- 2-Oxo-2H-chromene-6-sulfonamide (CAS 90322-59-1)
- (1R,3r)-3-(2-fluorophenyl)cyclobutan-1-amine (CAS 1808068-70-3)
- 2,3-Dichloro-6-(difluoromethoxy)benzaldehyde (CAS 1806301-05-2)
- 5'-Uridylic acid, 2'-deoxy-5-[1-hydroxy-2-[(2-hydroxyethyl)thio]ethyl]-, (S)- (CAS 88156-45-0)
- 1-Methyl-1,2,3,4-tetrahydroquinoline-4-carbonitrile (CAS 72594-75-3)
- 2-(3-Bromo-5-methylpyridin-2-yl)acetic acid (CAS 1214328-68-3)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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