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742013-48-5

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742013-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 742013-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,1 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 742013-48:
(8*7)+(7*4)+(6*2)+(5*0)+(4*1)+(3*3)+(2*4)+(1*8)=125
125 % 10 = 5
So 742013-48-5 is a valid CAS Registry Number.

742013-48-5Downstream Products

742013-48-5Relevant articles and documents

Novel Tetracyclic Spiropiperidines. II. Synthesis of 2-Aryl-2,3-dihydrospiro

Ong, Helen H.,Agnew, Marc N.

, p. 815 - 820 (2007/10/02)

A series of 2-aryl-2,3-dihydrospiro has been synthesized as potential psychotropic agents via an efficient intramolecular fluorine displacement reaction.Treatment of a key intermediate, 4-cyano-4-(2-fluorophenyl)-1-methylpiperidine (2), with a large excess of phenylmagnesium bromide in refluxing tetrahydrofuran led to some 2-arylspiro derivatives, 10 and 11, whose structures are elucidated on the basis of chemical and spectral evidence.

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