69783-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69783-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,8 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69783-75:
(7*6)+(6*9)+(5*7)+(4*8)+(3*3)+(2*7)+(1*5)=191
191 % 10 = 1
So 69783-75-1 is a valid CAS Registry Number.