(4-Nitro-phenoxy)-malonic acid, also known as 4-nitrophenyl malonic acid, is an organic compound with the chemical formula C9H7NO6. It is a derivative of malonic acid, featuring a 4-nitrophenoxy group attached to the malonic acid backbone. This yellow crystalline solid is soluble in water and has a molecular weight of 229.16 g/mol. It is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity and the presence of the nitro group, it is important to handle (4-nitro-phenoxy)-malonic acid with care, following proper safety protocols.
The CAS Registry Mumber 2272-12-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,7 and 2 respectively; the second part has 2 digits, 1 and 2 respectively. Calculate Digit Verification of CAS Registry Number 2272-12: (6*2)+(5*2)+(4*7)+(3*2)+(2*1)+(1*2)=60 60 % 10 = 0 So 2272-12-0 is a valid CAS Registry Number.