Isoquinoline, also known as isoquinoline, is a heterocyclic aromatic organic compound with the chemical formula C9H7N. It is an isomer of quinoline, differing in the position of the nitrogen atom within the ring structure. Isoquinoline is a colorless, crystalline solid that is insoluble in water but soluble in organic solvents. It is used as an intermediate in the synthesis of various pharmaceuticals, dyes, and other organic compounds. Isoquinoline is also found in some natural products, such as certain alkaloids, and has been studied for its potential applications in materials science and medicinal chemistry.
The CAS Registry Mumber 1643-45-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,4 and 3 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1643-45: (6*1)+(5*6)+(4*4)+(3*3)+(2*4)+(1*5)=74 74 % 10 = 4 So 1643-45-4 is a valid CAS Registry Number.