1039320-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039320-18-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,3,2 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1039320-18:
(9*1)+(8*0)+(7*3)+(6*9)+(5*3)+(4*2)+(3*0)+(2*1)+(1*8)=117
117 % 10 = 7
So 1039320-18-7 is a valid CAS Registry Number.