28547-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28547-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,4 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28547-25:
(7*2)+(6*8)+(5*5)+(4*4)+(3*7)+(2*2)+(1*5)=133
133 % 10 = 3
So 28547-25-3 is a valid CAS Registry Number.
28547-25-3Relevant articles and documents
A process for preparing benzo[b]thiophene derivatives
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Page/Page column 34-35, (2011/05/05)
The present invention relates in general to the field of organic chemistry, and in particular to the preparation of benzo[b]thiophene derivatives. These benzo[b]thiophene derivatives are useful as intermediates in the synthesis of pharmaceutically active agents such as raloxifene or derivatives thereof.