68955-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68955-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,5 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68955-72:
(7*6)+(6*8)+(5*9)+(4*5)+(3*5)+(2*7)+(1*2)=186
186 % 10 = 6
So 68955-72-6 is a valid CAS Registry Number.