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872700-71-5

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872700-71-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872700-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,7,0 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 872700-71:
(8*8)+(7*7)+(6*2)+(5*7)+(4*0)+(3*0)+(2*7)+(1*1)=175
175 % 10 = 5
So 872700-71-5 is a valid CAS Registry Number.

872700-71-5Relevant articles and documents

NH-1,2,3-triazoles from azidomethyl pivalate and carbamates: Base-labile N-protecting groups

Loren, Jon C.,Krasiński, Antoni,Fokin, Valery V.,Sharpless, K. Barry

, p. 2847 - 2850 (2007/10/03)

NH-1,2,3-triazoles have been prepared via the copper(I)-catalyzed 1,3-dipolar cycloaddition between terminal alkynes and three N-protected organic azides, azidomethyl pivalate, azidomethyl morpholine-4-carboxylate, and azidomethyl N,N-diethylcarbarnate. T

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