17642-75-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17642-75-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,4 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17642-75:
(7*1)+(6*7)+(5*6)+(4*4)+(3*2)+(2*7)+(1*5)=120
120 % 10 = 0
So 17642-75-0 is a valid CAS Registry Number.