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4831-62-3

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4831-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4831-62-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,3 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4831-62:
(6*4)+(5*8)+(4*3)+(3*1)+(2*6)+(1*2)=93
93 % 10 = 3
So 4831-62-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H9N2O3/c1-7-6-10(12(14)15)8-4-2-3-5-9(8)11(7)13/h2-7H,1H3/q+1

4831-62-3Relevant articles and documents

Synthesis method of 4-aminoquinaldine

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, (2018/09/08)

The invention relates to a synthesis method of 4-aminoquinaldine. The invention discloses the synthesis method of the 4-aminoquinaldine; the method comprises the following steps: enabling 2-methyl quinoline, taken as a starting raw material, to be subjected to a hydrogen peroxide oxidation reaction in acetic acid so as to generate 2-methylquinoline N-oxide; then, carrying out a nitration reactionto generate 2-methyl-4-nitroquinoline N-oxide; after that, illuminating for carrying out a reaction to generate 2-methyl-4-nitroquinoline; producing 2-methyl-4-aminoquinoline N-oxide by means of interaction of ferric trichloride hexahydrate and hydrazine hydrate in ethanol; finally, carrying out a reduction reaction by using iron powder under the action of acetic acid so as to generate the 4-aminoquinaldine. The synthesis method provided by the invention has the beneficial effects that the used raw materials and reagents are low in price and easy to obtain, the synthesis method is simple and feasible, the reaction conditions are mild, and a simple and convenient synthetic route is opened up to the synthesis of the 4-aminoquinaldine.

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