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64432-53-7

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64432-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64432-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,4,3 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64432-53:
(7*6)+(6*4)+(5*4)+(4*3)+(3*2)+(2*5)+(1*3)=117
117 % 10 = 7
So 64432-53-7 is a valid CAS Registry Number.

64432-53-7Relevant articles and documents

Nickel-Catalyzed Favorskii-Type Rearrangement of Cyclobutanone Oxime Esters to Cyclopropanecarbonitriles

Shuai, Bin,Fang, Ping,Mei, Tian-Sheng

, p. 1637 - 1641 (2021)

A nickel-catalyzed base-promoted rearrangement of cyclobutanone oxime esters to cyclopropanecarbonitriles was developed. The ring opening of cyclobutanone oxime esters occurs at the sterically less hindered side. A base-promoted nickelacyclobutane intermediate, formed in situ, is assumed to be involved in the formation of the product.

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