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149917-83-9

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149917-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149917-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,1 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149917-83:
(8*1)+(7*4)+(6*9)+(5*9)+(4*1)+(3*7)+(2*8)+(1*3)=179
179 % 10 = 9
So 149917-83-9 is a valid CAS Registry Number.

149917-83-9Downstream Products

149917-83-9Relevant articles and documents

Differentiation of Monoepoxide Isomers of Polyunsaturated Fatty Acids and Fatty Acid Esters by Low-Energy Charge Exchange Mass Spectrometry

Keough, Thomas,Mihelich, Edward D.,Eickhoff, David J.

, p. 1849 - 1852 (2007/10/02)

Low-energy charge exchange mass spectrometry is a convenient technique for the unambiguous differentiation of monoepoxide isomers of polyunsaturated fatty acids, fatty acid methyl esters, and fatty acetates.This technique eliminates multistep derivatization procedures which are typically utilized prior to characterization of these isomers with conventional electron ionization mass spectrometry.

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