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69901-42-4

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69901-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69901-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,0 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 69901-42:
(7*6)+(6*9)+(5*9)+(4*0)+(3*1)+(2*4)+(1*2)=154
154 % 10 = 4
So 69901-42-4 is a valid CAS Registry Number.

69901-42-4Relevant articles and documents

Peroxy Esters. 9. Base- and Radical-Induced Decomposition of 1-Alkyl-3,5-di-tert-butyl-4-oxo-2,5-cyclohexadienyl 3,5-Di-tert-butyl-4-hydroxyperbenzoates

Nishinaga, Akira,Nakamura, Koichi,Matsuura, Teruo

, p. 3700 - 3703 (1983)

The title peroxy esters 1, when deprotonated with t-BuOK in DMF to the corresponding phenolate anions, decompose even at -78 deg C to give compounds 2-10.These compounds result undoubtedly from homolysis of the peroxy bond in 1, indicating that the generation of a carbanion at the α-position of the acyl group in peroxy esters (via resonance in the present case) induces ready homolysis of the peroxy bond.The oxidation of 1 with one-electron oxidizing agents gives rise to the corresponding phenoxy radicals, which also induce homolysis of the peroxy bond.

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