389633-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389633-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,6,3 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 389633-98:
(8*3)+(7*8)+(6*9)+(5*6)+(4*3)+(3*3)+(2*9)+(1*8)=211
211 % 10 = 1
So 389633-98-1 is a valid CAS Registry Number.