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218786-50-6

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218786-50-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218786-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,7,8 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 218786-50:
(8*2)+(7*1)+(6*8)+(5*7)+(4*8)+(3*6)+(2*5)+(1*0)=166
166 % 10 = 6
So 218786-50-6 is a valid CAS Registry Number.

218786-50-6Relevant articles and documents

Stereoselective synthesis of new digitalis-like perhydroindene derivatives from the Hajos-Parrish ketone

Almirante, Nicoletta,Cerri, Alberto,De Munari, Sergio

, p. 1234 - 1236 (2007/10/03)

New cardenolide-like perhydroindene derivatives 7a,b and 8 were synthesized from (+)-(3aS,7aS)-3a-hydroxy-7a-methylperhydroinden-1,5-dione 1 (Hajos-Parrish ketone) in few stereo- and regioselective steps and without using protective groups.

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