1228631-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1228631-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,6,3 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1228631-69:
(9*1)+(8*2)+(7*2)+(6*8)+(5*6)+(4*3)+(3*1)+(2*6)+(1*9)=153
153 % 10 = 3
So 1228631-69-3 is a valid CAS Registry Number.