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1,9-Nonandicarbonsaeure-diphenylester, also known as diphenyl nonanedioate, is an organic compound with the chemical formula C19H18O4. It is a colorless to pale yellow liquid that is soluble in organic solvents. This ester is formed by the reaction of nonanedioic acid (also known as azelaic acid) with two molecules of phenol. It is used in the production of various chemicals, including plasticizers, resins, and other polymers. Due to its chemical structure, it can be used as a building block for more complex molecules and has potential applications in the pharmaceutical and chemical industries.

4080-90-4

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4080-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4080-90-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,8 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4080-90:
(6*4)+(5*0)+(4*8)+(3*0)+(2*9)+(1*0)=74
74 % 10 = 4
So 4080-90-4 is a valid CAS Registry Number.

4080-90-4Downstream Products

4080-90-4Relevant academic research and scientific papers

Doubly Strapped Redox-Switchable 5,10,15,20-Tetraaryl-5,15-diazaporphyrinoids: Promising Platforms for the Evaluation of Paratropic and Diatropic Ring-Current Effects

Ochiai, Hikari,Furukawa, Ko,Nakano, Haruyuki,Matano, Yoshihiro

, p. 2283 - 2296 (2021)

This paper presents a novel series of chemically stable and redox-switchable 20π, 19π, and 18π5,10,15,20-tetraaryl-5,15-diazaporphyrinoids (TADAPs) that have two alkyl-chain straps above and below the diazaporphyrin ring. Three types of doubly strapped TA

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