870961-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 870961-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,9,6 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 870961-59:
(8*8)+(7*7)+(6*0)+(5*9)+(4*6)+(3*1)+(2*5)+(1*9)=204
204 % 10 = 4
So 870961-59-4 is a valid CAS Registry Number.