2381-48-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2381-48-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,8 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2381-48:
(6*2)+(5*3)+(4*8)+(3*1)+(2*4)+(1*8)=78
78 % 10 = 8
So 2381-48-8 is a valid CAS Registry Number.