117776-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117776-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,7 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117776-83:
(8*1)+(7*1)+(6*7)+(5*7)+(4*7)+(3*6)+(2*8)+(1*3)=157
157 % 10 = 7
So 117776-83-7 is a valid CAS Registry Number.
117776-83-7Relevant academic research and scientific papers
Zinc/Acid Reduction of 2,3,4,5-Tetraalkylpyrroles
Anderson-McKay, Janet E.,Lawlor, John M.
, p. 1013 - 1024 (2007/10/02)
The stereo- and regio-chemical course of the zinc/acid reduction of C-tetraalkylpyrroles to pyrrolines and pyrrolidines is strongly influenced by experimental conditions, especially the acidity and the nature of the N-substituent
