methyl 2,2-difluoro-2-(methoxysulfonyl)acetate CAS 1869-42-7
| CAS No. | 1869-42-7 |
| Molecular Formula | C4H6F2O5S |
| Molecular Weight | 204.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including methyl 2,2-difluoro-2-(methoxysulfonyl)acetate.
methyl 2,2-difluoro-2-(methoxysulfonyl)acetate (CAS 1869-42-7), molecular formula C4H6F2O5S and molecular weight 204.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H6F2O5S, methyl 2,2-difluoro-2-(methoxysulfonyl)acetate contains a carbohydrate-derived structure, a sulfone group, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 204.15 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 methyl 2,2-difluoro-2-(methoxysulfonyl)acetate 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 | C4H6F2O5S |
| Molecular Weight | 204.15 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related methyl Standards
- 2,2-Difluoro-1-(2-fluoro-4-methoxyphenyl)ethan-1-one (CAS 1022154-92-2)
- 2,2-Difluoro-2-(3-fluoro-4-methylphenyl)acetic acid (CAS 1027514-20-0)
- 2,2-Difluoro-2-(5-fluoro-2-methylphenyl)acetic acid (CAS 1247942-74-0)
- 2,2-Difluoro-2-(4-fluoro-2-methylphenyl)acetic acid (CAS 1248611-17-7)
- 2,2-Difluoro-2-(4-fluoro-3-methylphenyl)acetic Acid (CAS 1249162-93-3)
- 2,2-Difluoro-2-(2-fluoro-5-methylphenyl)acetic acid (CAS 1249440-96-7)
- Methyl 2,2-difluoro-2-(4-fluorophenyl)acetate (CAS 125923-59-3)
- 2,2-Difluoro-1-(5-fluoro-2-methoxyphenyl)ethan-1-one (CAS 1352214-92-6)
Recommended Standards
- Benzenecarboximidamide, N'-hydroxy-4-(trifluoromethyl)-, (Z)- (CAS 184778-31-2)
- (E)-N'-Hydroxy-4-(trifluoromethyl)benzimidamide (CAS 1874155-20-0)
- 4-Methylphenyl trifluoroacetate (CAS 1813-29-2)
- 2-Methyl-5-(trifluoromethoxy)benzaldehyde (CAS 195622-40-3)
- (S)-(+)-2-Methyl-1-butanol p-Toluenesulfonate (CAS 38261-81-3)
- 5-(3-(Benzyloxy)thiophen-2-yl)-1,2-dihydro-3H-1,2,4-triazole-3-thione (CAS 339022-49-0)
- 6-(Trifluoromethyl)-1,2,3,4-tetrahydro-1,5-naphthyridine hydrochloride (CAS 1356110-30-9)
- 2-(2-Chlorophenyl)imidazole (CAS 76875-22-4)
- (S)-2-amino-2-(5-bromo-2-fluorophenyl)ethan-1-ol hydrochloride (CAS 1391572-97-6)
- (2-(9H-Carbazol-9-yl)dibenzo[b,d]furan-4,6-diyl)bis(diphenylphosphineoxide) (CAS 1407158-19-3)
- Dimenhydrinate Impurity C2 (CAS 2212-35-3)
- Furosemide Impurity 57 (CAS 5428-37-5)
- 2-Fluoro-6-methylphenol (CAS 443-90-3)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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