1039843-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039843-17-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,8,4 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1039843-17:
(9*1)+(8*0)+(7*3)+(6*9)+(5*8)+(4*4)+(3*3)+(2*1)+(1*7)=158
158 % 10 = 8
So 1039843-17-8 is a valid CAS Registry Number.