194141-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194141-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,1,4 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 194141-77:
(8*1)+(7*9)+(6*4)+(5*1)+(4*4)+(3*1)+(2*7)+(1*7)=140
140 % 10 = 0
So 194141-77-0 is a valid CAS Registry Number.
194141-77-0Relevant articles and documents
Enantioselective Total Syntheses of Indolizidine Alkaloids 167B and 209D
Polniaszek, Richard P.,Belmont, Stephen E.
, p. 4688 - 4693 (2007/10/02)
Enantioselective total syntheses of the indolizidine alkaloids 167B and 209D are described.The sytheses proceed via a common late-stage intermediate, amino nitrile 8.Each alkaloid was prepared in 10 steps and approximately 23percent overall yield from (S)