(Z)-4-(1-Aminoethylidene)isoxazolidine-3,5-dione CAS 66146-91-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66146-91-6 |
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (Z)-4-(1-Aminoethylidene)isoxazolidine-3,5-dione (CAS 66146-91-6) pharmaceutical standards reference standard. Molecular formula: C5H6N2O3. Molecular weight: 142.11 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 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 |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
Related Z Standards
- (Z)-3-(1-aminoethylidene)-1-chloropentane-2,4-dione (CAS 54484-57-0)
- 2-(1-Aminoethylidene)-5,5-dimethylcyclohexane-1,3-dione (CAS 1010-56-6)
- 1-Acetyl-3-(1-aminoethylidene)pyrrolidine-2,4-dione (CAS 262378-98-3)
- 1-(E)-(1-aminoethylidene)amino 4-methyl benzene-1,4-dicarboxylate (CAS 874452-27-4)
- Methyl 2-(1-aminoethylidene)-6,6,6-trifluoro-5-oxohex-3-enoate (CAS 215657-66-2)
Recommended Standards
- (5-Nitrofuran-2-yl)methanamine (CAS 37136-36-0)
- 1-(Furan-2-yl)-2,2-dihydroxyethan-1-one (CAS 20328-66-9)
- (4-Nitro-1H-pyrrol-2-yl)methanol (CAS 30078-13-8)
- 6-Hydroxy-2-methylbenzofuran-3-carboxylic acid (CAS 854515-52-9)
- Trifluoromethylthio-iodine(III) reagent (TFTI) (CAS 2242898-13-9)
- 3-(2-Hydroxyphenyl)cyclobutan-1-one (CAS 294669-29-7)
- (1-(1-Phenylethyl)pyrrolidin-3-yl)methanamine (CAS 835886-98-1)
- 3-(5-(2-Fluorophenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1082913-22-1)
- N-Methyl-L-leucine methyl ester (CAS 35026-08-5)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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