75742-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75742-15-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,4 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75742-15:
(7*7)+(6*5)+(5*7)+(4*4)+(3*2)+(2*1)+(1*5)=143
143 % 10 = 3
So 75742-15-3 is a valid CAS Registry Number.