330187-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330187-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,1,8 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 330187-54:
(8*3)+(7*3)+(6*0)+(5*1)+(4*8)+(3*7)+(2*5)+(1*4)=117
117 % 10 = 7
So 330187-54-7 is a valid CAS Registry Number.