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1239897-01-8

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1239897-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239897-01-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,9 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1239897-01:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*9)+(3*7)+(2*0)+(1*1)=198
198 % 10 = 8
So 1239897-01-8 is a valid CAS Registry Number.

1239897-01-8Downstream Products

1239897-01-8Relevant articles and documents

Acylative kinetic resolution of racemic amines using N-phthaloyl-(S)-amino acyl chlorides

Gruzdev, Dmitry A.,Levit, Galina L.,Krasnov, Victor P.,Chulakov, Evgeny N.,Sadretdinova, Liliya Sh.,Grishakov, Aleksandr N.,Ezhikova, Marina A.,Kodess, Mikhail I.,Charushin, Valery N.

experimental part, p. 936 - 942 (2010/08/19)

A comparative study of the kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline and 2,3-dihydro-3-methyl-4H-1,4-benzoxazine using N-phthaloyl-(S)-amino acyl chlorides as chiral acylating agents is described. Temperature and solvent effects on the stereochemical features have been examined. It has been found that N-phthaloyl-(S)-phenylalanyl and N-phthaloyl-(S)-2-phenylglycyl chlorides bearing aromatic substituents close to the stereogenic centre are more stereoselective acylating agents than N-phthaloyl-(S)-alanyl chloride. For the preparative kinetic resolution of racemic amines N-phthaloyl-(S)-phenylalanyl chloride proved to be the most appropriate chiral acylating agent.

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