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4-methylphenol-d, also known as 4-methylphenol-d8 or p-cresol-d8, is a deuterated analog of 4-methylphenol, a monosubstituted phenol compound. It is primarily used as an internal standard in analytical chemistry, particularly in gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) applications, to help quantify and identify 4-methylphenol in various samples. The deuterium atoms in 4-methylphenol-d8 replace some of the hydrogen atoms in the parent compound, resulting in a slightly different mass and retention time, which allows for accurate quantification and differentiation from other compounds. 4-methylphenol-d is widely used in environmental, pharmaceutical, and industrial analyses to monitor the presence and concentration of 4-methylphenol, which is a common pollutant and has various applications in the synthesis of chemicals and pharmaceuticals.

2876-04-2

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2876-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2876-04-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,7 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2876-04:
(6*2)+(5*8)+(4*7)+(3*6)+(2*0)+(1*4)=102
102 % 10 = 2
So 2876-04-2 is a valid CAS Registry Number.

2876-04-2Upstream product

2876-04-2Downstream Products

2876-04-2Relevant academic research and scientific papers

Zinc-Mediated Efficient and Selective Reduction of Carbonyl Compounds

Mandal, Tirtha,Jana, Snehasish,Dash, Jyotirmayee

, p. 4972 - 4983 (2017)

We herein describe for the first time that an optimized combination of Zn and NH4Cl can be used for the selective reduction of aldehydes and ketones to the corresponding alcohols. The aldehyde and keto groups are selectively reduced in the presence of azide, cyano, epoxy, ester, and carbon–carbon double-bond functional groups. A broad functional-group compatibility, chemoselective reduction of aldehydes in the presence of ketones, and selective reduction of isatins at the C3 carbonyl group are the highlights of the present method.

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