870823-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 870823-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,8,2 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 870823-02:
(8*8)+(7*7)+(6*0)+(5*8)+(4*2)+(3*3)+(2*0)+(1*2)=172
172 % 10 = 2
So 870823-02-2 is a valid CAS Registry Number.