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134219-71-9

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134219-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134219-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,1 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134219-71:
(8*1)+(7*3)+(6*4)+(5*2)+(4*1)+(3*9)+(2*7)+(1*1)=109
109 % 10 = 9
So 134219-71-9 is a valid CAS Registry Number.

134219-71-9Relevant articles and documents

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Platoshkin,A.M. et al.

, (1971)

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Bidentate and tetradentate β-aminovinyl trifluoromethylated ketones and their copper(II) complexes: Synthesis, characterization and redox chemistry

Chopin, Nicolas,Medebielle, Maurice,Pilet, Guillaume

experimental part, p. 1093 - 1103 (2012/04/23)

New polyfunctional bidentate and tetradentate trifluoromethylated enaminone ligands that bear redox-active and photosensitive moieties were synthesized in moderate to good yields and their coordination chemistry with copper(II) was examined. The crystal s

A new method for the synthesis of CF3-containing aminovinyl ketones

Krasovsky,Nenajdenko,Balenkova

, p. 1395 - 1400 (2007/10/03)

A new method for the synthesis of aminovinyl trifluoroinethyl ketones was developed. The method is based on the reactions of 4-sulfonyl-1,1,1-trifluorobut-3-ene-2,2-diols with various alkyl-, aryl-, dialkyl-, and alkylarylamines. The stereochemistry of the compounds obtained was studied.

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