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64149-65-1

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64149-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64149-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,1,4 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64149-65:
(7*6)+(6*4)+(5*1)+(4*4)+(3*9)+(2*6)+(1*5)=131
131 % 10 = 1
So 64149-65-1 is a valid CAS Registry Number.

64149-65-1Relevant articles and documents

Bond Fixation in Annulenes. 8. Assessment of the Ring Inversion and Bond Shifting Barriers in 1,2,3-trimethylcyclooctatetraene. Resolution, Absolute Configuration and Circular Dichroism Behavior of an Annulene Hydrocarbon

Paquette, Leo A.,Gardlik, John M.

, p. 5016 - 5025 (2007/10/02)

A synthesis of racemic 1,2,3-trimethylcyclooctatetraene (13) based upon the expectation that 1,7,8-trimethylbicycloocta-2,4,7-triene (12) would open disrotatorily under orbital symmetry control was realized.This annulene demonstrated a ready pro

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