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49578-22-5

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49578-22-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49578-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,5,7 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 49578-22:
(7*4)+(6*9)+(5*5)+(4*7)+(3*8)+(2*2)+(1*2)=165
165 % 10 = 5
So 49578-22-5 is a valid CAS Registry Number.

49578-22-5Downstream Products

49578-22-5Relevant articles and documents

SYNTHESIS OF 1,2-DISUBSTITUTED BENZENES AND BIPHENYLS FROM PHTHALIC ACIDS THROUGH ELECTROREDUCTION FOLLOWED BY ELECTROCYCLIC REACTIONS WITH ALKYNES

Ohno, Toshinobu,Ozaki, Masato,Inagaki, Atsuro,Hirashima, Tsuneaki,Nishiguchi, Ikuzo

, p. 2629 - 2632 (1993)

Various substituted 1,2-dihydrophthalic acids were synthesized by electroreduction of phthalic acids in excellent yields.The electrocyclic reaction of 1,2-dihydrophthalic acids or the methyl ester with alkynes gave 1,2-disubstituted benzenes and biphenyls in good yields together with fumaric acid or methyl fumarate.

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