857217-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857217-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,1 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857217-18:
(8*8)+(7*5)+(6*7)+(5*2)+(4*1)+(3*7)+(2*1)+(1*8)=186
186 % 10 = 6
So 857217-18-6 is a valid CAS Registry Number.