334503-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334503-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,5,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 334503-99:
(8*3)+(7*3)+(6*4)+(5*5)+(4*0)+(3*3)+(2*9)+(1*9)=130
130 % 10 = 0
So 334503-99-0 is a valid CAS Registry Number.