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78423-43-5

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78423-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78423-43-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,2 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78423-43:
(7*7)+(6*8)+(5*4)+(4*2)+(3*3)+(2*4)+(1*3)=145
145 % 10 = 5
So 78423-43-5 is a valid CAS Registry Number.

78423-43-5Downstream Products

78423-43-5Relevant articles and documents

Reactions of Halogenated α-Phenylcinnamic Acids with Potassium Amide in Liquid Ammonia : Part I - Reactions of cis- and trans-2-Chloro-α-phenylcinnamic Acids

Kessar, S. V.,Nadir, U. K.,Gupta, Y. P.,Pahwa, P. S.,Singh, Paramjit

, p. 1 - 3 (2007/10/02)

Reaction of trans- and cis-2-chloro-α-phenylcinnamic acids (1) with KNH2 in liquid ammonia gives phenanthrene-9-carboxylic acids (2) and 3-phenylcarbostyrils (8).Under similar conditions 3-chloro-α-phenylcinnamic acids (5) furnish 3-phenylcoumarins (6).

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