2994-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2994-90-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,9 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2994-90:
(6*2)+(5*9)+(4*9)+(3*4)+(2*9)+(1*0)=123
123 % 10 = 3
So 2994-90-3 is a valid CAS Registry Number.