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2-Pyridinecarboxylic acid, 5-(chlorocarbonyl)-, methyl ester is a chemical compound with the molecular formula C8H6ClNO3. It is a derivative of pyridine, a heterocyclic aromatic compound containing a nitrogen atom in its structure. This specific compound features a chlorocarbonyl group (C(O)Cl) at the 5-position and a methyl ester group (CH3O) at the 2-position of the pyridine ring. The chlorocarbonyl group provides reactivity, making it a potential intermediate in the synthesis of various pharmaceuticals and agrochemicals, while the methyl ester group increases the compound's solubility and stability. Overall, 2-Pyridinecarboxylic acid, 5-(chlorocarbonyl)-, methyl ester is a versatile chemical with potential applications in the synthesis of various compounds due to its unique functional groups.

43083-20-1

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43083-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43083-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,0,8 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 43083-20:
(7*4)+(6*3)+(5*0)+(4*8)+(3*3)+(2*2)+(1*0)=91
91 % 10 = 1
So 43083-20-1 is a valid CAS Registry Number.

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