113849-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113849-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,8,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113849-91:
(8*1)+(7*1)+(6*3)+(5*8)+(4*4)+(3*9)+(2*9)+(1*1)=135
135 % 10 = 5
So 113849-91-5 is a valid CAS Registry Number.
113849-91-5Relevant articles and documents
PYRROLOPIPERIDINES
Borisova, T. N.,Varalmov, A. V.,Sergeeva, N. D.,Soldatenkov, A. T.,Zvolinskii, O. V.,et. al.
, p. 799 - 803 (2007/10/02)
The heterocyclization reaction of oximes derived from aliphatic ketones with acetylene has been applied to piperidone oximes.Pyrrolepiperidines substituted on the six-membered ring have been prepared in this manner.Assumptions have been made concer