681443-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681443-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,4,4 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 681443-85:
(8*6)+(7*8)+(6*1)+(5*4)+(4*4)+(3*3)+(2*8)+(1*5)=176
176 % 10 = 6
So 681443-85-6 is a valid CAS Registry Number.