117371-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117371-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,3,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117371-70:
(8*1)+(7*1)+(6*7)+(5*3)+(4*7)+(3*1)+(2*7)+(1*0)=117
117 % 10 = 7
So 117371-70-7 is a valid CAS Registry Number.