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Vinyl methyl terephthalate (VMTP) is a chemical compound with the molecular formula C10H10O4. It is a derivative of terephthalic acid, where one of the carboxyl groups is replaced by a vinyl group. VMTP is used as a monomer in the production of polymers, particularly in the synthesis of certain types of polyesters and polyamides. It is known for its ability to improve the properties of these polymers, such as their flexibility and durability. The compound is also used in the manufacturing of adhesives, coatings, and films. Due to its versatility and the wide range of applications, VMTP plays a significant role in the chemical industry, contributing to the development of various consumer and industrial products.

4091-02-5

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4091-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4091-02-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,9 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4091-02:
(6*4)+(5*0)+(4*9)+(3*1)+(2*0)+(1*2)=65
65 % 10 = 5
So 4091-02-5 is a valid CAS Registry Number.

4091-02-5Relevant academic research and scientific papers

The Photocycloaddition of N-Vinylcarbazole with 3-Cyanostyrene

Tsuchida, Akira,Yamamoto, Masahide,Nishijima, Yasunori

, p. 2899 - 2904 (1987)

The photocycloaddition reaction of N-vinylcarbazole (VCZ) as an electron donor, with 3-cyanostyrene as an electron acceptor, was studied.In nonpolar solvents, two cyclobutanes of cis-1-(9-carbazolyl)-2-(3-cyanophenyl)cyclobutane and trans-1-(9-carbazolyl)-2-(3-cyanophenyl)cyclobutane (in a ratio of 3:1) were obtained from an exciplex intermediate.The structure of cis cyclobutane seemed to originate from a sandwich conformation of the exciplex.In polar solvents, a photodissociation to free ion radicals was observed and trans-1,2-di(9-carbazolyl)cyclobutane was produced efficiently by means of a chain mechanism via a cation radical of VCZ.Transient intermediates were measured by means of nanosecond laser photolysis; the results supported the reaction scheme.

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