91531-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91531-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,3 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91531-98:
(7*9)+(6*1)+(5*5)+(4*3)+(3*1)+(2*9)+(1*8)=135
135 % 10 = 5
So 91531-98-5 is a valid CAS Registry Number.
91531-98-5Relevant articles and documents
AMINO, CYANO PHENYLTHIO OR PHENOXYL INDOLE DERIVATIVES
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, (2008/06/13)
This invention relates to indole derivatives which have anti-cancer activity. According to the invention there is provided an indole derivative of the formula I: in which X is an oxygen or sulphur atom, Ra is a phenyl radical which is optionally substitut