851663-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851663-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,6,6 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 851663-58:
(8*8)+(7*5)+(6*1)+(5*6)+(4*6)+(3*3)+(2*5)+(1*8)=186
186 % 10 = 6
So 851663-58-6 is a valid CAS Registry Number.