Phthalazine is a heterocyclic aromatic compound with the chemical formula C8H6N2. It consists of a six-membered ring with two nitrogen atoms at positions 1 and 3, and four carbon atoms at positions 2, 4, 5, and 6. Phthalazine is an important building block in the synthesis of various pharmaceuticals, dyes, and other organic compounds. It is known for its ability to form a wide range of derivatives, such as phthalazinium salts, which have applications in the dye industry. Additionally, phthalazine and its derivatives are used in the development of drugs targeting various therapeutic areas, including cardiovascular and central nervous system disorders. The compound is also utilized in the synthesis of pigments and other specialty chemicals, highlighting its versatility in the chemical industry.
The CAS Registry Mumber 53-52-1 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 53-52: (4*5)+(3*3)+(2*5)+(1*2)=41 41 % 10 = 1 So 53-52-1 is a valid CAS Registry Number.