Phosphine, hexyl-, also known as hexylphosphine or (n-hexyl)phosphine, is an organophosphorus compound with the chemical formula C6H13PH2. It is a colorless, flammable, and toxic liquid with a strong, garlic-like odor. Phosphine, hexyl- is primarily used as a reagent in the synthesis of various organophosphorus compounds, as well as a precursor in the production of flame retardants and pesticides. Due to its potential health risks and environmental concerns, proper handling and disposal procedures are essential when working with phosphine, hexyl-.
The CAS Registry Mumber 2502-20-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,0 and 2 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 2502-20: (6*2)+(5*5)+(4*0)+(3*2)+(2*2)+(1*0)=47 47 % 10 = 7 So 2502-20-7 is a valid CAS Registry Number.