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203180-28-3

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203180-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203180-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,1,8 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 203180-28:
(8*2)+(7*0)+(6*3)+(5*1)+(4*8)+(3*0)+(2*2)+(1*8)=83
83 % 10 = 3
So 203180-28-3 is a valid CAS Registry Number.

203180-28-3Relevant articles and documents

Substituted 2-(R)-Methyl piperazines as muscarinic M2 selective ligands

Kozlowski, Joseph A,Zhou, Guowei,Tagat, Jayaram R.,Lin, Sue-Ing,McCombie, Stuart W.,Ruperto, Vilma B.,Duffy, Ruth A.,McQuade, Robert A.,Crosby Jr., Gordon,Taylor, Lisa A.,Billard, William,Binch III, Herbert,Lachowicz, Jean E.

, p. 791 - 794 (2007/10/03)

A novel series of 2-(R)-methyl-substituted piperazines (e.g., 2) is described. They are potent M2 selective ligands that have > 100-fold selectivity versus the M1 receptor. In the rat microdialysis assay, compound 14 showed significantly enchanced levels of acetylcholine after oral administration.

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