2,3,4,5,5-pentachloro-penta-2,4-dienal is a chlorinated organic compound with the molecular formula C5Cl5O. It is a highly reactive and toxic substance, characterized by the presence of five chlorine atoms and two carbon-carbon double bonds in its structure. 2,3,4,5,5-pentachloro-penta-2,4-dienal is not naturally occurring and is typically synthesized for specific industrial applications, such as in the production of certain pesticides or as an intermediate in chemical reactions. Due to its potential health risks and environmental impact, handling and use of this chemical are subject to strict regulations. It is important to note that exposure to such chemicals can be hazardous, and appropriate safety measures should be taken when dealing with them.
The CAS Registry Mumber 5658-89-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,5 and 8 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 5658-89: (6*5)+(5*6)+(4*5)+(3*8)+(2*8)+(1*9)=129 129 % 10 = 9 So 5658-89-9 is a valid CAS Registry Number.