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74732-75-5

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74732-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74732-75-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,3 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74732-75:
(7*7)+(6*4)+(5*7)+(4*3)+(3*2)+(2*7)+(1*5)=145
145 % 10 = 5
So 74732-75-5 is a valid CAS Registry Number.

74732-75-5Downstream Products

74732-75-5Relevant articles and documents

A New Route to 5-Substituted Resorcinols and Related Systems

Jaxa-Chamiec, Albert A.,Sammes, Peter G.,Kennewell, Peter D.

, p. 170 - 175 (2007/10/02)

Michael-type additions of phenylsulphinylacetate esters to αβ-unsaturated ketones produce cyclohexane-1,3-dione derivatives, which, after thermal elimination of benzenesulphenic acid, give the corresponding 5-substituted resorcinols, such as olivetol.The scope of this entry into other aromatic systems, such as 3,5-disubstituted and 2,3,5-trisubstituted phenols and orsellinic acid has been explored.

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