5138-52-3 Usage
Common Uses
Intermediate in the production of dyes, pigments, and other organic chemicals; catalyst in chemical reactions; surfactant in industrial processes
Chemical Structure
Derived from naphthalenesulfonic acid with a methyl ester group attached
Physical Properties
Colorless to light yellow liquid
Stability
Stable under normal conditions
Handling Precautions
Can be irritating to skin and eyes; potentially harmful if ingested
Check Digit Verification of cas no
The CAS Registry Mumber 5138-52-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,3 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5138-52:
(6*5)+(5*1)+(4*3)+(3*8)+(2*5)+(1*2)=83
83 % 10 = 3
So 5138-52-3 is a valid CAS Registry Number.