857628-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857628-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,2 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857628-58:
(8*8)+(7*5)+(6*7)+(5*6)+(4*2)+(3*8)+(2*5)+(1*8)=221
221 % 10 = 1
So 857628-58-1 is a valid CAS Registry Number.