117212-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117212-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,2,1 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117212-65:
(8*1)+(7*1)+(6*7)+(5*2)+(4*1)+(3*2)+(2*6)+(1*5)=94
94 % 10 = 4
So 117212-65-4 is a valid CAS Registry Number.