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189886-42-8

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189886-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189886-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,8 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 189886-42:
(8*1)+(7*8)+(6*9)+(5*8)+(4*8)+(3*6)+(2*4)+(1*2)=218
218 % 10 = 8
So 189886-42-8 is a valid CAS Registry Number.

189886-42-8Relevant articles and documents

Synthesis of tetrahydroquinolines, hexahydrobenzoindolizines and an aryl phosphonate linker for the generation of catalytic antibodies

Gonzalez-Bello, Concepcion,Abell, Chris,Leeper, Finian J.

, p. 1017 - 1024 (1997)

Syntheses of 6-methoxy-1-methyl-1,2,3,4-tetrahydroquinoline-3-methanol 10 and 1,2,3,5,6,10b-hexahydrobenzo[g]indolizine-6-methanol 34 are described. The aryl phosphonic acid 14, which can be used as a linker to a protein, is synthesised and coupled to the above alcohols. These haptens, when linked to a protein, are intended to generate antibodies able to catalyse cationic cyclisation reactions.

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