111947-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111947-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,4 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111947-56:
(8*1)+(7*1)+(6*1)+(5*9)+(4*4)+(3*7)+(2*5)+(1*6)=119
119 % 10 = 9
So 111947-56-9 is a valid CAS Registry Number.
111947-56-9Relevant articles and documents
Dianion of N-Phenyl-2-propenamide as a Versatile Reagent for the Preparation of α-Methylene Carbonyl Compounds
Tanaka, Kazuhiko,Horiuchi, Hiroshi,Yoda, Hidemi
, p. 63 - 70 (2007/10/02)
A general synthetic route to α-methylene β-lactams is described that involves the regioselective electrophilic substitution of the dianion 2 generated from N-phenyl-2-propenamide (1).A convergent synthesis of conocandin N-phenylami
