381213-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 381213-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,2,1 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 381213-80:
(8*3)+(7*8)+(6*1)+(5*2)+(4*1)+(3*3)+(2*8)+(1*0)=125
125 % 10 = 5
So 381213-80-5 is a valid CAS Registry Number.