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1269766-21-3

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1269766-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269766-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,7,6 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1269766-21:
(9*1)+(8*2)+(7*6)+(6*9)+(5*7)+(4*6)+(3*6)+(2*2)+(1*1)=203
203 % 10 = 3
So 1269766-21-3 is a valid CAS Registry Number.

1269766-21-3Relevant articles and documents

Hammett analysis of a family of carbene-carbene complex equilibria

Wang, Lei,Moss, Robert A.,Thompson, Jack,Krogh-Jespersen, Karsten

supporting information; scheme or table, p. 1198 - 1201 (2011/04/27)

p-X-substituted phenylchlorocarbenes (X = NO2, CF3, Cl, H, Me, and MeO) form π-type complexes with trimethoxybenzene in pentane. The carbenes and complexes are in equilibrium, and logarithms of the measured equilibrium constants are well correlated by Hammett σp constants with ρ = 2.48. The carbene complexes are characterized by UV-vis spectroscopy, and computational analysis is afforded by DFT calculations.(Figure Presented)

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