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211996-13-3

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211996-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211996-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,9,9 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 211996-13:
(8*2)+(7*1)+(6*1)+(5*9)+(4*9)+(3*6)+(2*1)+(1*3)=133
133 % 10 = 3
So 211996-13-3 is a valid CAS Registry Number.

211996-13-3Downstream Products

211996-13-3Relevant articles and documents

Gold-catalyzed efficient formation of alkenyl enol esters/carbonates from trimethylsilylmethyl-substituted propargyl esters/carbonates

Wang, Shaozhong,Zhang, Liming

, p. 4585 - 4587 (2007/10/03)

A gold-catalyzed efficient method for the preparation of alkenyl enol esters/carbonates is developed. Besides the mild reaction conditions and high catalytic efficiency, the excellent E-selectivity of the nonenolic double bond is remarkable.

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