1166831-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1166831-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,6,8,3 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1166831-89:
(9*1)+(8*1)+(7*6)+(6*6)+(5*8)+(4*3)+(3*1)+(2*8)+(1*9)=175
175 % 10 = 5
So 1166831-89-5 is a valid CAS Registry Number.
1166831-89-5Relevant articles and documents
TRIAZOLE OXADIAZOLES DERIVATIVES
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Page/Page column 109, (2009/07/25)
The invention relates to compounds of formula (I), wherein R1, R2, Ra, Rb, X have the meanings given in claim 1. The compounds are useful e.g. in the treatment of autoimmune disorders, such as multiple sclerosis.