229017-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229017-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,0,1 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 229017-40:
(8*2)+(7*2)+(6*9)+(5*0)+(4*1)+(3*7)+(2*4)+(1*0)=117
117 % 10 = 7
So 229017-40-7 is a valid CAS Registry Number.
229017-40-7Relevant articles and documents
Total syntheses of (±)-cherylline and (±)-latifine
Couture, Axel,Deniau, Eric,Lebrun, Stephane,Grandclaudon, Pierre
, p. 789 - 794 (2007/10/03)
A new total synthesis of the two phenolic alkaloids (±)-cherylline 1 and (±)-latifine-2 isolated from Crinum species is described. The two key steps in the elaboration of these natural products are an anionic variant of the Fries rearrangement which gives