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180253-99-0

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180253-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180253-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,2,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 180253-99:
(8*1)+(7*8)+(6*0)+(5*2)+(4*5)+(3*3)+(2*9)+(1*9)=130
130 % 10 = 0
So 180253-99-0 is a valid CAS Registry Number.

180253-99-0Relevant articles and documents

N-hydroxypyridine-2(1H)-thione derivatives of carboxylic acids as activated esters. Part II. Applications in peptide synthesis

Barton, Derek H. R.,Ferreira, J. Albert

, p. 9367 - 9386 (1996)

The N-hydroxypyridine-2(1H)-thione derivatives of two urethane-protected α-amino acids readily reacted with the α-amino acid esters or the corresponding benzenesulfenamides to give simple dipeptides in reasonable yields. The benzenesulfenamides are the re

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