143771-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143771-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143771-09:
(8*1)+(7*4)+(6*3)+(5*7)+(4*7)+(3*1)+(2*0)+(1*9)=129
129 % 10 = 9
So 143771-09-9 is a valid CAS Registry Number.
143771-09-9Relevant articles and documents
Expedient syntheses of indolizidines (-)-167B and (-)-209D
Kim, Guncheol,Lee, Eun-ju
, p. 2073 - 2076 (2007/10/03)
Indolizidine alkaloids (-)-167B and (-)-209D were synthesized via an expedient route using hydroacylation and amination.