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86558-53-4

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86558-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86558-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,5 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 86558-53:
(7*8)+(6*6)+(5*5)+(4*5)+(3*8)+(2*5)+(1*3)=174
174 % 10 = 4
So 86558-53-4 is a valid CAS Registry Number.

86558-53-4Relevant articles and documents

SYNTHESE TOTALE DU (+/-)POLIGODIAL, DE LA DRIMENINE ET DE COMPOSES APPARENTES A JONCTION DE CYCLE cis ET trans

Jalali-Naini, M.,Guillerm, D.,Lallemand, J-Y.

, p. 749 - 758 (2007/10/02)

Isomerization by base under kinetic or thermodynamic control of the Diels-Alder adduct of 1,3,3-trimethyl-2-vinyl-1-cyclohexene with dimethyl acetylene dicarboxylate leads to two isomers which, after catalytic hydrogenation, give in high yield starting materials for synthesis of trans and cis drimanes.A short total synthesis of (+/-)-polygodial and (+/-)-drimenine from one of these isomers is desribed.

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