Dodecanoic acid, 3,5,7-trioxo-, also known as Azelaic acid, is a naturally occurring dicarboxylic acid with the chemical formula C9H16O4. It is a white crystalline solid that is found in various plants, animals, and human skin. Azelaic acid is known for its various applications, particularly in the pharmaceutical and cosmetic industries. In dermatology, it is used to treat acne, rosacea, and hyperpigmentation due to its anti-inflammatory and antimicrobial properties. Additionally, it has been found to have antioxidant and anti-aging effects, making it a popular ingredient in skincare products. The compound is also used as a food additive and in the production of certain polymers.
The CAS Registry Mumber 7028-38-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,2 and 8 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 7028-38: (6*7)+(5*0)+(4*2)+(3*8)+(2*3)+(1*8)=88 88 % 10 = 8 So 7028-38-8 is a valid CAS Registry Number.