1177307-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177307-67-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,3,0 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1177307-67:
(9*1)+(8*1)+(7*7)+(6*7)+(5*3)+(4*0)+(3*7)+(2*6)+(1*7)=163
163 % 10 = 3
So 1177307-67-3 is a valid CAS Registry Number.