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1416570-57-4

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1416570-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416570-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,5,7 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1416570-57:
(9*1)+(8*4)+(7*1)+(6*6)+(5*5)+(4*7)+(3*0)+(2*5)+(1*7)=154
154 % 10 = 4
So 1416570-57-4 is a valid CAS Registry Number.

1416570-57-4Relevant articles and documents

Diastereoselective intramolecular carbamoylketene/alkene [2 + 2] cycloaddition: Enantioselective access to pyrrolidinoindoline alkaloids

Araki, Takaaki,Ozawa, Tsukasa,Yokoe, Hiromasa,Kanematsu, Makoto,Yoshida, Masahiro,Shishido, Kozo

, p. 200 - 203 (2013/03/28)

A novel and highly diastereoselective intramolecular carbamoylketene/alkene [2 + 2] cycloaddition has been developed, and the methodology was successfully applied to the enantioselective syntheses of (-)-esermethole and Takayama's intermediate for (+)-psychotrimine.

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