914249-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 914249-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,2,4 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 914249-67:
(8*9)+(7*1)+(6*4)+(5*2)+(4*4)+(3*9)+(2*6)+(1*7)=175
175 % 10 = 5
So 914249-67-5 is a valid CAS Registry Number.
914249-67-5Relevant articles and documents
PROCESSES FOR THE PREPARATION OF PIOGLITAZONE OR SALTS THEREOF
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Page/Page column 10-14, (2008/06/13)
The present invention provides processes for the preparation of highly pure pioglitazone or a salt thereof. In addition, the present invention provides pioglitazone or a salt thereof having about 0.1% or less of dehydropioglitazone impurity.
