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N,N'-bis(benzylcarbamoyl)piperazine, also known as Piperazine-1,4-bis(benzylcarbamate), is a chemical compound with the molecular formula C20H24N4O2. It is a white crystalline solid that is soluble in organic solvents such as ethanol and acetone. N,N'-bis(benzylcarbamoyl)piperazine is primarily used as a crosslinking agent in the production of polyurethane foams, providing improved mechanical properties and dimensional stability to the final product. It is also employed as a curing agent for epoxy resins, enhancing their adhesion, flexibility, and chemical resistance. Due to its reactivity, it is essential to handle N,N'-bis(benzylcarbamoyl)piperazine with care, following proper safety protocols to minimize health and environmental risks.

6442-91-7

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6442-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6442-91-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6442-91:
(6*6)+(5*4)+(4*4)+(3*2)+(2*9)+(1*1)=97
97 % 10 = 7
So 6442-91-7 is a valid CAS Registry Number.

6442-91-7Downstream Products

6442-91-7Relevant academic research and scientific papers

Synthesis of bis-ureas from Bis(o-nitrophenyl) carbonate

Turoczi, Maria-Cristina,Simon, Monika,Badea, Valentin,Csunderlik, Carol

experimental part, p. 3192 - 3197 (2009/04/10)

A general method for the preparation of bis-ureas from bis(o-nitrophenyl) carbonate has been developed. Directional urea synthesis is achieved by sequential amine addition to bis(o-nitrophenyl) carbonate in two steps: in the first step bis(o-nitrophenyl) carbonate is reacted with benzylamine to form benzyl-o-nitrophenyl carbamate; in the second step the carbamate is reacted with a variety of diamines in toluene to yield bis-ureas.

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