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4-Nitrophthalic acid di-n-butyl ester is an organic compound with the chemical formula C16H19NO6. It is a derivative of phthalic acid, where the 4-nitro group is attached to the phthalic acid molecule, and two n-butyl ester groups are bonded to the carboxylic acid groups. This yellow crystalline solid is soluble in organic solvents and is used as an intermediate in the synthesis of various dyes, pharmaceuticals, and other chemical products. The compound is characterized by its melting point of 68-70°C and is known for its potential applications in the production of azo dyes and other colorants. It is important to handle 4-nitrophthalic acid di-n-butyl ester with care due to its potential reactivity and the presence of a nitro group, which can pose safety concerns.

3164-72-5

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3164-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3164-72-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3164-72:
(6*3)+(5*1)+(4*6)+(3*4)+(2*7)+(1*2)=75
75 % 10 = 5
So 3164-72-5 is a valid CAS Registry Number.

3164-72-5Downstream Products

3164-72-5Relevant academic research and scientific papers

Volatility of some aromatic nitrosubstituted plasticizers for polymers

Golubev,Novikov,Kuvshinova,Burmistrov,Koifman

, p. 2188 - 2194 (2017/10/27)

Nine derivatives of nitrophthalic acids and nitrophenols were synthesized as potential plasticizers for polymers and structurally characterized by 1H NMR and elemental analysis. The time dependences of the weight loss for the nitro derivatives

Immunoassay for phthalic acid esters

-

, (2008/06/13)

The present invention provides an immunoassay for phthalic acid esters, which comprises measuring the phthalic acid esters contained in a sample using an antibody produced with a conjugate of a carrier protein and a phthalic acid ester derivative represented by the formula wherein R1and R2may be the same or different and are hydrogen, alkyl, cycloalkyl or phenylalkyl, with the proviso that both of R1and R2are not hydrogen; m is an integer from 1 to 5; and Y is amino or carboxyl.

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