1089312-85-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1089312-85-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,9,3,1 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1089312-85:
(9*1)+(8*0)+(7*8)+(6*9)+(5*3)+(4*1)+(3*2)+(2*8)+(1*5)=165
165 % 10 = 5
So 1089312-85-5 is a valid CAS Registry Number.