155694-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155694-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,9 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155694-27:
(8*1)+(7*5)+(6*5)+(5*6)+(4*9)+(3*4)+(2*2)+(1*7)=162
162 % 10 = 2
So 155694-27-2 is a valid CAS Registry Number.
155694-27-2Relevant articles and documents
A Stereoselective Synthesis of (-)-Isoiridomyrmecin. Application of the Asymmetric Aza-Claisen Rearrangement
Tsunoda, Tetsuto,Tatsuki, Shinji,Kataoka, Kazuko,Ito, Sho
, p. 543 - 546 (1994)
(-)-Isoiridomyrmecin was synthesized stereoselectively in 6 steps starting from 1-hydroxymethyl-5-methylcyclopentene and utilizing the asymmetric aza-Claisen rearrangement as a key step.