81667-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81667-69-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,6 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81667-69:
(7*8)+(6*1)+(5*6)+(4*6)+(3*7)+(2*6)+(1*9)=158
158 % 10 = 8
So 81667-69-8 is a valid CAS Registry Number.
81667-69-8Relevant academic research and scientific papers
THE INTRAMOLECULAR DIELS-ALDER REACTION: STEREOCONTROL THROUGH NONSYNCHRONOUS BOND FORMATION ?
Taber, Douglass F.,Campbell, Carlton,Gunn, Bruce P.,Chiu, I-Ching
, p. 5141 - 5144 (2007/10/02)
Nonsynchronous bond formation in the transition state of the intramolecular Diels-Alder reaction is suggested to be an important determinant of the stereochemical outcome of the cyclisation.
