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4,4'-Phenethylidene-di-phenol, also known as Bisphenol A (BPA), is an organic compound with the chemical formula C15H16O2. It is a white crystalline solid that is primarily used in the production of polycarbonate plastics and epoxy resins. BPA is a key component in the manufacturing of various consumer products, such as food and beverage containers, dental sealants, and thermal paper receipts. However, it has been a subject of concern due to its potential endocrine-disrupting properties and health risks associated with long-term exposure, leading to restrictions and bans in certain applications. Despite these concerns, BPA remains a widely used chemical in the global market due to its versatility and cost-effectiveness.

4052-96-4

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4052-96-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4052-96-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,5 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4052-96:
(6*4)+(5*0)+(4*5)+(3*2)+(2*9)+(1*6)=74
74 % 10 = 4
So 4052-96-4 is a valid CAS Registry Number.

4052-96-4Relevant academic research and scientific papers

Linear free-energy relationship analysis of a catalytic desymmetrization reaction of a diarylmethane-bis(phenol)

Gustafson, Jeffrey L.,Sigman, Matthew S.,Miller, Scott J.

supporting information; experimental part, p. 2794 - 2797 (2010/09/04)

(Figure presented) Linear free-energy relationships have been found for enantioselectivity and various steric parameters in an enantioselective desymmetrization of symmetrical bis(phenol) substrates. The potential origin of this observation and the role of different steric parameters are discussed.

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