646519-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 646519-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,5,1 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 646519-81:
(8*6)+(7*4)+(6*6)+(5*5)+(4*1)+(3*9)+(2*8)+(1*1)=185
185 % 10 = 5
So 646519-81-5 is a valid CAS Registry Number.
646519-81-5Relevant articles and documents
A NOVEL PROCESS TO PREPARE PIOGLITAZONE VIA SEVERAL NOVEL INTERMEDIATES.
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Page 14, (2008/06/13)
A novel process for preparing thiazolidinediones, preferably Pioglitazone, are described. Also described are novel intermediates involved in its synthesis and process for their preparation and use in medicine.