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119143-41-8

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119143-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119143-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,1,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 119143-41:
(8*1)+(7*1)+(6*9)+(5*1)+(4*4)+(3*3)+(2*4)+(1*1)=108
108 % 10 = 8
So 119143-41-8 is a valid CAS Registry Number.

119143-41-8Downstream Products

119143-41-8Relevant articles and documents

Regioselectivity and stereoselectivity of dioxygenase catalysed cis-dihydroxylation of mono- and tri-cyclic azaarene substrates

Boyd, Derek R.,Sharma, Narain D.,Coen, Gerard P.,Hempenstall, Francis,Ljubez, Vera,Malone, John F.,Allen, Christopher C. R.,Hamilton, John T. G.

experimental part, p. 3957 - 3966 (2009/06/27)

cis-Dihydrodiol metabolites were obtained from dioxygenase-catalysed asymmetric dihydroxylations of five monocyclic (azabiphenyl) and four tricyclic (azaphenanthrene) azaarene substrates. Enantiopurity values and absolute configuration assignments were determined using a combination of stereochemical correlation, X-ray crystallography and spectroscopy methods. The degree of regioselectivity found during cis-dihydroxylation of monocyclic azaarenes (2,3 bond >> 3,4 bond) and of tricyclic azaarenes (bay region > non-bay region bonds) was dependent on the type of dioxygenase used. The cis-dihydrodiol metabolite from an azaarene (3-phenylpyridine) was utilised in the chemoenzymatic synthesis of the corresponding trans-dihydrodiol. The 2008 Royal Society of Chemistry.

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