334002-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334002-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,0,0 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 334002-54:
(8*3)+(7*3)+(6*4)+(5*0)+(4*0)+(3*2)+(2*5)+(1*4)=89
89 % 10 = 9
So 334002-54-9 is a valid CAS Registry Number.