871022-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871022-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,0,2 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 871022-19:
(8*8)+(7*7)+(6*1)+(5*0)+(4*2)+(3*2)+(2*1)+(1*9)=144
144 % 10 = 4
So 871022-19-4 is a valid CAS Registry Number.
871022-19-4Relevant articles and documents
Oxyindole derivatives
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Page/Page column 28, (2008/06/13)
This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: A, R1, R2, R3, R4 and R5 are each as described herein or a pharmaceutically acceptable s