146072-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146072-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,0,7 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146072-33:
(8*1)+(7*4)+(6*6)+(5*0)+(4*7)+(3*2)+(2*3)+(1*3)=115
115 % 10 = 5
So 146072-33-5 is a valid CAS Registry Number.
146072-33-5Relevant articles and documents
Synthesis of Amido-ureas and the Nature of Caracasanamide, the Hypotensive Principle of Verbesina caracasana
Crombie, Leslie,Jarrett, Sandra R. M.
, p. 3179 - 3184 (2007/10/02)
Syntheses of the (E)-1 and (Z)-2 forms of 1-(3-methylbut-2-enyl)-3-(4-butyl)urea, proposed structures for the natural hypotensive caracasanamide, have been carried out.The compounds were found not to be identical wit