129145-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129145-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,4 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129145-23:
(8*1)+(7*2)+(6*9)+(5*1)+(4*4)+(3*5)+(2*2)+(1*3)=119
119 % 10 = 9
So 129145-23-9 is a valid CAS Registry Number.
129145-23-9Relevant articles and documents
Stereoselective synthesis of artemisinin
Ravindranathan,Kumar, M. Anil,Menon, Rani B.,Hiremath
, p. 755 - 758 (1990)
A stereoselective synthesis of artemisinin 11 based on intramolecular Diels-Alder reaction of the triene 4 derived from (+)isolimonene 2 is described.
