693780-50-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693780-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,7,8 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 693780-50:
(8*6)+(7*9)+(6*3)+(5*7)+(4*8)+(3*0)+(2*5)+(1*0)=206
206 % 10 = 6
So 693780-50-6 is a valid CAS Registry Number.
693780-50-6Relevant articles and documents
Synthesis of heliannuol D, an allelochemical from Helianthus annus
Sabui, Subir K.,Venkateswaran, Ramanathapuram V.
, p. 983 - 985 (2004)
A synthesis of heliannuol D 1 is described involving regioselective oxidation of the benzoxabicyclo[3.2.1]octanone 20 followed by hydrogenolysis to generate the benzoxepane ring system of 1.