856758-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856758-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,7,5 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 856758-04:
(8*8)+(7*5)+(6*6)+(5*7)+(4*5)+(3*8)+(2*0)+(1*4)=218
218 % 10 = 8
So 856758-04-8 is a valid CAS Registry Number.
856758-04-8Relevant articles and documents
Method for Acylation of an Aromatic Compound
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Page/Page column 11, (2008/12/06)
A method for acylation of an aromatic compound, comprising reacting an aromatic compound and an acylating agent of the carboxylic acid type, in the presence of a Lewis acid and of a silylated reagent selected from the group consisting of halosilanes and halosiloxanes.