1227565-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227565-23-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,5,6 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1227565-23:
(9*1)+(8*2)+(7*2)+(6*7)+(5*5)+(4*6)+(3*5)+(2*2)+(1*3)=152
152 % 10 = 2
So 1227565-23-2 is a valid CAS Registry Number.