1009181-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009181-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,1,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1009181-85:
(9*1)+(8*0)+(7*0)+(6*9)+(5*1)+(4*8)+(3*1)+(2*8)+(1*5)=124
124 % 10 = 4
So 1009181-85-4 is a valid CAS Registry Number.