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Pyridine, 5-chloro-2-(chlorodifluoromethyl)- (9CI) is a chemical compound with the molecular formula C6H3Cl2F2N. It is a derivative of pyridine, a heterocyclic aromatic compound consisting of a six-membered ring with one nitrogen atom. In this specific compound, the pyridine ring is substituted with a 5-chloro group and a 2-(chlorodifluoromethyl) group. The 5-chloro group is a chlorine atom attached to the fifth carbon atom of the pyridine ring, while the 2-(chlorodifluoromethyl) group consists of a carbon atom bonded to a chlorine atom and two fluorine atoms, attached to the second carbon atom of the pyridine ring. Pyridine, 5-chloro-2-(chlorodifluoromethyl)- (9CI) is an example of a halogenated pyridine, which can be used in various chemical reactions and applications, such as in the synthesis of pharmaceuticals, agrochemicals, and other organic compounds.

349-93-9

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349-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 349-93-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,4 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 349-93:
(5*3)+(4*4)+(3*9)+(2*9)+(1*3)=79
79 % 10 = 9
So 349-93-9 is a valid CAS Registry Number.

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