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128217-41-4

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128217-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128217-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,1 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128217-41:
(8*1)+(7*2)+(6*8)+(5*2)+(4*1)+(3*7)+(2*4)+(1*1)=114
114 % 10 = 4
So 128217-41-4 is a valid CAS Registry Number.

128217-41-4Relevant articles and documents

A total synthesis of the unique tris-oxazole macrolide ulapualide a produced by the marine nudibranch Hexabranchus sanguineus

Chattopadhyay, Shital K.,Pattenden, Gerald

, p. 2429 - 2454 (2007/10/03)

A total synthesis of ulapualide A (1), whose relative stereochemistry was assigned on the basis of an earlier molecular mechanics study of its hypothetical metal chelated complex 9, is described. The synthesis is based on: i, elaboration of the double fun

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