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76457-08-4

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76457-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76457-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,4,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76457-08:
(7*7)+(6*6)+(5*4)+(4*5)+(3*7)+(2*0)+(1*8)=154
154 % 10 = 4
So 76457-08-4 is a valid CAS Registry Number.

76457-08-4Downstream Products

76457-08-4Relevant articles and documents

Riessert Compound Studies.XXXV. Acid-Catalyzed Condensations of the Phtalazine Reissert Compound and Condensations of Phthalazine Reissert Compound Salt

Bhattacharjee, D.,Popp, F. D.

, p. 1035 - 1040 (2007/10/02)

The phtalazine Reissert compound hydrofluoroborate undergoes condensation with alkynes to give pyrrolophthalazines and with alkenes to give 2(1-phthalazyl)pyrroles.The phthalazine Reissert compound undergoes acid catalyzed condensations with some alkenes but the intermediate is of sufficient stability to be isolated.This type of intermediate can also be isolated in the acid-catalyzed hydrolysis of the phthalazine Reissert compound.

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