939382-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939382-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,3,8 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 939382-31:
(8*9)+(7*3)+(6*9)+(5*3)+(4*8)+(3*2)+(2*3)+(1*1)=207
207 % 10 = 7
So 939382-31-7 is a valid CAS Registry Number.