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Urea, N-methyl-N'-(2-methylphenyl)-, also known as 2-methyl-N-phenyl-N'-methylurea or 2-methyl-N-o-tolyl-N'-methylurea, is an organic compound with the chemical formula C9H12N2O. It is a derivative of urea, where one hydrogen atom is replaced by a methyl group and the other by a 2-methylphenyl group. Urea, N-methyl-N'-(2-methylphenyl)- is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other chemical products. It is also known for its potential applications in the field of materials science, such as in the development of polymers and coatings. The compound is synthesized through a reaction between methyl isocyanate and 2-methylaniline, and its properties, such as solubility and reactivity, can be influenced by the presence of the methyl groups on both the urea and phenyl moieties.

13278-63-2

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13278-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13278-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,7 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13278-63:
(7*1)+(6*3)+(5*2)+(4*7)+(3*8)+(2*6)+(1*3)=102
102 % 10 = 2
So 13278-63-2 is a valid CAS Registry Number.

13278-63-2Relevant academic research and scientific papers

Splitting a Substrate into Three Parts: Gold-Catalyzed Nitrogenation of Alkynes by C-C and C≡C Bond Cleavage

Qin, Chong,Su, Yijin,Shen, Tao,Shi, Xiaodong,Jiao, Ning

supporting information, p. 350 - 354 (2016/01/25)

A gold-catalyzed nitrogenation of alkynes for the synthesis of carbamides and amino tetrazoles through C-C and C≡C bond cleavages is described. A diverse set of functionalized carbamide and amino tetrazole derivatives were selectively constructed under mild conditions. The chemoselectivity can be easily switched by the selection of the acid additives. The reaction is characterized by its broad substrate scope, direct construction of high value products, easy operation under air, and mild conditions at room temperature. This chemistry provides a way to transform alkynes by splitting the substrate into three parts.

PREPARATION AND PROPERTIES OF 3-ALKYL-i-ARYLNITROSOUREAS AND RELATED COMPOUNDS

Tanno, Masayuki,Sueyoshi, Shoko

, p. 1360 - 1371 (2007/10/02)

Nitrosation of 3-alkyl-1-arylureas was investigated with sodium nitrite in 99percent formic acid or with isoamyl nitrite in chloroform.The preparation of 3-alkyl-1-aryl-1-nitrosoureas was effectively performed by using isoamyl nitrite in the absence of acids, since the 1-nitrosoureas were isomerized to the 3-nitroso isomers by acids.The carbon-13 nuclear magnetic resonance and infrared spectral properties of the products were examined and their structural features are discussed.It was found that 3-alkyl-1-aryl-1-nitrosoureas decomposed to form alkyl isocyanates and 3-alkyl-1-(2-nitroaryl)ureas in carbon tetrachloride. 1,3-Rearrangement and transnitrosation also took place in this solvent.Keywords - 3-alkyl-1-arylnitrosourea; 3,3-diethyl-1-tolyl-1-nitrosourea; N-nitrosourea; nitrosation; 1,3-rearrangement; isomerization; transnitrosation; nitration

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