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112983-51-4

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112983-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112983-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,9,8 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112983-51:
(8*1)+(7*1)+(6*2)+(5*9)+(4*8)+(3*3)+(2*5)+(1*1)=124
124 % 10 = 4
So 112983-51-4 is a valid CAS Registry Number.

112983-51-4Relevant articles and documents

Exo- and Endohormones. XI. Synthesis of Monounsaturated Sex Pheromones of Lepitoptera via α-Dicetones

Oprean, I.,Ciupe, Hilke,Gansca, Lucia,Hodosan, F.

, p. 283 - 289 (2007/10/02)

α-Dicetones (5), prepared starting either with cyanohydrines (1) or with N,N-diethyl oxamate (6), were converted via the dihydrazones 11 ito acetylenes (12).Replacement of the protecting group by the acatate group and partial stereoselective reduction of the triple bond led finally to the title conpounds.

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