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54458-95-6

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54458-95-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54458-95-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,5 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54458-95:
(7*5)+(6*4)+(5*4)+(4*5)+(3*8)+(2*9)+(1*5)=146
146 % 10 = 6
So 54458-95-6 is a valid CAS Registry Number.

54458-95-6Relevant articles and documents

Factors Governing and Application of the Cope Rearrangement of 3,3-Dicyano-1,5-dienes and Related Studies

Fereyduni, Ehsan,Grenning, Alexander J.

, p. 4130 - 4133 (2017)

Cope and co-workers reported the [3,3] rearrangement of 3,3-dicyano-1,5-dienes in the early 1940s ( The Cope rearrangement ). However, these original substrates have remained largely unstudied until recently. Herein we explore styrene-deconjugating Cope rearrangements, a diastereoselective Cope rearrangement/deconjugative α-allylation sequence, and factors governing α- vs γ-allylation regioselectivity of Knoevenagel adduct allyl anions. Ultimately, these studies result in the synthesis of diverse and functionally dense polycycloalkane frameworks from abundant reagents using simple chemistry.

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