857570-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857570-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,7 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 857570-11:
(8*8)+(7*5)+(6*7)+(5*5)+(4*7)+(3*0)+(2*1)+(1*1)=197
197 % 10 = 7
So 857570-11-7 is a valid CAS Registry Number.