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56625-34-4

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56625-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56625-34-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,2 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56625-34:
(7*5)+(6*6)+(5*6)+(4*2)+(3*5)+(2*3)+(1*4)=134
134 % 10 = 4
So 56625-34-4 is a valid CAS Registry Number.

56625-34-4Relevant articles and documents

Mechanistically diverse copper-, silver-, and gold-catalyzed acyloxy and phosphatyloxy migrations: Efficient synthesis of heterocycles via cascade migration/cycloisomerization approach

Schwier, Todd,Sromek, Anna W.,Yap, Dahrika M. L.,Chernyak, Dmitri,Gevorgyan, Vladimir

, p. 9868 - 9878 (2008/03/12)

A set of cycloisomerization methodologies of alkynyl ketones and imines with concurrent acyloxy, phosphatyloxy, or sulfonyloxy group migration, which allow for the efficient synthesis of multisubstituted furans and N-fused heterocycles, has been developed

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