5-Chloro-2,4-dinitro-benzenesulfonic acid, sodium salt is a chemical compound with the molecular formula C6H2ClN2NaO6S. It is a yellow crystalline solid that is soluble in water. 5-chloro-2,4-dinitro-benzenesulfonic acid ; sodium-salt is an important intermediate in the synthesis of various pharmaceuticals, dyes, and other organic compounds. It is derived from the parent compound, benzenesulfonic acid, by substituting one hydrogen atom with a chlorine atom and introducing two nitro groups at the 2 and 4 positions. The sodium salt form is obtained by neutralizing the acidic protons with sodium hydroxide, resulting in a water-soluble salt. 5-chloro-2,4-dinitro-benzenesulfonic acid ; sodium-salt is used in various industrial applications, such as the production of azo dyes and pharmaceuticals, and is also known for its potential use in the synthesis of explosives. Due to its reactivity and potential hazards, it is important to handle this chemical with care and in accordance with safety regulations.
The CAS Registry Mumber 3324-85-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,2 and 4 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 3324-85: (6*3)+(5*3)+(4*2)+(3*4)+(2*8)+(1*5)=74 74 % 10 = 4 So 3324-85-4 is a valid CAS Registry Number.