1227511-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227511-50-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,5,1 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1227511-50:
(9*1)+(8*2)+(7*2)+(6*7)+(5*5)+(4*1)+(3*1)+(2*5)+(1*0)=123
123 % 10 = 3
So 1227511-50-3 is a valid CAS Registry Number.