Trimethylsilyl 2-chloro-2,2-difluoroacetate CAS 1700654-90-5
| CAS No. | 1700654-90-5 |
| Molecular Formula | C5H9ClF2O2Si |
| Molecular Weight | 202.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Trimethylsilyl 2-chloro-2,2-difluoroacetate (CAS 1700654-90-5), a certified reference material (molecular formula C5H9ClF2O2Si, MW 202.66 g/mol) for analytical method development and quality control.
Structurally, Trimethylsilyl 2-chloro-2,2-difluoroacetate (C5H9ClF2O2Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 202.66 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H9ClF2O2Si |
| Molecular Weight | 202.66 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 0.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
Related Trimethylsilyl Standards
- 1-(Trimethylsilyl)-3-chloro-4-fluorobenzene (CAS 845823-20-3)
- 1-(Trimethylsilyl)-3-chloro-5-fluorobenzene (CAS 845823-23-6)
- 4-((Trimethylsilyl)ethynyl)picolinaldehyde (CAS 1196151-87-7)
- 6-((Trimethylsilyl)ethynyl)nicotinaldehyde (CAS 1196156-38-3)
- (S)-5-(((trimethylsilyl)oxy)methyl)morpholin-3-one (CAS 1616862-23-7)
- 6-((Trimethylsilyl)ethynyl)picolinaldehyde (CAS 183438-94-0)
- 2-((Trimethylsilyl)ethynyl)nicotinaldehyde (CAS 222167-42-2)
- 3-((Trimethylsilyl)ethynyl)pyridine-2-carbaldehyde (CAS 222168-23-2)
Recommended Standards
- 4-Chloro-3-(methylthio)benzoicacid (CAS 166811-60-5)
- 2-Chloro-7,8-dihydro-3H-thiopyrano[4,3-d]pyrimidin-4(5H)-one (CAS 1781343-97-2)
- 5-Chloro-N,N-diethyl-3-fluoropyridin-2-amine (CAS 1504056-40-9)
- 2-Chloro-3-(methylsulfanyl)benzoic acid (CAS 1805648-85-4)
- N3-(4-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methoxy}phenyl)-6-chloronicotinamide (CAS 264924-66-5)
- 7-bromo-5-fluoro-1-methyl-1H-indazole (CAS 1781864-19-4)
- 5-((4-Chlorophenyl)thio)-4-((2,6-dichlorophenoxy)methyl)-1-methyl-3-phenyl-1H-pyrazole (CAS 318248-34-9)
- 2-Chloro-3-(difluoromethyl)pyridin-4-amine (CAS 1804753-90-9)
- 4-(Difluoromethyl)-3,6-dihydroxypicolinoyl chloride (CAS 1806894-20-1)
- Tris(4-chlorophenyl)(hexadecyl)silane (CAS 18759-07-4)
- 2-Bromo-N-(2-chlorophenyl)acetamide (CAS 5439-11-2)
- Cyclohexyl(thiophen-2-yl)methanamine hydrochloride (CAS 1609401-36-6)
- Methyl (1-(bicyclo[2.2.1]Heptan-2-yl)ethyl)carbamate (CAS 1023508-09-9)
- Semaglutide Impurity 15 (CAS CATO-C4X-222615)
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