119990-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119990-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,9,9 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 119990-61:
(8*1)+(7*1)+(6*9)+(5*9)+(4*9)+(3*0)+(2*6)+(1*1)=163
163 % 10 = 3
So 119990-61-3 is a valid CAS Registry Number.
119990-61-3Relevant articles and documents
STEREOSELECTIVE ROUTE TO N-METHYL-2,3-CIS-DISUBSTITUTED PIPERIDINES
Neeson, S. J.,Stevenson, P. J.
, p. 3993 - 3996 (2007/10/02)
A new stereo-selective route to cis-disubstituted piperidines is presented in which the key step is a Stevens rearrangement with ring contraction.