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(4-benzyloxy-but-2-ynyloxy)-triethyl-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

444816-17-5

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444816-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444816-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,8,1 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 444816-17:
(8*4)+(7*4)+(6*4)+(5*8)+(4*1)+(3*6)+(2*1)+(1*7)=155
155 % 10 = 5
So 444816-17-5 is a valid CAS Registry Number.

444816-17-5Relevant academic research and scientific papers

Facile cleavage of triethylsilyl (TES) ethers using o-lodoxybenzoic acid (IBX) without affecting tert-butyldimethylsilyl (TBS) ethers

Wu, Yikang,Huang, Jia-Hui,Shen, Xin,Hu, Qi,Tang, Chao-Jun,Li, Liang

, p. 2141 - 2144 (2002)

(matrix presented) In DMSO cleavage of triethylsilyl (TES) ethers by o-iodoxybenzoic acid (IBX) was significantly faster than cleavage of tert-butyldimethylsilyl (TBS) ethers or further oxidation into carbonyl compounds. In most cases, TES protecting groups be removed in good to excellent yields within 1 h, whereas similar TBS protecting groups remained intact under the same conditions. The procedure also could be adapted for direct one-pot conversion of TES ethers into carbonyl compounds.

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