39130-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39130-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,3 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39130-81:
(7*3)+(6*9)+(5*1)+(4*3)+(3*0)+(2*8)+(1*1)=109
109 % 10 = 9
So 39130-81-9 is a valid CAS Registry Number.