136463-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136463-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 136463-81:
(8*1)+(7*3)+(6*6)+(5*4)+(4*6)+(3*3)+(2*8)+(1*1)=135
135 % 10 = 5
So 136463-81-5 is a valid CAS Registry Number.
136463-81-5Relevant articles and documents
The Use of 3-Alkyl-2,4-Diketopiperidines in Asymmetric Michael Additions
Ambroise, Lydia,Chassagnard, Claude,Revial, Gilbert,d'Angelo, Jean
, p. 407 - 410 (2007/10/02)
Chiral enamine 12, derived from 2,4-diketopiperidine 11 added to methyl acrylate, leading, after hydrolytic work-up to adduct 15 (94percent stereoselectivity).