2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,1-dichloroethene CAS 25120-29-0
| CAS No. | 25120-29-0 |
| Molecular Formula | C5H8O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,1-dichloroethene (C5H8O2C2H2Cl2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 197.06 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,1-dichloroethene (CAS 25120-29-0), molecular formula C5H8O2C2H2Cl2 and molecular weight 197.06 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H8O2 C2H2Cl2 |
| Molecular Weight | 197.06 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.) | 1964 |
| Halogen Content | Cl-containing |
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Recommended Standards
- [cis-3-fluorocyclopentyl]methanol (CAS 1903826-34-5)
- 2-Chloro-1-[2,5-dimethyl-1-(1-phenylethyl)-1h-pyrrol-3-yl]ethan-1-one (CAS 784172-02-7)
- tert-Butyl ((5-carbamoylthiazol-2-yl)methyl)carbamate (CAS 232612-29-2)
- 2,4-Difluoro-3-methoxy-1-methyl-5-nitrobenzene (CAS 1881331-96-9)
- 1-Chloro-3,3,4,4,5,5-Hexafluoro-2-Methoxycyclopentene (CAS 336-34-5)
- 4-Amino-4-piperidinecarbonitrile (CAS 50289-05-9)
- tert-Butyl 2,7-diazabicyclo[4.2.0]octane-2-carboxylate (CAS 1251007-45-0)
- 2-(2,4-Dimethoxyphenyl)-3-hydroxy-7-methoxy-4H-chromen-4-one (CAS 263365-51-1)
- Tert-butyl (2,2-difluoroethyl)glycinate (CAS 1488365-02-1)
- [Ser39-OH] Tirzepatide (CAS CATO-C4X-324041)
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