117882-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117882-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,8 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117882-57:
(8*1)+(7*1)+(6*7)+(5*8)+(4*8)+(3*2)+(2*5)+(1*7)=152
152 % 10 = 2
So 117882-57-2 is a valid CAS Registry Number.