187161-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187161-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,1,6 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 187161-51:
(8*1)+(7*8)+(6*7)+(5*1)+(4*6)+(3*1)+(2*5)+(1*1)=149
149 % 10 = 9
So 187161-51-9 is a valid CAS Registry Number.
187161-51-9Relevant academic research and scientific papers
Synthesis of 12-O-methyl-2a-methoxyferruginol
Burnell, Robert H.,Desfosses, Sonia
, p. 355 - 360 (2007/10/03)
A rapid synthesis of 12-O-methyl-2-methoxyferruginol (1) shows it not to be identical with the natural product ascribed this structure.