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57443-59-1

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57443-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57443-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,4 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57443-59:
(7*5)+(6*7)+(5*4)+(4*4)+(3*3)+(2*5)+(1*9)=141
141 % 10 = 1
So 57443-59-1 is a valid CAS Registry Number.

57443-59-1Downstream Products

57443-59-1Relevant articles and documents

REACTIONS OF POLYHALOFUNCTIONAL COMPOUNDS WITH METALS AND ELECTROPHILIC REAGENTS. XVII. STUDY OF THE REACTIONS OF ETHYL ESTERS OF 4,4-DIBROMO-2,2-DIMETHYL-3-OXOALKANOIC ACIDS WITH ZINC AND ALDEHYDES

Shchepin, V. V.,Gladkova, G. E.,Maorov, A. V.,Efremov, D.I.

, p. 1627 - 1634 (2007/10/02)

A study was carried out on the chemical behavior of ethyl esters of 4,4-dibromo-2,2-dimethyl-3-alkanoic acids in their reaction with zinc and aldehydes.This reaction proceeds through the formation of an intermediate bromozinc alcoholate.The subsequent tra

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