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19719-69-8

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19719-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19719-69-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,1 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19719-69:
(7*1)+(6*9)+(5*7)+(4*1)+(3*9)+(2*6)+(1*9)=148
148 % 10 = 8
So 19719-69-8 is a valid CAS Registry Number.

19719-69-8Relevant articles and documents

A versatile hexadiene synthesis by decarboxylative sp3-sp 3 coupling/cope rearrangement

Waetzig, Shelli R.,Rayabarapu, Dinesh K.,Weaver, Jimmie D.,Tunge, Jon A.

, p. 4977 - 4980 (2007/10/03)

Have it both ways: The palladium-catalyzed decarboxylative coupling of esters with two allyl groups results in kinetic allylation at a position α to electron-withdrawing groups. Tandem allylation/Cope rearrangement provides access to γ-coupling products (

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