658713-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 658713-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,7,1 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 658713-57:
(8*6)+(7*5)+(6*8)+(5*7)+(4*1)+(3*3)+(2*5)+(1*7)=196
196 % 10 = 6
So 658713-57-6 is a valid CAS Registry Number.
658713-57-6Relevant articles and documents
Stereoselective total synthesis of the nonenolide (+)-microcarpalide
Banwell, Martin G.,Loong, David T. J.
, p. 713 - 734 (2007/10/03)
The enantiomer [(+)-1] of the nonenolide natural product microcarpalide [(-)-1] has been prepared from (S)-malic acid (3) and 3-decyn-1-ol (11) via a sixteen step sequence involving, inter alia, two metathesis processes.
