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7015-01-2

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7015-01-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7015-01-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,1 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7015-01:
(6*7)+(5*0)+(4*1)+(3*5)+(2*0)+(1*1)=62
62 % 10 = 2
So 7015-01-2 is a valid CAS Registry Number.

7015-01-2Relevant articles and documents

Silicon-Directed Nazarov Reactions II. Preparation and Cyclization of β-Silyl-substituted Divinyl Ketones

Jones, Todd K.,Denmark, Scott E.

, p. 2377 - 2396 (2007/10/02)

Two general methods for the preparation of β-silyl-substituted divinyl ketones have been developed starting from either α,β-unsaturated aldehydes or simple ketones.Anhydrous FeCl3 induces the cyclization to cyclopentenones under mild conditions and in good yields with predictable and complete control over the position of the double bond in the five-membered ring.The observed effects of substituents on rate can be explained by a rate-determining cationic electrocyclization.Silyl substitution has been shown to retard the reaction.

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