89938-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89938-63-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,3 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89938-63:
(7*8)+(6*9)+(5*9)+(4*3)+(3*8)+(2*6)+(1*3)=206
206 % 10 = 6
So 89938-63-6 is a valid CAS Registry Number.
89938-63-6Relevant articles and documents
A process for preparing benzo[b]thiophene derivatives
-
Page/Page column 37-38, (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.
