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31120-55-5

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31120-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31120-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,2 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 31120-55:
(7*3)+(6*1)+(5*1)+(4*2)+(3*0)+(2*5)+(1*5)=55
55 % 10 = 5
So 31120-55-5 is a valid CAS Registry Number.

31120-55-5Downstream Products

31120-55-5Relevant articles and documents

A kinetic study of the base-catalyzed dimerization of 5(4H)-oxazolones

Mazurkiewicz,Pierwocha,Fryczkowska

, p. 113 - 121 (2007/10/03)

The effects of the substituent at position-2 and kind of the base on the rate of the base-catalyzed dimerization of 5(4H)-oxazolones have been investigated. The electrondonating and strong steric effect of the substituent at position-2 reduce markedly the proclivity of 5(4H)-oxazolones to dimerization. The following catalytic activity sequence of the bases has been found: DBU >> Et3N > (i-Pr)2EtN.

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