61815-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61815-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,1 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61815-09:
(7*6)+(6*1)+(5*8)+(4*1)+(3*5)+(2*0)+(1*9)=116
116 % 10 = 6
So 61815-09-6 is a valid CAS Registry Number.