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1008509-41-8

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1008509-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1008509-41-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,8,5,0 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1008509-41:
(9*1)+(8*0)+(7*0)+(6*8)+(5*5)+(4*0)+(3*9)+(2*4)+(1*1)=118
118 % 10 = 8
So 1008509-41-8 is a valid CAS Registry Number.

1008509-41-8Downstream Products

1008509-41-8Relevant articles and documents

PROCESS FOR THE PREPARATION OF MONTELUKAST FREE ACID AND ITS AMINE SALTS

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Page/Page column 7; 12, (2010/11/30)

The present invention provides a process for the preparation of montelukast and its pharmaceutically acceptable salts which comprises, preparation of montelukast novel amine salt and conversion to montelukast free acid, further conversion of the obtained montelukast free acid to the corresponding pharmaceutically acceptable salts of montelukast. The present invention also provides novel amine salts of montelukast.

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