8-Nitro-1-hydroxy-naphthalin, also known as 8-nitro-1-naphthol, is an organic compound with the chemical formula C10H7NO3. It is a yellow crystalline solid that is soluble in organic solvents such as ethanol and acetone. 8-Nitro-1-hydroxy-naphthalin is primarily used as an intermediate in the synthesis of various dyes, pharmaceuticals, and other chemical products. Due to its nitro and hydroxy functional groups, 8-nitro-1-hydroxy-naphthalin exhibits certain reactivity and can undergo various chemical reactions, such as reduction, substitution, and condensation. It is important to handle 8-Nitro-1-hydroxy-naphthalin with care, as it may pose health risks and environmental concerns due to its potential toxicity and reactivity.
The CAS Registry Mumber 776-11-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 6 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 776-11: (5*7)+(4*7)+(3*6)+(2*1)+(1*1)=84 84 % 10 = 4 So 776-11-4 is a valid CAS Registry Number.