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137819-60-4

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137819-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137819-60-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,8,1 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137819-60:
(8*1)+(7*3)+(6*7)+(5*8)+(4*1)+(3*9)+(2*6)+(1*0)=154
154 % 10 = 4
So 137819-60-4 is a valid CAS Registry Number.

137819-60-4Downstream Products

137819-60-4Relevant articles and documents

2β-Substituted Analogues of Cocaine. Synthesis and Inhibition of Binding to the Cocaine Receptor

Lewin, Anita H.,Gao, Yigong,Abraham, Philip,Boja, John W.,Kuhar, Michael J.,Carroll, F. Ivy

, p. 135 - 140 (2007/10/02)

The potencies of a series of 2β-substituted cocaine analogues to displace -3β-(p-fluorophenyl)tropane-2β-carboxylic acid methyl ester binding in rat striatal membranes demonstrate the requirement for a 2β-substituent with two hydrogen-bond acceptors.The insensitivity of the ester moiety to steric and electronic factors suggests its modification to provide site-specific irreversible ligands.

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