2,2-Difluoro-3-methyl-but-3-enoic acid ethyl ester CAS 1936641-34-7
| CAS No. | 1936641-34-7 |
| Molecular Formula | C7H10F2O2 |
| Molecular Weight | 164.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2-Difluoro-3-methyl-but-3-enoic acid ethyl ester (CAS 1936641-34-7), molecular formula C7H10F2O2 and molecular weight 164.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H10F2O2, 2,2-Difluoro-3-methyl-but-3-enoic acid ethyl ester contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 164.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2,2-Difluoro-3-methyl-but-3-enoic acid ethyl ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H10F2O2 |
| Molecular Weight | 164.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
Related Difluoro Standards
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- Methyl 3,3-difluoro-1-Methylcyclobutane-1-carboxylate (CAS 1523571-06-3)
- 2,2-Difluoro-1-methylcyclopentane-1-carboxylic acid (CAS 1784302-90-4)
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Recommended Standards
- 3,4-Difluorocyclohexane-1-carboxylic acid (CAS 1935173-25-3)
- methyl 1-(1,1-difluoroethyl)cyclopropane-1-carboxylate (CAS 1909319-67-0)
- 2-(3,3-Difluorocyclobutyl)-N-hydroxyacetimidamide (CAS 1868894-80-7)
- (1R)-3,3-difluorocyclohexane-1-carboxylic acid (CAS 2231665-95-3)
- Ethyl 3-(3,5-dinitrophenyl)-3-oxopropanoate (CAS 168430-29-3)
- N-Boc-4-dimethyl-L-glutamic Acid (CAS 1217624-14-0)
- 2-(4-((3-Fluorophenoxy)methyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1160829-16-2)
- 3,4-Dibromo-5-hydroxyfuran-2(5H)-one (CAS 766-38-1)
- 5'-Hydroxyspiro[cyclopropane-1,3'-indolin]-2'-one (CAS 1360938-08-4)
- 3-Ethyl-3-isopropylindolin-2-one (CAS 797052-01-8)
- 4-(4-Fluoro-3-methylphenyl)butan-2-ol (CAS 1340149-74-7)
- [1,1'-Biphenyl]-2,2',6,6'-tetracarboxylic acid (CAS 4371-27-1)
- 5-Iodo-2-((2-methylcyclobutyl)methoxy)pyridine (CAS 1710301-90-8)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
Why CATO?
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