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857680-60-5

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857680-60-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857680-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,8 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857680-60:
(8*8)+(7*5)+(6*7)+(5*6)+(4*8)+(3*0)+(2*6)+(1*0)=215
215 % 10 = 5
So 857680-60-5 is a valid CAS Registry Number.

857680-60-5Relevant articles and documents

A straightforward and efficiently scaleable synthesis of novel racemic 4-substituted-2,8-diazaspiro[4.5]decan-1-one derivatives

Krafft, Eva A.,Kurt, Anke,Maier, Axel,Thomas, Andrew W.,Zimmerli, Daniel

, p. 3245 - 3252 (2005)

Novel and straightforward syntheses (3-5 steps, high yields) of racemic diazaspiropiperidine derivatives based on the Michael addition of pipecolate-derived enolates to a range of nitroalkenes have been developed. The reaction has been shown to have a gen

Diaza-spiropiperidine derivatives

-

Page/Page column 10, (2010/02/12)

The present invention relates to compounds of formula wherein A-B is —CH2—CH2—, —CH2—O— or —O—CH2—; X is hydrogen or hydroxy; R1 is aryl, optionally substituted by one or two substituents selected fro

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