294203-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 294203-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,4,2,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 294203-97:
(8*2)+(7*9)+(6*4)+(5*2)+(4*0)+(3*3)+(2*9)+(1*7)=147
147 % 10 = 7
So 294203-97-7 is a valid CAS Registry Number.