108661-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108661-94-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,6 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108661-94:
(8*1)+(7*0)+(6*8)+(5*6)+(4*6)+(3*1)+(2*9)+(1*4)=135
135 % 10 = 5
So 108661-94-5 is a valid CAS Registry Number.