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1-Oxy-quinoline-2,3-dicarboxylic acid dimethyl ester is a chemical compound with the molecular formula C12H9NO6. It is a derivative of quinoline, a heterocyclic aromatic organic compound, and features two carboxyl groups at the 2 and 3 positions, which are esterified with methanol to form dimethyl esters. 1-Oxy-quinoline-2,3-dicarboxylic acid dimethyl ester is known for its potential applications in the synthesis of various pharmaceuticals and organic compounds due to its unique structure and reactivity. It is typically synthesized through chemical reactions involving quinoline and its derivatives, and can be used as an intermediate in the preparation of other complex molecules. The compound's properties, such as its solubility and stability, can be influenced by the presence of the ester groups, making it a versatile building block in organic synthesis.

91901-73-4

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91901-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91901-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,0 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91901-73:
(7*9)+(6*1)+(5*9)+(4*0)+(3*1)+(2*7)+(1*3)=134
134 % 10 = 4
So 91901-73-4 is a valid CAS Registry Number.

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