72559-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72559-88-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,5 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72559-88:
(7*7)+(6*2)+(5*5)+(4*5)+(3*9)+(2*8)+(1*8)=157
157 % 10 = 7
So 72559-88-7 is a valid CAS Registry Number.