5-(Difluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole-4-carboxylic acid CAS 2792205-90-2
| CAS No. | 2792205-90-2 |
| Molecular Formula | C11H18F2N2O3Si |
| Molecular Weight | 292.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(Difluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole-4-carboxylic acid (C11H18F2N2O3Si) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 292.35 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.
5-(Difluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole-4-carboxylic acid (CAS 2792205-90-2) is a high-purity analytical reference standard with the molecular formula C11H18F2N2O3Si and a molecular weight of 292.35 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(Difluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole-4-carboxylic acid 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 | C11H18F2N2O3Si |
| Molecular Weight | 292.35 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-(4-Fluorophenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 436090-38-9)
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- 5-(4-Fluorobenzoyl)-3-methylthieno[2,3-c][1,2]thiazol-4-amine (CAS 339017-36-6)
- 5-Amino-N-(2-methoxyphenyl)-2-methylbenzene-1-sulfonamide (CAS 328028-39-3)
- 1-[4-(1-ethyl-3-methyl-1H-pyrazol-4-yl)-6-(trifluoromethyl)pyrimidin-2-yl]piperidin-4-amine (CAS 1170525-72-0)
- 3-Benzyl-1-oxa-3,8-diazaspiro[4.6]Undecan-2-one hydrochloride (CAS 1622069-56-0)
- Z-Thr-Ser-OMe (CAS 2488-24-6)
- 3-(n-Benzyl4-methoxybenzenesulfonamido)propanoic acid (CAS 794584-35-3)
- 1-Fluoro-4-(1-methoxyethyl)benzene (CAS 111662-72-7)
- 2-Amino-2-(2-hydroxy-5-methylphenyl)propanoic acid (CAS 956611-69-1)
- 1-Bromo-5-iodo-4-methoxy-2-(trifluoromethyl)benzene (CAS 2241588-80-5)
- 2-Bromo-4-(difluoromethyl)-5-(trifluoromethoxy)aniline (CAS 1807186-46-4)
- (4-(Benzylamino)-6-chloropyrimidin-5-yl)methanol (CAS 1135283-48-5)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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