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178049-65-5

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178049-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178049-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,0,4 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 178049-65:
(8*1)+(7*7)+(6*8)+(5*0)+(4*4)+(3*9)+(2*6)+(1*5)=165
165 % 10 = 5
So 178049-65-5 is a valid CAS Registry Number.

178049-65-5Relevant articles and documents

Method for making a substituted benzene compound

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, (2008/06/13)

A method for making a substituted benzene compound includes reacting a 2-substituted benzenesulfonate or the 2-substituted benzenesulfonate further substituted in the 3, 4 or 5-position with a lithium compound to form an intermediate; and reacting the intermediate with an electrophile to form a 2,6-disubstituted benzenesulfonate or a 2,6-disubstituted benzenesulfonate further substituted in the 3, 4 or 5-position.

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