酸碱定义:能给出质子的物质是酸;能接受质子的物质是碱.某酸失去一个质子而形成的碱,称为该酸的共轭碱(conjugate base);而后者获得一个质子后,就成为该碱的共轭酸(conjugate acid).由得失一个质子而发生共轭关系的一对酸碱,称为共轭酸碱对.当酸碱反应达到平衡时,共轭酸碱必同时存在.以HA表示酸的化学式:HA(酸...
(9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-phenylpropanoic acid | Fmoc-Glu(OtBu)-Ser(psi(Me,Me)pro)-OH | (S)-1-Benzyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate | Fmoc-Ser-OH | Boc-Ser(Me)-OH | Boc-Asp(OtBu)-OH | 1,4,4-Trimethyl-L-proline | (S)-3-(((9H-Fluoren-...
Linear Correlation of OH Stretching Frequency Shifts in Complexes of P‐Chlorophenolorganic Bases vs. pkA of the Conjugate Acid of the Organic BasesNo abstract is available for this article.doi:10.1002/bscb.19820910545Luciano Do AmaralNeusa M. M. Somera...
ChEBI: Gamma-Glu-Met is a dipeptide composed of L-glutamic acid and L-methionine joined by a peptide linkage. It has a role as a human metabolite. It is functionally related to a L-glutamic acid and a L-methionine. It is a conjugate acid of a gamma-Glu-Met(1-). ...
Answer to: Identify the conjugate acid-base pairs of the chemical reaction NH3(aq) + H2O(l) to NH4+(aq) + OH-(aq). By signing up, you'll get...
英文名:Polylysine-PEG Conjugate,OH-PEG-PLL 所属分类: Amino acid PEG 联系方式 产品描述 价格 产品参数1 Catalog #:X-GF-0634-5k Name:Polylysine-PEG Conjugate CAS:N/A Formula:N/A MW:5000 Purity:95%+ Availability:In Stock Ships within:24 hours ...
Study on the Factors Influencing the Extraction of Chenodeoxycholic Acid from Duck Bile Paste by Calcium Salt Method HPTLC plates were used to identify the lipids PLFE and hGDNT using the mobile phases CH[Cl.sub.3]:MeOH: [H.sub.2]O (22.5: 50: 22.5 v/v) and CH[Cl.sub.3]:MeOH(90...
It is a N-acetyl-amino acid and a beta-alanine derivative. It is a conjugate acid of a N-acetyl-beta-alaninate. 3.3 Methods of Manufacturing In a 250 mL reaction flask, Add 180 mL of chloroform, 30 g of β-alanine (0.337 mol)37.8 g of acetic anhydride (0.371 mol), Heating up to...
1,2-Distearoyl-sn-Glycero-3-Phosphoethanolamine (DSPE) conjugated Polyethylene Glycol, DSPE PEG is a phospholipid PEG conjugate which has both hydrophilicity and hydrophobility. Pegylated phospholipids are excellent liposome formation materials that can be used for drug delivery, gene transfection and vac...
Write conjugate acid for the following : (i) C2H5NH2 (ii) CH3COOH View Solution Knowledge Check Which of the following solvents are aprotic ? (1)NH3 (2)SO2 (3)CH3CN (4)CH3CO2H A1,2,3 B1,3,4 C2,3 D1,3Submit Arrange the following in the increasing order of their basic str...