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81327-24-4

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81327-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81327-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,2 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81327-24:
(7*8)+(6*1)+(5*3)+(4*2)+(3*7)+(2*2)+(1*4)=114
114 % 10 = 4
So 81327-24-4 is a valid CAS Registry Number.

81327-24-4Downstream Products

81327-24-4Relevant articles and documents

NUCLEOPHILIC SUBSTITUTION OF 4-CHLOROQUINOLINE 1-OXIDE AND RELATED COMPOUNDS BY MEANS OF HYDRIDE ELIMINATION

Hamana, Masatomo,Iwasaki, Genji,Saeki, Seitaro

, p. 177 - 181 (2007/10/02)

The reaction of 4-chloroquinoline 1-oxide (1) with pinacolone and t-BuOK in t-BuNH2 at -10 ca. -15 deg C gives 4-chloro-2-pinacolylquinoline 1-oxide in good yield by means of hydride-elimination.Similar reactions of 1 with acetone, 2-butanone, acetophenone, and ethyl and t-butyl acetates occur when treated with t-BuOK or n-BuLi in t-BuNH2 at -10 ca. -15 deg C, or t-BuOK, KNH2 or NaNH2 in liq NH3 at -70 deg C.Reactions of this type proceed also with quinoline 1-oxide (2), 3-bromoquinoline 1-oxide (3), p-chloronitrobenzene (4) and nitrobenzene.

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