2,4-dioxabicyclo[3.3.1]nonane, also known as 1,4-dioxane, is a cyclic ether with the chemical formula C4H8O2. It is a colorless, volatile, and flammable liquid with a sweet odor. This chemical is commonly used as a solvent in various industrial processes, including the manufacturing of cellulose acetate, resins, and other organic compounds. Due to its potential health risks and environmental concerns, 1,4-dioxane is classified as a hazardous substance and is subject to strict regulations in many countries. It is also a contaminant of concern in water supplies, as it can be formed as a byproduct during the manufacture of certain chemicals and can leach into water systems.
The CAS Registry Mumber 280-89-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,8 and 0 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 280-89: (5*2)+(4*8)+(3*0)+(2*8)+(1*9)=67 67 % 10 = 7 So 280-89-7 is a valid CAS Registry Number.