381228-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 381228-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,2,2 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 381228-85:
(8*3)+(7*8)+(6*1)+(5*2)+(4*2)+(3*8)+(2*8)+(1*5)=149
149 % 10 = 9
So 381228-85-9 is a valid CAS Registry Number.