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943828-20-4

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943828-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 943828-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,8,2 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 943828-20:
(8*9)+(7*4)+(6*3)+(5*8)+(4*2)+(3*8)+(2*2)+(1*0)=194
194 % 10 = 4
So 943828-20-4 is a valid CAS Registry Number.

943828-20-4Relevant articles and documents

QSAR studies and pharmacophore identification for arylsubstituted cycloalkenecarboxylic acid methyl esters with affinity for the human dopamine transporter

Christensen, Helena S.,Boye, Soren V.,Thinggaard, Jacob,Sinning, Steffen,Wiborg, Ove,Schiott, Birgit,Bols, Mikael

, p. 5262 - 5274 (2008/03/15)

Data from a series of 29 monoamine transport inhibitors were used to generate 2D and 3D QSAR models for their binding affinity to the human dopamine transporter (hDAT). Among the inhibitors were many non-nitrogen containing compounds. The 2D QSAR analysis resulted in the equation -log Ki = 4.00 - 3.93ELUMO - 0.67EHOMO - 3.24σp, which predicted the importance of electron withdrawing groups in the aromatic moiety. However, the model failed to predict the observed poor binding of nitro-substituted compounds. In contrast, a derived 3D QSAR model was capable of predicting these more correctly.

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