156413-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156413-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,1 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156413-05:
(8*1)+(7*5)+(6*6)+(5*4)+(4*1)+(3*3)+(2*0)+(1*5)=117
117 % 10 = 7
So 156413-05-7 is a valid CAS Registry Number.
156413-05-7Relevant articles and documents
Evaluation of a synthetic route to ε-viniferin based on a new method for the stereoselective preparation of 2,3-diaryl-2,3-dihydrobenzofurans
Engler, Thomas A.,Draney, Bill W.,Gfesser, Gregory A.
, p. 1661 - 1664 (2007/10/02)
Lewis acid-promoted reactions of unsymmetrically substituted (E)-stilbenes with 2-methoxy-1,4-benzoquinones regio- and stereoselectively produce trans 2,3-diaryl-2,3-dihydrobenzofurans.