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141621-14-9

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141621-14-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141621-14-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,6,2 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 141621-14:
(8*1)+(7*4)+(6*1)+(5*6)+(4*2)+(3*1)+(2*1)+(1*4)=89
89 % 10 = 9
So 141621-14-9 is a valid CAS Registry Number.

141621-14-9Relevant articles and documents

PREPARATION OF (6R)- AND (6S)-(1R,4R)-6-METHYL-2-(p-TOLUENESULFONYL)-5-PHENYLMETHYL-2,5-DIAZABICYCLOHEPTANES, INTERMEDIATES IN A SYNTHESIS OF NEW QUINOLONES

Remuzon, Philippe,Bouzard, Daniel,Dussy, Christian,Jacquet, Jean-Pierre,Massoudi, Massoud

, p. 241 - 245 (2007/10/02)

An efficjent chiral synthesis of both diastereoisomers (2a) and (2b) was preformed using trans-4-hydroxy-L-proline as starting material.These bridged piperazines were used in the preparation of quinolones.

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