309943-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309943-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,4 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 309943-04:
(8*3)+(7*0)+(6*9)+(5*9)+(4*4)+(3*3)+(2*0)+(1*4)=152
152 % 10 = 2
So 309943-04-2 is a valid CAS Registry Number.
309943-04-2Relevant articles and documents
OXADIAZOLE DIARYL COMPOUNDS
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Page/Page column 56-57, (2009/05/29)
The invention relates to compounds of formula (I): wherein R1, R2, Ra , Rb,Rc and W, have the meanings given in claim 1. The compounds are useful e.g. in the treatment of autoimmune disorders, such as multiple sclerosis.