380317-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380317-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,3,1 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 380317-09:
(8*3)+(7*8)+(6*0)+(5*3)+(4*1)+(3*7)+(2*0)+(1*9)=129
129 % 10 = 9
So 380317-09-9 is a valid CAS Registry Number.