288569-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288569-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,5,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 288569-85:
(8*2)+(7*8)+(6*8)+(5*5)+(4*6)+(3*9)+(2*8)+(1*5)=217
217 % 10 = 7
So 288569-85-7 is a valid CAS Registry Number.