857762-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857762-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,6 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857762-80:
(8*8)+(7*5)+(6*7)+(5*7)+(4*6)+(3*2)+(2*8)+(1*0)=222
222 % 10 = 2
So 857762-80-2 is a valid CAS Registry Number.