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473807-63-5

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473807-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 473807-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,3,8,0 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 473807-63:
(8*4)+(7*7)+(6*3)+(5*8)+(4*0)+(3*7)+(2*6)+(1*3)=175
175 % 10 = 5
So 473807-63-5 is a valid CAS Registry Number.

473807-63-5Upstream product

473807-63-5Relevant articles and documents

Synthesis and utility of the 3,3-dimethyl-5-substituted-2-pyrrolidinone 'Quat' chiral auxiliary

Davies, Stephen G.,Dixon, Darren J.,Doisneau, Gilles J.-M.,Prodger, Jeremy C.,Sanganee, Hitesh J.

, p. 647 - 658 (2002)

The synthesis and utility of the 3,3-dimethyl-5-substituted-2-pyrrolidinone 'Quat' chiral auxiliary in stereoselective enolate reactions of attached N-acyl side chains combined with the mild and non-racemising conditions required for the ultimate removal of the chiral side chain is described.

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