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5157-16-4

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5157-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5157-16-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5157-16:
(6*5)+(5*1)+(4*5)+(3*7)+(2*1)+(1*6)=84
84 % 10 = 4
So 5157-16-4 is a valid CAS Registry Number.

5157-16-4Relevant articles and documents

Preparation of several active N-chloro compounds from trichloroisocyanuric acid

Shiri, Azam,Khoramabadi-Zad, Ahmad

experimental part, p. 2797 - 2801 (2010/01/21)

A very simple method for the preparation of several activeN-chloro compounds that have extensive applications in organic synthesis, industry, and medicine has been developed.Tetrachloroglycolurils, chloramine-T, N-chlorosaccharin, N-chlorosuccinimide, N-chlorophthalimide, N,N¢-dichlorophenobarbital,and N,N¢-dichlorobarbital were synthesized by chlorination with trichloroisocyanuric acid under mild reaction conditions at roomtemperature. This method is clean, fast, and efficient; the yields are also good to excellent. Georg Thieme Verlag Stuttgart.

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