1229611-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1229611-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,6,1 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1229611-89:
(9*1)+(8*2)+(7*2)+(6*9)+(5*6)+(4*1)+(3*1)+(2*8)+(1*9)=155
155 % 10 = 5
So 1229611-89-5 is a valid CAS Registry Number.