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139132-43-7

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139132-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139132-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,3 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139132-43:
(8*1)+(7*3)+(6*9)+(5*1)+(4*3)+(3*2)+(2*4)+(1*3)=117
117 % 10 = 7
So 139132-43-7 is a valid CAS Registry Number.

139132-43-7Relevant articles and documents

Evidence for an insertion-homolysis mechanism for carbon-sulphur bond formation in penicillin biosynthesis; 2. Incubation and interpretation

Baldwin, Jack E.,Adlington, Robert M.,Marquess, Daniel G.,Pitt, Andrew R.,Porter, Michael J.,Russell, Andrew T.

, p. 2537 - 2556 (1996)

Evidence to support an insertion-homolysis mechanism for the event leading to carbon-sulphur bond formation in penicillin biosynthesis has been obtained by incubation of a series of cyclopropane-containing stereochemical probes.

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