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Urea, N-(2-nitrophenyl)-N'-(3-nitrophenyl)-, also known as 1,3-bis(2-nitrophenyl)urea or BNPU, is an organic compound with the chemical formula C13H9N5O5. It is a derivative of urea, where two nitrophenyl groups are attached to the nitrogen atoms. BNPU is a yellow crystalline solid that is soluble in polar solvents such as water and ethanol. Urea, N-(2-nitrophenyl)-N'-(3-nitrophenyl)- is primarily used as a chemical intermediate in the synthesis of various dyes, pharmaceuticals, and agrochemicals. Due to its potential applications in various industries, BNPU has been the subject of research for its properties, such as its ability to form complexes with metal ions and its use as a colorimetric indicator for the detection of certain metal ions.

13289-29-7

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13289-29-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13289-29-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13289-29:
(7*1)+(6*3)+(5*2)+(4*8)+(3*9)+(2*2)+(1*9)=107
107 % 10 = 7
So 13289-29-7 is a valid CAS Registry Number.

13289-29-7Downstream Products

13289-29-7Relevant academic research and scientific papers

Solvent-free synthesis of N,N'-diarylureas using microwave technology

Sun, Ting,Li, Jing,Wang, Yu-Lu

, p. 425 - 427 (2003)

A simple and rapid solvent-free synthesis of N,N'-diarylureas in a microwave oven has been reported for the first time. Nine compounds were synthesized. The reaction time is short (2-5 min) and gives excellent yield (80-95%).

Solid-state synthesis of aryl 2-nitrophenyl ureas

Li, Jing,Wang, Yu-Lu,Sun, Ting

, p. 220 - 221 (2007/10/03)

A simple and efficient solid-state synthesis for aryl 2-nitrophenyl ureas at room temperature is described for the first time.

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