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404589-11-3

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404589-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404589-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,5,8 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 404589-11:
(8*4)+(7*0)+(6*4)+(5*5)+(4*8)+(3*9)+(2*1)+(1*1)=143
143 % 10 = 3
So 404589-11-3 is a valid CAS Registry Number.

404589-11-3Relevant articles and documents

C2-symmetric Val-Val dipeptide isosteres via diethylaluminium azide ring opening of epoxyalcohols

Benedetti, Fabio,Miertus, Stanislav,Norbedo, Stefano

, p. 763 - 777 (2007/10/03)

Diethylaluminium azide has been used as a highly regio- and stereo-selective reagent for the ring opening of valine-derived, sterically hindered epoxyalcohols. This reagent has enabled extending a previously described synthesis of diaminodiol dipeptide is

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