91697-89-1 Usage
Flammability and Explosibility
Flammable
Check Digit Verification of cas no
The CAS Registry Mumber 91697-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,9 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91697-89:
(7*9)+(6*1)+(5*6)+(4*9)+(3*7)+(2*8)+(1*9)=181
181 % 10 = 1
So 91697-89-1 is a valid CAS Registry Number.