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127248-86-6

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127248-86-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127248-86-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,4 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127248-86:
(8*1)+(7*2)+(6*7)+(5*2)+(4*4)+(3*8)+(2*8)+(1*6)=136
136 % 10 = 6
So 127248-86-6 is a valid CAS Registry Number.

127248-86-6Relevant articles and documents

Kinetische Untersuchungen zur Methanolyse von Acetalen

Claus, P.,Berndt, T.,Scherzer, K.

, p. 1205 - 1216 (2007/10/02)

It has been shown that the acid-catalyzed methanolysis of the diethylacetales RCH(OEt)2 of acetaldehyde (R=CH3), propionaldehyde (R = C2H5), butyraldehyde (R = C3H7) and caprylaldehyde (R = C7H15) at temperatures between 283 and 318 K proceeds as a consecutive reaction involving a reversible second step.The pseudo first order rate constants of the three reaction steps, their activation parameters and equilibrium constants were estimated by measuring the concentration-time-curves of starting product, intermediate and final product and using a large excess of methanol.There is a linear dependence be tween rate constants of methanolysis and concentration of the catalyst.

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