61522-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61522-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,5,2 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 61522-18:
(7*6)+(6*1)+(5*5)+(4*2)+(3*2)+(2*1)+(1*8)=97
97 % 10 = 7
So 61522-18-7 is a valid CAS Registry Number.