89440-16-4 Usage
Type of compound
Chemical compound
Primary use
pH indicator in chemistry and biology
Color change
Yellow to blue as pH changes from acidic to alkaline
Additional uses
Medical and biological research, industrial applications for detecting pH changes
Toxicity
Relatively non-toxic
Safety
Generally safe to handle with proper precautions taken.
Check Digit Verification of cas no
The CAS Registry Mumber 89440-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89440-16:
(7*8)+(6*9)+(5*4)+(4*4)+(3*0)+(2*1)+(1*6)=154
154 % 10 = 4
So 89440-16-4 is a valid CAS Registry Number.