90609-90-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90609-90-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,0 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90609-90:
(7*9)+(6*0)+(5*6)+(4*0)+(3*9)+(2*9)+(1*0)=138
138 % 10 = 8
So 90609-90-8 is a valid CAS Registry Number.
90609-90-8Relevant articles and documents
Enantioselective Synthesis of 2,2',6-Trisubstituted Biphenyls
Meyers, A. I.,Himmelsbach, Richard J.
, p. 682 - 685 (2007/10/02)
A general procedure is described for the synthesis of chiral biphenyls via nucleophilic aromatic substitution of an o-methoxy group by an aryl Grignard reagent with an oxazoline as a chiral auxiliary.
