75754-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75754-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,5 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75754-89:
(7*7)+(6*5)+(5*7)+(4*5)+(3*4)+(2*8)+(1*9)=171
171 % 10 = 1
So 75754-89-1 is a valid CAS Registry Number.