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30908-59-9

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30908-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30908-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,9,0 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 30908-59:
(7*3)+(6*0)+(5*9)+(4*0)+(3*8)+(2*5)+(1*9)=109
109 % 10 = 9
So 30908-59-9 is a valid CAS Registry Number.

30908-59-9Relevant articles and documents

Trifluoromethanesulfonic acid catalyzed isomerization of kinetic enol derivatives to the thermodynamically favored isomers

Lee, Phil Ho,Kang, Dongjin,Choi, Subin,Kim, Sunggak

, p. 3470 - 3473 (2011/08/22)

Trifluoromethanesulfonic acid catalyzed isomerization of kinetic enol derivatives to the thermodynamically favored isomers was developed. Under the present conditions, kinetic enol phosphates, enol acetates and benzoates, and enol sulfonates were smoothly isomerized to produce the corresponding thermodynamically favored isomers in good to excellent yields.

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