25265-76-3 Usage
General Description
Phenylenediamine, also known as PPD, is an organic compound commonly used in hair dyes and other cosmetic products. It is a colorless solid that darkens upon exposure to air and light. PPD is a key ingredient in permanent hair dyes and is responsible for the long-lasting color in these products. However, it has been associated with allergic reactions, skin irritation, and even severe allergic dermatitis in some individuals. PPD is also used in the production of polymers and as an intermediate in the synthesis of dyes, fibers, and pharmaceuticals. Due to its potential health risks, the use of PPD in cosmetic products is regulated in some countries.
Check Digit Verification of cas no
The CAS Registry Mumber 25265-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,6 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 25265-76:
(7*2)+(6*5)+(5*2)+(4*6)+(3*5)+(2*7)+(1*6)=113
113 % 10 = 3
So 25265-76-3 is a valid CAS Registry Number.
InChI:InChI=1/C6H8N2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2
