685886-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685886-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,8 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685886-45:
(8*6)+(7*8)+(6*5)+(5*8)+(4*8)+(3*6)+(2*4)+(1*5)=237
237 % 10 = 7
So 685886-45-7 is a valid CAS Registry Number.