117290-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117290-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,2,9 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117290-38:
(8*1)+(7*1)+(6*7)+(5*2)+(4*9)+(3*0)+(2*3)+(1*8)=117
117 % 10 = 7
So 117290-38-7 is a valid CAS Registry Number.