1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-ol CAS 220299-50-3
| CAS No. | 220299-50-3 |
| Molecular Formula | C9H18N2O2Si |
| Molecular Weight | 214.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-ol (CAS 220299-50-3), a certified reference material (molecular formula C9H18N2O2Si, MW 214.34 g/mol) for analytical method development and quality control.
Structurally, 1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-ol (C9H18N2O2Si) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 214.34 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C9H18N2O2Si |
| Molecular Weight | 214.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |
Related Trimethylsilyl Standards
- 3-[2-(Trimethylsilyl)ethynyl]imidazo[1,2-a]pyridine (CAS 1148027-21-7)
- 5-((Trimethylsilyl)ethynyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1207351-09-4)
- 1-(Trimethylsilyl)indolizine-3-carbonitrile (CAS 87277-13-2)
- Trimethylsilyl 3-(trimethylsilyl)propiolate (CAS 97927-35-0)
- 3-(Trimethylsilyl)propane-1-sulfonyl chloride (CAS 159945-95-6)
- 2-(2-(Trimethylsilyl)ethyl)-1,3,6,2-dioxazaborocane (CAS 501014-43-3)
- 2-((Trimethylsilyl)ethynyl)benzo[d]oxazole (CAS 1373278-89-7)
- Ethyl 5-(trimethylsilyl)-4,5-dihydroisoxazole-3-carboxylate (CAS 139146-96-6)
Recommended Standards
- Undecyl acetate (CAS 1731-81-3)
- 2-Ethylhexyl pivalate (CAS 16387-18-1)
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- 3-Pentyloctanoic acid (CAS 1397196-39-2)
- 2-Chloro-6-(3,5-dichlorophenyl)-4-methylnicotinonitrile (CAS 1956364-80-9)
- 4-((4-Fluorobenzyl)(methyl)amino)butanoic acid hydrochloride (CAS 1587148-36-4)
- Methyl 4-cyano-2-fluoro-5-nitrobenzoate (CAS 1149388-51-1)
- 4-Hydroxypyrimido[1,2-a]benzimidazole-3-carboxylic acid (CAS 173545-88-5)
- 2-(4h-1,2,4-Triazol-4-yl)phenol (CAS 889129-51-5)
- 6-[(1-acetyl-4-piperidyl)amino]pyrimidine-4-carboxylic acid;lithium salt (CAS 2007909-54-6)
- N-(4-bromo-2-methylphenyl)-2-(pyridin-2-ylthio)acetamide (CAS 329078-56-0)
- 1-(2-Bromobenzyl)azetidine-3-carboxylic acid (CAS 1339510-66-5)
- (1-Methyl-3-phenyl-5-((3-(trifluoromethyl)phenyl)thio)-1H-pyrazol-4-yl)methanol (CAS 318247-69-7)
- D-β-Asp9-Tirzepatide (CAS CATO-CPTD788932)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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