75640-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75640-13-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75640-13:
(7*7)+(6*5)+(5*6)+(4*4)+(3*0)+(2*1)+(1*3)=130
130 % 10 = 0
So 75640-13-0 is a valid CAS Registry Number.