75646-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75646-86-5 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 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75646-86:
(7*7)+(6*5)+(5*6)+(4*4)+(3*6)+(2*8)+(1*6)=165
165 % 10 = 5
So 75646-86-5 is a valid CAS Registry Number.