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101179-53-7

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101179-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101179-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,1,7 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 101179-53:
(8*1)+(7*0)+(6*1)+(5*1)+(4*7)+(3*9)+(2*5)+(1*3)=87
87 % 10 = 7
So 101179-53-7 is a valid CAS Registry Number.

101179-53-7Relevant articles and documents

Synthesis of optically active α,β-unsaturated triazolyl alcohols via asymmetric NaBH4 reduction of the corresponding ketones

Zhou, Zhenghong,Tang, Yilong,Wang, Lixin,Zhao, Guofeng,Zhou, Qilin,Tang, Chuchi

, p. 1359 - 1365 (2004)

Chiral ligands 5a-d were synthesized starting from L-proline and their application in the asymmetric NaBH4 reduction of α,β -unsaturated triazolyl ketones 2 was investigated. The corresponding α,β-unsaturated triazolyl alcohol derivatives (1a,

Preparation of a novel bridged bis(β-cyclodextrin) chiral stationary phase by thiol-ene click chemistry for enhanced enantioseparation in HPLC

Gong, Bolin,Guo, Siyu,Zhang, Ning

, p. 35754 - 35764 (2021/12/02)

A bridged bis(β-cyclodextrin) ligand was firstly synthesized via a thiol-ene click chemistry reaction between allyl-ureido-β-cyclodextrin and 4-4′-thiobisthiophenol, which was then bonded onto a 5 μm spherical silica gel to obtain a novel bridged bis(β-cyclodextrin) chiral stationary phase (HTCDP). The structures of HTCDP and the bridged bis(β-cyclodextrin) ligand were characterized by the 1H nuclear magnetic resonance (1H NMR), solid state 13C nuclear magnetic resonance (13C NMR) spectra spectrum, scanning electron microscope, elemental analysis, mass spectrometry, infrared spectrometry and thermogravimetric analysis. The performance of HTCDP in enantioseparation was systematically examined by separating 21 chiral compounds, including 8 flavanones, 8 triazole pesticides and 5 other common chiral drugs (benzoin, praziquantel, 1-1′-bi-2-naphthol, Tr?ger's base and bicalutamide) in the reversed-phase chromatographic mode. By optimizing the chromatographic conditions such as formic acid content, mobile phase composition, pH values and column temperature, 19 analytes were completely separated with high resolution (1.50-4.48), in which the enantiomeric resolution of silymarin, 4-hydroxyflavanone, 2-hydroxyflavanone and flavanone were up to 4.34, 4.48, 3.89 and 3.06 within 35 min, respectively. Compared to the native β-CD chiral stationary phase (CDCSP), HTCDP had superior enantiomer separation and chiral recognition abilities. For example, HTCDP completely separated 5 other common chiral drugs, 2 flavanones and 3 triazole pesticides that CDCSP failed to separate. Unlike CDCSP, which has a small cavity (0.65 nm), the two cavities in HTCDP joined by the aryl connector could synergistically accommodate relatively bulky chiral analytes. Thus, HTCDP may have a broader prospect in enantiomeric separation, analysis and detection. This journal is

Synthetic process of diniconazole

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Paragraph 0014, (2017/09/08)

The invention discloses a synthetic process of diniconazole. The synthetic process of diniconazole includes steps of compounding pyrazolone hydrochloride by taking nitrogen triazole as raw materials; hydrolyzing pyrazolone hydrochloride and preparing pyrazolone; condensing pyrazolone to prepare ketene; water-washing and acidifying ketene to prepare ketene sulfate; hydrolyzing and reducing the ketene sulfate to obtain diniconazole. The synthetic process of diniconazole has the advantages of simple synthetic process, wide raw material source, low price, and high yield of the product diniconazole.

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