158634-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158634-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,6,3 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 158634-17:
(8*1)+(7*5)+(6*8)+(5*6)+(4*3)+(3*4)+(2*1)+(1*7)=154
154 % 10 = 4
So 158634-17-4 is a valid CAS Registry Number.
158634-17-4Relevant academic research and scientific papers
A short, enantioselective synthesis of (-)-epilupinine from proline via a spirocyclic ammonium ylide
Naidu,West
, p. 16565 - 16574 (2007/10/03)
Diazoketone 5b, available in one step from proline benzyl ester, underwent conversion to quinolizidine 8b with high diastereoselectivity (19:1 8b/7b) and in surprisingly high enantiomeric excess (75%). The key step presumably occurs via spirocyclic ylide
