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79769-71-4

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79769-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79769-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,6 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79769-71:
(7*7)+(6*9)+(5*7)+(4*6)+(3*9)+(2*7)+(1*1)=204
204 % 10 = 4
So 79769-71-4 is a valid CAS Registry Number.

79769-71-4Downstream Products

79769-71-4Relevant articles and documents

Regioselective Alkylation of Anthrahydroquinone and Anthrone in Water with Quinonemethides and Other Alkylating Agents

Dimmel, Donald R.,Shepard, Donaline

, p. 22 - 29 (2007/10/02)

Antrahydroquinone (AHQ) and anthrone are alkylated in the C10 position by quinonemethides, generated in situ from p-acetoxybenzyl chlorides, to give adducts 13-15, 24, 25, 28, 29, and 32.Aqueous alkylations of AHQ with methyl vinyl ketone, cinnamaldehyde, and benzyl chloride also produces C10-substituted 10-hydroxyanthrones.Simple ketones and aldehydes do not, however, alkylate AHQ in aqueous alkali.

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