1228765-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1228765-02-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,7,6 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1228765-02:
(9*1)+(8*2)+(7*2)+(6*8)+(5*7)+(4*6)+(3*5)+(2*0)+(1*2)=163
163 % 10 = 3
So 1228765-02-3 is a valid CAS Registry Number.