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70243-13-9

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70243-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70243-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70243-13:
(7*7)+(6*0)+(5*2)+(4*4)+(3*3)+(2*1)+(1*3)=89
89 % 10 = 9
So 70243-13-9 is a valid CAS Registry Number.

70243-13-9Upstream product

70243-13-9Downstream Products

70243-13-9Relevant articles and documents

Facile one-pot synthesis of α-bromoketones from olefins using bromide/bromate couple as a nonhazardous brominating agent

Patil, Rajendra D.,Joshi, Girdhar,Adimurthy, Subbarayappa,Ranu, Brindaban C.

experimental part, p. 2529 - 2532 (2009/09/06)

A new method for the preparation of α-bromoketones from olefins using bromide/bromate couple as a nonhazardous brominating agent has been developed. Several α-bromoketones were successfully prepared from a variety of olefins by this method. This procedure is an alternative to conventional molecular bromine.

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