1171045-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171045-38-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,0,4 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1171045-38:
(9*1)+(8*1)+(7*7)+(6*1)+(5*0)+(4*4)+(3*5)+(2*3)+(1*8)=117
117 % 10 = 7
So 1171045-38-7 is a valid CAS Registry Number.