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42835-96-1

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42835-96-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42835-96-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,3 and 5 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42835-96:
(7*4)+(6*2)+(5*8)+(4*3)+(3*5)+(2*9)+(1*6)=131
131 % 10 = 1
So 42835-96-1 is a valid CAS Registry Number.

42835-96-1Relevant articles and documents

Synthesis of Quinolines and 2H-Dihydropyrroles by Nucleophilic Substitution at the Nitrogen Atom of Oxime Derivatives

Kitamura, Mitsuru,Yoshida, Masayuki,Kikuchi, Takashi,Narasaka, Koichi

, p. 2415 - 2426 (2007/10/03)

Isomerization of oxime derivatives was researched in detail to find out the methods for the syn-anti isomerization of O-substituted oximes. Based on these findings were developed simple methods for the preparation of aza-heterocycles from both stereoisomers of oximes. Quinolines were synthesized from β-aryl ketone oximes by treatment with trifluoroacetic anhydride and 4-chloranil. γ,δ-Unsaturated O-methoxyacetyloximes were transformed to 2H-dihydropyrroles by reaction with methoxy-acetic acid.

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