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401916-90-3

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401916-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 401916-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,9,1 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 401916-90:
(8*4)+(7*0)+(6*1)+(5*9)+(4*1)+(3*6)+(2*9)+(1*0)=123
123 % 10 = 3
So 401916-90-3 is a valid CAS Registry Number.

401916-90-3Relevant articles and documents

Olefins turned alkylating agents: Diastereoselective intramolecular Zr-catalyzed olefin alkylations

Cesati III, Richard R.,De Armas, Judith,Hoveyda, Amir H.

, p. 395 - 398 (2007/10/03)

(Equation Presented) 62% yield; 12 : 1 syn : anti The first examples of intramolecular Zr-catalyzed electrophilic alkylation of aryl olefins are disclosed. Substituted carbo-and heterocycles are prepared efficiently and diastereoselectively.

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