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73843-60-4

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73843-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73843-60-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,4 and 3 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73843-60:
(7*7)+(6*3)+(5*8)+(4*4)+(3*3)+(2*6)+(1*0)=144
144 % 10 = 4
So 73843-60-4 is a valid CAS Registry Number.

73843-60-4Relevant articles and documents

LITHIATION REACTIONS OF 1-(2'-BROMOPHENYL)PYRROLE AND RELATED COMPOUNDS

Cartoon, M. E. K.,Cheeseman, G. W. H.

, p. 1 - 9 (2007/10/02)

9-Keto-9H-pyrroloindole is formed by the intramolecular cyclisation of the dilithio derivatives generated from either 1-(2'-carboxyphenyl)pyrrole or 1-(2'-bromophenyl)pyrrole-2-carboxylic acid.The reaction of the 2'-lithio derivative of 1-phenylpyrrole with various electrophiles is also described.

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