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128100-62-9

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128100-62-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128100-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,0 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128100-62:
(8*1)+(7*2)+(6*8)+(5*1)+(4*0)+(3*0)+(2*6)+(1*2)=89
89 % 10 = 9
So 128100-62-9 is a valid CAS Registry Number.

128100-62-9Relevant articles and documents

Friedel-Crafts catalysts as assistants in the tritylation of less reactive hydroxyls

Bernini, Roberta,Maltese, Maurizio

supporting information; experimental part, p. 4113 - 4116 (2010/08/19)

Less reactive hydroxyls, such as those present in secondary alcohols and in some primary alcohols, phenols and carboxylic acids, were easily tritylated with the homogeneous assistance of equimolar quantities of chlorides of di- and trivalent metals in apr

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