1073428-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1073428-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,4,2 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1073428-42:
(9*1)+(8*0)+(7*7)+(6*3)+(5*4)+(4*2)+(3*8)+(2*4)+(1*2)=138
138 % 10 = 8
So 1073428-42-8 is a valid CAS Registry Number.