1042170-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1042170-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,2,1,7 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1042170-75:
(9*1)+(8*0)+(7*4)+(6*2)+(5*1)+(4*7)+(3*0)+(2*7)+(1*5)=101
101 % 10 = 1
So 1042170-75-1 is a valid CAS Registry Number.