3-Butenoic acid, 2,5-dioxo-1-pyrrolidinyl ester CAS 388091-45-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 388091-45-0 |
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Butenoic acid, 2,5-dioxo-1-pyrrolidinyl ester (CAS 388091-45-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9NO4. Molecular weight: 183.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Amino-5-hydroxy-4-methoxybenzoic acid (CAS 80547-66-6)
- 3-ethoxy-4-nitrophenol (CAS 64635-54-7)
- 3-Amino-4-hydroxy-5-methoxybenzoic Acid (CAS 84211-28-9)
- 1-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-1-yl)-2,2-dimethylpropan-1-one (CAS 303150-33-6)
- 2-((2,4-Dichlorobenzyl)amino)-2-oxoacetic acid (CAS 6935-72-4)
- 6-Bromo-3-pyridinol (CAS 55717-45-8)
- 1,3-Bis(2,4-dimethylphenyl)propane-1,3-dione (CAS 937602-24-9)
- 4-Fluoro-2-(2H-1,2,3-triazol-2-yl)benzoic acid (CAS 1293284-50-0)
- 2-Methyloctahydro-1H-5,8-methanopyrrolo[1,2-a]azepine (CAS 90307-30-5)
- D-Phe22-Tirzepatide (CAS CATO-CPTD788912)
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