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109807-77-4

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109807-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109807-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109807-77:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*7)+(2*7)+(1*7)=144
144 % 10 = 4
So 109807-77-4 is a valid CAS Registry Number.

109807-77-4Downstream Products

109807-77-4Relevant articles and documents

Organocatalytic aerobic oxidative cleavage of cyclic 1,2-diketones

Gundala, Sivaji,Fagan, Claire-Louise,Delany, Eoghan G.,Connon, Stephen J.

, p. 1225 - 1228 (2013)

The first organocatalytic aerobic oxidative cleavage of cyclic 1,2-diketones is reported. The reaction occurs in either aqueous or alcoholic media and is promoted by a simple N-heterocyclic carbene catalyst derived from a 1,2,4-triazolium ion. No strong oxidants are required. The application of the process in a one-pot synthesis of a cyclic anhydride is also possible. Georg Thieme Verlag Stuttgart. New York.

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