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4-oxo-1-p-tolyl-pyrrolidine-3-carbonitrile is a chemical compound with the molecular formula C12H12N2O. It is a derivative of pyrrolidine, a heterocyclic amine, and features a carbonitrile group (-CN) at the 3-position, an oxo group (C=O) at the 4-position, and a p-tolyl group (a methyl group attached to a phenyl ring) at the 1-position. 4-oxo-1-p-tolyl-pyrrolidine-3-carbonitrile is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, particularly as an intermediate in the production of certain drugs. Its structure provides a versatile platform for further chemical modifications, making it a valuable component in organic synthesis.

5199-55-3

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5199-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5199-55-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5199-55:
(6*5)+(5*1)+(4*9)+(3*9)+(2*5)+(1*5)=113
113 % 10 = 3
So 5199-55-3 is a valid CAS Registry Number.

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