117129-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117129-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,1,2 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117129-76:
(8*1)+(7*1)+(6*7)+(5*1)+(4*2)+(3*9)+(2*7)+(1*6)=117
117 % 10 = 7
So 117129-76-7 is a valid CAS Registry Number.