2-(4-Nitro-phenoxy)-peressigsaeure-tert-butylester, also known as 2-(4-nitrophenoxy)propanoic acid tert-butyl ester, is a chemical compound with the molecular formula C11H13NO5. It is a derivative of 2-(4-nitrophenoxy)propanoic acid, where the carboxylic acid group is protected by a tert-butyl ester group. 2-<4-Nitro-phenoxy>-peressigsaeure-tert-butylester is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those containing the 4-nitrophenoxypropanoic acid moiety. The presence of the nitro group and the ester functionality makes it a versatile building block for further chemical transformations. It is typically synthesized through the reaction of 4-nitrophenol with tert-butyl 2-bromopropanoate, followed by hydrolysis and esterification steps. The compound is a pale yellow solid and is sensitive to light and heat, requiring storage under cool, dark conditions to maintain stability.
The CAS Registry Mumber 6080-21-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,0,8 and 0 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 6080-21: (6*6)+(5*0)+(4*8)+(3*0)+(2*2)+(1*1)=73 73 % 10 = 3 So 6080-21-3 is a valid CAS Registry Number.