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140176-75-6

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140176-75-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140176-75-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,7 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140176-75:
(8*1)+(7*4)+(6*0)+(5*1)+(4*7)+(3*6)+(2*7)+(1*5)=106
106 % 10 = 6
So 140176-75-6 is a valid CAS Registry Number.

140176-75-6Downstream Products

140176-75-6Relevant articles and documents

Spectroscopic Evidence for a Spirooxirane Intermediate in the Synthesis of 4-(Hydroxymethyl)-2-thiazole

Johnson, Ross A.,Moder, Kenneth P.,Ward, Timothy L.

, p. 2869 - 2872 (1992)

The synthesis of 4-(hydroxymethyl)thiazole derivatives from the corresponding 4-(chloromethyl)-4-hydroxythiazole derivatives have been speculated to proceed through spirooxirane intermediates.NMR spectroscopy was used to provide evidence for the existence of such an intermediate in the synthesis of 4-(hydroxymethyl)-2-thiazole.Experimental conditions for the optimum formation and stabilization of a suspect intermediate were determined and spectral data obtained to support the speculated structure.Comparison were made between couplings constants predicted in molecular models and the experimental data.

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