1229311-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1229311-50-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,3,1 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1229311-50:
(9*1)+(8*2)+(7*2)+(6*9)+(5*3)+(4*1)+(3*1)+(2*5)+(1*0)=125
125 % 10 = 5
So 1229311-50-5 is a valid CAS Registry Number.