75801-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75801-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,0 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75801-69:
(7*7)+(6*5)+(5*8)+(4*0)+(3*1)+(2*6)+(1*9)=143
143 % 10 = 3
So 75801-69-3 is a valid CAS Registry Number.