89100-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89100-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,0 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89100-41:
(7*8)+(6*9)+(5*1)+(4*0)+(3*0)+(2*4)+(1*1)=124
124 % 10 = 4
So 89100-41-4 is a valid CAS Registry Number.
89100-41-4Relevant articles and documents
STEREOCHEMISTRY IN THE CYCLIZATION OF o-AZIDOPHENYLALKENES TO INDOLES
Smith, P. A. S.,Rowe, C. D.r.,Hansen, D. W. Jr.
, p. 5169 - 5172 (1983)
Cis- and trans-o-azidostilbene, o-azido-β-methylstilbene, and (Z)-o-azido-β-deuteriostyrene give indoles on thermolysis by a mechanism involving attack by a nitrene directly on the β carbon atom, and not by insertion.