67753-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67753-45-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,5 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67753-45:
(7*6)+(6*7)+(5*7)+(4*5)+(3*3)+(2*4)+(1*5)=161
161 % 10 = 1
So 67753-45-1 is a valid CAS Registry Number.