1176739-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1176739-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,6,7,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1176739-91:
(9*1)+(8*1)+(7*7)+(6*6)+(5*7)+(4*3)+(3*9)+(2*9)+(1*1)=195
195 % 10 = 5
So 1176739-91-5 is a valid CAS Registry Number.