4981-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4981-38-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,8 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4981-38:
(6*4)+(5*9)+(4*8)+(3*1)+(2*3)+(1*8)=118
118 % 10 = 8
So 4981-38-8 is a valid CAS Registry Number.