994-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 994-98-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 994-98:
(5*9)+(4*9)+(3*4)+(2*9)+(1*8)=119
119 % 10 = 9
So 994-98-9 is a valid CAS Registry Number.