111537-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111537-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,3 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111537-70:
(8*1)+(7*1)+(6*1)+(5*5)+(4*3)+(3*7)+(2*7)+(1*0)=93
93 % 10 = 3
So 111537-70-3 is a valid CAS Registry Number.
111537-70-3Relevant articles and documents
A STEREOSPECIFIC SYNTHESIS OF (+/-)-PERFORENONE
Majetich, George,Ringold, Clay
, p. 271 - 275 (2007/10/02)
The total synthesis of (+/-)-perforenone is reported featuring an intramolecular Sakurai reaction to construct the bicyclic skeleton.
