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454426-44-9

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454426-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 454426-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,4,2 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 454426-44:
(8*4)+(7*5)+(6*4)+(5*4)+(4*2)+(3*6)+(2*4)+(1*4)=149
149 % 10 = 9
So 454426-44-9 is a valid CAS Registry Number.

454426-44-9Relevant articles and documents

Copper(I)-catalyzed synthesis of substituted 2-mercapto benzimidazoles

Murru, Siva,Patel, Bhisma K.,Le Bras, Jean,Muzart, Jacques

supporting information; experimental part, p. 2217 - 2220 (2009/07/01)

An efficient method for the preparation of various substituted 2-mercapto benzimidazoles from their corresponding thioureas has been developed. 5-Alkylation of thioureas followed by Cu-catalyzed intramolecular N-arylation furnished substituted 2-mercapto

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