1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-

4-(叔丁基二甲基甲硅烷基氧基)-1H-吡唑

Also known as: 4-((tert-Butyldimethylsilyl)oxy)-1H-pyrazole, 4-(tert-Butyldimethylsilyloxy)-1H-pyrazole, tert-butyl-dimethyl-(1H-pyrazol-4-yloxy)silane, 4-[(tert-Butyldimethylsilyl)oxy]pyrazole, 4-{[tert-Butyl(dimethyl)silyl]oxy}-1H-pyrazole, 4-t-butyldimethylsilyloxypyrazole, DKFELEX0323

1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- (CAS 226989-29-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H18N2OSi and a molecular weight of 198.33800 g/mol. It is also known as 4-((tert-Butyldimethylsilyl)oxy)-1H-pyrazole, 4-(tert-Butyldimethylsilyloxy)-1H-pyrazole and tert-butyl-dimethyl-(1H-pyrazol-4-yloxy)silane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 226989-29-3
Jingsj CID: J-1122245-7
Molecular Formula: C₉H₁₈N₂OSi
Chinese Name: 4-(叔丁基二甲基甲硅烷基氧基)-1H-吡唑
Molecular Weight: 198.33800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-?

The CAS number of 1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- is 226989-29-3.

What are the molecular formula and molecular weight of 1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-?

1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- has molecular formula C9H18N2OSi and molecular weight 198.33800 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1H-Pyrazole, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- (CAS 226989-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1122245-7 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.