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1017234-25-1

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1017234-25-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1017234-25-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,2,3 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1017234-25:
(9*1)+(8*0)+(7*1)+(6*7)+(5*2)+(4*3)+(3*4)+(2*2)+(1*5)=101
101 % 10 = 1
So 1017234-25-1 is a valid CAS Registry Number.

1017234-25-1Relevant articles and documents

Novel convenient synthesis of rivastigmine

Hu, Meng,Zhang, Fu-Li,Xie, Mei-Hua

, p. 1527 - 1533 (2009)

A novel and convenient synthesis of rivastigmine has been reported. This procedure provides high yield and excellent enantiomeric excess (100% ee) starting from the diastereromerically pure (S)-1-(3-methoxyphenyl)-N-[(S)-1- phenylethyl] ethanamine. Copyright Taylor & Francis Group, LLC.

PREPARATION METHOD OF RIVASTIGMINE, ITS INTERMEDIATES AND PREPARATION METHOD OF THE INTERMEDIATES

-

Page/Page column 8, (2010/10/05)

The present invention provides N-methylethylcarbamino-3-[(S)-1-(methyl-[(S)-1-phenylethyl] amino) ethyl] phenyl ester represented by formula (II) and its preparation method. The present invention also provides (S)-1-(3-methoxyphenyl)-N-methyl-N-[(S)-1-phenylethyl] ethylamine and 3-[(S)-1-(methyl-[(S)-1-phenylethyl] amino) ethyl] phenol as intermediates of the compound represented by formula (II), and the use of the compound represented by formula (II) for preparing rivastigmine used for treating Alzheimer disease.

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