930280-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930280-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,2,8 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 930280-04:
(8*9)+(7*3)+(6*0)+(5*2)+(4*8)+(3*0)+(2*0)+(1*4)=139
139 % 10 = 9
So 930280-04-9 is a valid CAS Registry Number.