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106137-57-9

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106137-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106137-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,1,3 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 106137-57:
(8*1)+(7*0)+(6*6)+(5*1)+(4*3)+(3*7)+(2*5)+(1*7)=99
99 % 10 = 9
So 106137-57-9 is a valid CAS Registry Number.

106137-57-9Relevant articles and documents

ENZYMATIC HYDROLYSIS OF CYCLOPROPANES. TOTAL SYNTHESIS OF OPTICALLY PURE DICTYOPTERENES A AND C'.

Grandjean, D.,Pale, P.,Chuche, J.

, p. 1215 - 1230 (2007/10/02)

Enzymatic hydrolysis of cis-1,2-bis(butyryloxymethyl)cyclopropane 3 under optimized conditions gives, in quantitative yield, optically pure cis-(1S,2R)-1-hydroxymethyl-2-butyryloxymethylcyclopropane 1.This compound is a versatile cyclopropane synthon as exemplified by the total synthesis of optically pure seaweed pheromones Dictyopterenes A and C'.

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