75989-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75989-12-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,8 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 75989-12:
(7*7)+(6*5)+(5*9)+(4*8)+(3*9)+(2*1)+(1*2)=187
187 % 10 = 7
So 75989-12-7 is a valid CAS Registry Number.