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157831-66-8

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157831-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157831-66-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,8,3 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157831-66:
(8*1)+(7*5)+(6*7)+(5*8)+(4*3)+(3*1)+(2*6)+(1*6)=158
158 % 10 = 8
So 157831-66-8 is a valid CAS Registry Number.

157831-66-8Relevant articles and documents

Potential Antimalarials. XX. Mannich Base Derivatives of 2--4-chloro(or 4- or 6-t-butyl or 4- or 5-fluoro)phenols and 4(or 6)-t-Butyl-2-(7-trifluoromethylquinolin-4-

Barlin, Gordon B.,Ireland, Stephen J.,Nguyen, Trang M. T.,Kotecka, Barbara,Rieckmann, Karl H.

, p. 1143 - 1154 (2007/10/02)

Syntheses are reported for some mono- and di-Mannich base derivatives of 4-chloro-, 3- or 4-fluoro-, or 2- or 4-t-butyl-substituted 2-(7'-chloroquinolin-4'-ylamino)phenols and 2-phenols.In te

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