117770-10-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117770-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,7 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117770-10:
(8*1)+(7*1)+(6*7)+(5*7)+(4*7)+(3*0)+(2*1)+(1*0)=122
122 % 10 = 2
So 117770-10-2 is a valid CAS Registry Number.