1399184-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1399184-58-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,9,1,8 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1399184-58:
(9*1)+(8*3)+(7*9)+(6*9)+(5*1)+(4*8)+(3*4)+(2*5)+(1*8)=217
217 % 10 = 7
So 1399184-58-7 is a valid CAS Registry Number.
1399184-58-7Relevant articles and documents
MONTELUKAST INTERMEDIATE CAMPHORSULFONIC SALT
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, (2012/10/07)
The present invention is directed to a novel salt of a montelukast intermediate, the process of preparation thereof, the use of such salt in the preparation of sodium montelukast and a process for the preparation of sodium montelukast making use of said salt.