Primary Secondary Amine

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Primary Secondary Amine
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  • PSA (Primary Secondary Amine) is a weak anion exchange SPE sorbent used to extract strong acids and polyacidic compounds from aqueous samples. The weak anion exchange sorbent allows analytes to be eluted by eliminating the charge on the sorbent at high pH. The sorbent is supplied in the free base…

  • CHROMABOND® QuEChERS

    MACHEREY-NAGEL

    …mL centrifuge tubes), aluminum bags For clean-up, the Diamino phase (PSA) removes, polar compunds e.g., sugars and organic acids. Primary and Secondary Amine functions (PSA) Magnesium sulfate removes water C18 ec removes nonpolar interferences such as fats and the Carbon phase removes…

  • MTBSTFA and MTBSTFA+1% TBDMCS

    Thermo Scientific

    MTBSTFA and MTBSTFA+1% TBDMCS offer stable TBDMS (tert-butyldimethylsilyl) derivatization. Derivatizes hydroxyl, carboxyl, thiol and primary and secondary amines Typical yields are >96% Provides TBDMS ethers that are 104 times more stable to hydrolysis than TMS ethers Reaction byproducts are…

  • …bulk or custom sizes . Features Proven coupling chemistry Easy to use, no secondary coupling agents required Stable linkages Couple in inorganic buffers for insoluble molecules Applications Couple proteins and peptides Couple primary amine containing ligand s

  • …No.: 13573-16-5 Molecular Formula: NH4[Cr(NH3)2(SCN)4]·H2O Molecular Weight: 354.44 MDL No.: MFCD00066638 Appearance: Dark red powder Comments: Used as precipitant for primary and secondary amines, proline, hydroxyproline, and certain amino acids. Storage Temperature: Store at RT

  • … Formula Weight: 336.43 CAS No.: 13573-16-5 Purity: ≥93.0% Storage Temperature: 2-8°C Application: Color reagent and precipitant for mercury. Precipitant for primary and secondary amines and certain amino acids. Packaging: 25, 100 g in poly bottle

  • … Application: Used for derivatizing N-terminal amino acids of proteins for automated sequential analysis. Synthon for dithiadiazafulvalenes. Application: Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC.

  • CHROMABOND® Diamino

    MACHEREY-NAGEL

    …Features Base material silica, pore size 60 Å, particle size 45 μm, specific surface 500 m2/g, pH stability 2–8 Primary and Secondary Amine functions (PSA), 5 % C Removes polar compounds (e.g., organic acids, pigments, sugars) from matrices like fruit or vegetables …

  • … Formula Weight: 271.33 CAS No.: 18303-04-3 Purity: 99% Application: Can be directly coupled with primary, secondary, and allylic alcohols under Mitsunobu conditions to afford various sulfonyl-protected amines. Packaging: 5 g in glass bottle

  • … Molecular Weight: 430.46 MDL No.: MFCD16661194 Appearance: Red powder Comments: 5(6)-Carboxytetramethylrhodamine reacts with primary and secondary amine groups on proteins, nucleic acids and other biomolecules. Melting Point: > 300 ºC Storage Temperature: Store at ≤ -4 °C

  • …reagent MSHFBA Similar to MSTFA in reactivity and chromatography Recommended application: carboxylic acids, alcohols, phenols, primary and secondary amines and amino acids Used either alone or in combination with a catalyst (TMCS, TSIM) or another silylation reagent with or without…

  • Use with systems from ISCO® and Buchi® Optimized column geometry provides maximum recovery Use to separate primary, secondary, and tertiary amines NH2 shows better peak shapes with polar and basic compound—ideal for carbohydrates Make connections to flash…

  • … Application Guide for Palladium Catalyzed Cross-Coupling Reactions Catalyst for: • C,N-cross coupling of unprotected 3-halo-2-aminopyridines with primary and secondary amines • Amination reaction • N-arylation of aminophenols Packaging: 100 mg in glass bottle

  • pH range 1-14. Extacting postive charged ions. Extraction and recovery of primary, secondary and some tertiary amines as well as most metal cations from aqueous solutions. Not for quarternary amines.

  • … Purity: ≥99% (GC) Density: 1.132 g/mL at 20 °C(lit.) Storage Temperature: 2-8°C Application: Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC. Packaging: One mL size packaged in flame sealed…

  • Optimized column geometry provides maximum recovery Use to separate primary, secondary, and tertiary amines NH2 shows better peak shapes with polar and basic compound—ideal for carbohydrates Make connections to flash chromatography instruments quick, easy, and secure with Luer-lok…

  • Use to separate primary, secondary, and tertiary amines NH2 shows better peak shapes with polar and basic compound—ideal for carbohydrates Easily connect to flash chromatography system using the Luer-slip connection. Use columns on a rack or stand using gravity flow or with vacuum…

  • Ethylene sulfide, 0.98

    MilliporeSigma

    … . Ethylene sulfide is generally used in the preparation of organosulfur compounds, especially for mercaptoethylation of primary and secondary amines to obtain aminothiols.. It is used in the synthesis of dendritic thioether ligands to stabilize gold nanoparticles (Au NPs).. Chitosan…

  • …liquid chromatographic (HPLC) analysis of various amphetamine derivatives in body fluids. Application: Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC. Recommended products: Discover LiChropur reagents…

  • …It is widely used for synthesis of various biologically important heterocyclic compounds. Application: Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC. Application: Phenyl isothiocyanate may be employed…

  • …synthesis of end-functionalized regioregular poly(3-alkylthiophene)s. It was also used for the monoalkylation of aliphatic primary amine to generate secondary amines by the Grignard reaction of 1-[(alkylamino) methyl] benzotriazoles. It may be used for synthesis of the following:…

  • …Specificity: Alkaline phosphatase catalyzed the hydrolysis of numerous phosphate esters, such as esters of primary and secondary alcohols, saccarides, cyclic alcohols, phenols and amines. Phosphodiesters do not react. The enzyme hydrolyzes inorganic pyrophosphate. The kinetic properties of the…

  • …Phosphatase Alkaline Phosphatase catalyzes the hydrolysis of numerous phosphate esters, such as esters of primary and secondary alcohols, saccharides, cyclic alcohols, phenols and amines. Phosphodiesters do not react. The enzyme hydrolyzes inorganic pyrophosphate. The kinetic properties of the…

  • …Specificity: Alkaline Phosphatase catalyzes the hydrolysis of numerous phosphate esters, such as esters of primary and secondary alcohols, saccharides, cyclic alcohols, phenols and amines. Phosphodiesters do not react. The enzyme hydrolyzes inorganic pyrophosphate. The kinetic properties of the…

  • …are formed with the secondary amino acids praline and hydroxyproline. The colored derivatives are monitored at 335 to 345nm and have extinction coefficients in the range of 10,000-15,000. TNBSA has been used as a hydrophilic modifying reagent for the detection of primary amines in samples containing…

  • …both primary antibodies derived from species other than mouse, rabbit or goat. Label one of your secondary antibodies with the PLUS oligo and the other with the MINUS oligo. Or, combine one labeled secondary antibody with a standard secondary Duolink(R)In Situ PLA probe.Test your primary antibodies…

  • …both primary antibodies derived from species other than mouse, rabbit or goat. Label one of your secondary antibodies with the PLUS oligo and the other with the MINUS oligo. Or, combine one labeled secondary antibody with a standard secondary Duolink(R) In Situ PLA probe.Test your primary antibodies…

  • Polyethyleneimine is a branched chain polymer having a ratio of 1:2:1 of primary:secondary:tertiary amines with a branching site every 3 to 3.5 nitrogen atoms and a base structure of (CH2CH2NH)x. The nitrogen atoms must be protonated to achieve cationic charge, so the cationic…

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