1332699-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1332699-71-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,2,6,9 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1332699-71:
(9*1)+(8*3)+(7*3)+(6*2)+(5*6)+(4*9)+(3*9)+(2*7)+(1*1)=174
174 % 10 = 4
So 1332699-71-4 is a valid CAS Registry Number.
1332699-71-4Relevant articles and documents
Novel approach to the lundurine alkaloids: Synthesis of the tetracyclic core
Orr, Suvi T.M.,Tian, Jianhua,Niggemann, Meike,Martin, Stephen F.
, p. 5104 - 5107 (2011/12/15)
The tetracyclic core of the lundurine family of alkaloids has been synthesized by a novel approach that features a double ring-closing olefin metathesis to form the five-and eight-membered rings.