1075204-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1075204-23-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,5,2,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1075204-23:
(9*1)+(8*0)+(7*7)+(6*5)+(5*2)+(4*0)+(3*4)+(2*2)+(1*3)=117
117 % 10 = 7
So 1075204-23-7 is a valid CAS Registry Number.