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31009-94-6

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31009-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31009-94-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,0 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31009-94:
(7*3)+(6*1)+(5*0)+(4*0)+(3*9)+(2*9)+(1*4)=76
76 % 10 = 6
So 31009-94-6 is a valid CAS Registry Number.

31009-94-6Relevant articles and documents

Unexpected formation of new bicyclic γ-lactams by dimerization of α-chloroacetoacetanilides

Han, Minsoo,Nam, Kee-Dal,Hahn, Hoh-Gyu,Shin, Dongyun

, p. 5217 - 5219 (2008/12/20)

Novel and unusual dimerization reaction of α-chloroacetoacetanilide under basic reaction condition to give structurally unique 6-oxa-3-azabicyclo[3.1.0]hexane was described.

Structure elucidation of N-aryl-2-chloro-3-oxobutanamides with respect to intra- and intermolecular hydrogen bonding

Frohberg, Petra,Drutkowski, Guntram,Wagner, Christoph,Lichtenberger, Olaf

, p. 13 - 14 (2007/10/03)

In general, N-aryl-2-chloro-3-oxobutanamides form in solid state an intermolecular hydrogen bond between the anilide hydrogen and the anilide carbonyl oxygen of a neighbouring molecule, which is disrupted in solution. An intramolecular association could not be detected.

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