227750-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227750-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,7,5 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 227750-05:
(8*2)+(7*2)+(6*7)+(5*7)+(4*5)+(3*0)+(2*0)+(1*5)=132
132 % 10 = 2
So 227750-05-2 is a valid CAS Registry Number.