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75731-45-2

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75731-45-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75731-45-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,3 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75731-45:
(7*7)+(6*5)+(5*7)+(4*3)+(3*1)+(2*4)+(1*5)=142
142 % 10 = 2
So 75731-45-2 is a valid CAS Registry Number.

75731-45-2Downstream Products

75731-45-2Relevant articles and documents

Process for producing 3,4′ diacetoxybenzophenone

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Page/Page column 4, (2010/08/11)

A process for producing 3,4′diacetoxybenzophenone by first synthesizing 3,4′dihydroxybenzophenone by reacting meta-hydroxybenzoic acid and phenol in the presence of a Lewis acid, and a protonic acid followed by reacting the 3,4′dihydroxybenzophenone with an acetylating agent in the presence of an inorganic acid and activated carbon.

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