38919-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38919-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,1 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38919-98:
(7*3)+(6*8)+(5*9)+(4*1)+(3*9)+(2*9)+(1*8)=171
171 % 10 = 1
So 38919-98-1 is a valid CAS Registry Number.