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177963-76-7

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177963-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177963-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,9,6 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 177963-76:
(8*1)+(7*7)+(6*7)+(5*9)+(4*6)+(3*3)+(2*7)+(1*6)=197
197 % 10 = 7
So 177963-76-7 is a valid CAS Registry Number.

177963-76-7Upstream product

177963-76-7Downstream Products

177963-76-7Relevant articles and documents

Synthesis of 1-acylamino-1-(trimethylsiloxy)alkanes by trimethylsilyl trifluoromethanesulfonate-catalysed addition of bis(trimethylsilyl)amides to aldehydes

Johnson, A. Peter,Luke, Richard W. A.,Steele, Robert W.,Boa, Andrew N.

, p. 883 - 893 (2007/10/03)

Bis(trimethylsilyl)formamide reacts with aldehydes in refluxing chloroform, or at room temperature with catalysis by trimethylsilyl trifluoromethanesulfonate, to give 1-acylamino-1-(trimethylsiloxy)alkanes; similar results are obtained with other bis(trimethylsilyl)amides, but surprisingly not with bis(trimethylsilyl)acetamide, and addition of bis(trimethylsilyl)formamide to ketones and acetals can also be accomplished using TMS triflate as catalyst.

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