109401-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109401-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,0 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109401-86:
(8*1)+(7*0)+(6*9)+(5*4)+(4*0)+(3*1)+(2*8)+(1*6)=107
107 % 10 = 7
So 109401-86-7 is a valid CAS Registry Number.