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870456-21-6

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870456-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 870456-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,4,5 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 870456-21:
(8*8)+(7*7)+(6*0)+(5*4)+(4*5)+(3*6)+(2*2)+(1*1)=176
176 % 10 = 6
So 870456-21-6 is a valid CAS Registry Number.

870456-21-6Relevant articles and documents

The diazo route to diazonamide A: Studies on the tyrosine-derived fragment

Palmer, Francine N.,Lach, Franck,Poriel, Cyril,Pepper, Adrian G.,Bagley, Mark C.,Slawin, Alexandra M. Z.,Moody, Christopher J.

, p. 3805 - 3811 (2007/10/03)

Various approaches to the tyrosine-derived fragment of the marine secondary metabolite diazonamide A are described. Initial efforts were focused on the originally proposed structure of the natural product, and a feasibility study established that a model

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