72187-10-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72187-10-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,8 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72187-10:
(7*7)+(6*2)+(5*1)+(4*8)+(3*7)+(2*1)+(1*0)=121
121 % 10 = 1
So 72187-10-1 is a valid CAS Registry Number.
72187-10-1Relevant articles and documents
The Structure of Thalibrunine, a Reinvestigation and Revision
Wu, Jinn,Beal, Jack L.,Doskotch, Raymond W.
, p. 208 - 212 (2007/10/02)
Evidence is presented that thalibrunine has structure 2 and is the 2'-hydroxy derivative of hernandezine.Ceric ammonium nitrate oxidation of thalibrunine acetate (3) gave 2-methoxy-4-acetoxy-4',5-diformyldiphenyl ether (6), which was also prepared synthet