223749-93-7 Usage
Structure
A derivative of benzene with two hydroxyl groups (-OH) at the 1 and 3 positions and an amino group (-NH2) attached to the 4 position of the benzene ring.
Applications
a. Hair dyes and hair colors
b. Photographic developers
c. Production of pharmaceuticals
d. Synthesis of other organic compounds
Hazard classification
Classified as a hazardous substance
Health hazards
Can cause skin and eye irritation, as well as respiratory issues if inhaled
Safety precautions
Handle and store with care, follow safety guidelines when working with it.
Check Digit Verification of cas no
The CAS Registry Mumber 223749-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,4 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 223749-93:
(8*2)+(7*2)+(6*3)+(5*7)+(4*4)+(3*9)+(2*9)+(1*3)=147
147 % 10 = 7
So 223749-93-7 is a valid CAS Registry Number.