Reagents, L

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  • L-Threonine ; >/= 99.5% (Assay)

    AFG Bioscience

    Synonyms: L-Thr-OH(2S,3R)-2-Amino-3-hydroxybutyric acid Purity Limit: ≥ 99.5% (Assay) CAS No.: 72-19-5 Molecular Formula: C4H9NO3 Molecular Weight: 119.1 MDL No.: MFCD00064270 Appearance: White crystals or crystalline powder Melting Point: 256°C (dec) Optical Rotation: …

  • L-Homophenylalanine ethyl ester hydrochloride ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: L-HomoPhe-OEt·HCl (S)-2-Amino-4-phenylbutyric acid ethyl ester hydrochloride Purity Limit: ≥ 98% (HPLC) CAS No.: 90891-21-7 Molecular Formula: C12H17NO2·HCl Molecular Weight: 243.73 MDL No.: MFCD00190691 Appearance: White powder Melting Point: 151-156 °C Iupac…

  • Lithium chloride ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7447-41-8 Molecular Formula: LiCl Molecular Weight: 42.39 MDL No.: MFCD00011078 Appearance: White cystalline powder Comments: Matrix modifier Melting Point: 613 °C (Approx.) Storage Temperature: Store at RT

  • L-2-Naphthylalanine methyl ester hydrochloride ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: L-Ala(2-naphthyl)-OMe·HCl Purity Limit: ≥ 99% (HPLC) CAS No.: 63024-26-0 Molecular Formula: C14H15NO2·HCl Molecular Weight: 265.74 MDL No.: MFCD08458519 Appearance: White to yellow powder Melting Point: 173-179 °C Storage Temperature: Store at 0-8 °C

  • L-Cysteine ethyl ester hydrochloride ; >/= 99% (Titration)

    AFG Bioscience

    Synonyms: L-Cys-OEt·HCl Purity Limit: ≥ 99% (Titration) CAS No.: 868-59-7 Molecular Formula: C5H11NO2S·HCl Molecular Weight: 185.7 MDL No.: MFCD00012631 Appearance: White crystalline powder Melting Point: 123-125°C Optical Rotation: [a]D20 = -12.0 to -15.0º Storage…

  • Litmus Indicator

    AFG Bioscience

    Grade: Indicator CAS No.: 1393-92-6 Molecular Weight: 0 MDL No.: MFCD00131528 Appearance: Dark blue powder Storage Temperature: Store at RT.

  • L-Leucine 7-amido-4-methylcoumarin ; >/= 99.5% (HPLC)

    AFG Bioscience

    Synonyms: L-Leu-AMC Purity Limit: ≥99.5% (HPLC) CAS No.: 66447-31-2 Molecular Formula: C16H20N2O3 Molecular Weight: 288.37 MDL No.: MFCD00056095 Appearance: White powder Comments: Sensitive fluorogenic substrate for leucine aminopeptidase and aminopeptidase M. Melting…

  • L-Asparagine methyl ester hydrochloride ; >/= 95% (HPLC)

    AFG Bioscience

    Synonyms: L-Asn-OMe·HCl Purity Limit: ≥ 95% (HPLC) CAS No.: 57461-34-4 Molecular Formula: C5H10N2O3·HCl Molecular Weight: 182.61 MDL No.: MFCD01317794 Appearance: White solid Storage Temperature: Store at 0-8°C

  • Lithium metaborate anhydrous ; >/= 99.9% (Metal basis)

    AFG Bioscience

    Synonyms: Boric acid lithium salt Purity Limit: ≥ 99.9% (Metal basis) CAS No.: 13453-69-5 Molecular Formula: LiBO2 Molecular Weight: 49.75 MDL No.: MFCD00011089 Appearance: White powder Density: 1.397 Melting Point: 845 °C Storage Temperature: Store at RT

  • L-Phenylalanine 4-nitroanilide

    AFG Bioscience

    Synonyms: L-Phe-pNA CAS No.: 2360-97-6 Molecular Formula: C15H15N3O3 Molecular Weight: 285.3 MDL No.: MFCD00038110 Storage Temperature: Store at 0-8°C

  • L-Asparagine anhydrous ; 98.5-101% (Assay)

    AFG Bioscience

    Synonyms: L-Asn-OH(S)-2-Aminosuccinic acid 4-amideL-Aspartic acid 4-amide Purity Limit: 98.5-101% (Assay) CAS No.: 70-47-3 Molecular Formula: C4H8N2O3 Molecular Weight: 132.12 MDL No.: MFCD00064401 Appearance: White crystalline powder Melting Point: 235°C (dec) Optical…

  • L(-)-Fucose ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: 6-Deoxy-L-galactopyranose6-Deoxy-a-L-galactose Purity Limit: ≥ 99% (HPLC) CAS No.: 6696-41-9 Molecular Formula: C6H12O5 Molecular Weight: 164.16 MDL No.: MFCD00069812 Appearance: White crystalline powder Melting Point: 150-153°C Optical Rotation: [a]D20 = -75 ±…

  • Lithium sulfate monohydrate ; >/= 99.9% (Assay)

    AFG Bioscience

    Synonyms: Lithiophor monohydrate Purity Limit: ≥ 99.9% (Assay) CAS No.: 10102-25-7 Molecular Formula: Li2SO4·H2O Molecular Weight: 127.96 MDL No.: MFCD00149766 Appearance: Colorless crystalline Powder Storage Temperature: Store at RT

  • L-Histidinol dihydrochloride ; >/= 99% (TLC)

    AFG Bioscience

    Synonyms: (S)-2-Amino-3-(4-imidazolyl)propanol dihydrochloride Purity Limit: ≥ 99% (TLC) CAS No.: 1596-64-1 Molecular Formula: C6H11N3O·2HCl Molecular Weight: 214.16 MDL No.: MFCD00078058 Appearance: White crystalline powder Melting Point: 199-203 °C Storage Temperature: …

  • L-Tyrosine 4-nitroanilide ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: L-Tyr-pNA Purity Limit: ≥ 99% (HPLC) CAS No.: 52551-07-2 Molecular Formula: C15H15N3O4 Molecular Weight: 301.3 MDL No.: MFCD00155550 Appearance: Yellow crystalline powder Melting Point: 200-206 °C Optical Rotation: [a]D20 = +146.4 ± 4º (C=1 in 80% AcOH) …

  • Luminol ; >/= 99% (Titration)

    AFG Bioscience

    Synonyms: 3-Aminophthalhydrazide5-Amino-1,2,3,4-tetrahydro-1,4-phthalazinedione Purity Limit: ≥ 99% (Titration) CAS No.: 521-31-3 Molecular Formula: C8H7N3O2 Molecular Weight: 177.16 MDL No.: MFCD00006890 Appearance: Lemon yellow powder Melting Point: 315-321 °C Storage…

  • L-Homoserine ; 98%

    AFG Bioscience

    Synonyms: L-HomoSer-OH L-2-Amino-4-hydroxybutyric acid (S)-2-Amino-4-hydroxybutyric acid Purity Limit: 98% CAS No.: 672-15-1 Molecular Formula: C4H9NO3 Molecular Weight: 119.12 MDL No.: MFCD00063090 Melting Point: 203°C (dec) Storage Temperature: Store at RT

  • L-Alanine tert-butyl ester hydrochloride

    AFG Bioscience

    Synonyms: L-Ala-OtBu·HCl CAS No.: 13404-22-3 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.7 MDL No.: MFCD00035524 Storage Temperature: Store at 0-8°C

  • L-Asparagine-2-chlorotrityl resin

    AFG Bioscience

    Synonyms: L-Asparagine-2-chlorotrityl resin MDL No.: MFCD00801401 Appearance: Yellow beads DVB: 1% DVB Mesh Size: 200-400 Storage Temperature: Store at 0-8 °C Substitution: 0.3-08 meq/g

  • L-3,5-Dibromotyrosine ; 99+%

    AFG Bioscience

    Synonyms: 3,5-Dibromo-L-Tyr-OH (S)-3-(3,5-dibromo-4-hydroxyphenyl)alanine Purity Limit: 99+% CAS No.: 300-38-9 Molecular Formula: C9H9Br2NO3 Molecular Weight: 339 MDL No.: MFCD00037204 Appearance: Crystalline Storage Temperature: Store at RT

  • L-Methionine sulfoxide ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: L-Met(O)-OHL-2-Amino-4-(methylsulfoxyl)butanoic acid Purity Limit: ≥ 99% (HPLC) CAS No.: 3226-65-1 Molecular Formula: C5H11NO3S Molecular Weight: 165.2 MDL No.: MFCD00063093 Appearance: White to off-white powder Melting Point: 236-246 °C Optical Rotation: …

  • L-ß-Homomethionine hydrochloride ; >/= 98% (NMR)

    AFG Bioscience

    Synonyms: L-ß-HomoMet-OH·HCl(R)-3-Amino-5-(methylthio)pentanoic acid hydrochloride Purity Limit: ≥ 98% (NMR) CAS No.: 75946-25-7 Molecular Formula: C6H13NO2S·HCl Molecular Weight: 199.7 MDL No.: MFCD01862854 Appearance: White powder Optical Rotation: [a]D25 = +14.0 ± 2º…

  • L-Anserine·nitrate ; >/= 99% (TLC)

    AFG Bioscience

    Synonyms: H-ß-Ala-His(3-Me)-OH·nitrate Purity Limit: ≥ 99% (TLC) CAS No.: 10030-52-1 Molecular Formula: C10H16N4O3·HNO3 Molecular Weight: 303.27 MDL No.: MFCD00037001 Appearance: White powder with lumps Melting Point: 217-221 °C Storage Temperature: Store at 0-8 °C

  • L-Norleucine methyl ester hydrochloride ; >/= 99%

    AFG Bioscience

    Synonyms: L-Nle-OMe·HCl L-2-Aminohexanoic acid methyl ester hydrochloride Purity Limit: ≥ 99% CAS No.: 3844-54-0 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.7 MDL No.: MFCD00077151 Melting Point: 134-140º C Optical Rotation: +24.5±1º (c=1.1% in MeOH) Storage…

  • L-4-trans-Hydroxyproline methyl ester hydrochloride ; >/= 97% (HPLC)

    AFG Bioscience

    Synonyms: L-Hyp-OMe·HCl Purity Limit: ≥ 97% (HPLC) CAS No.: 40216-83-9 Molecular Formula: C6H11NO3·HCl Molecular Weight: 181.6 MDL No.: MFCD00080855 Appearance: White or off-white crystalline powder Melting Point: 161-172 °C Storage Temperature: Store at 0-8 °C

  • L-Serine amide hydrochloride ; >/= 98% (NMR)

    AFG Bioscience

    Synonyms: L-Ser-NH2·HClL-ß-Hydroxyalanine amide hydrochloride Purity Limit: ≥ 98% (NMR) CAS No.: 65414-74-6 Molecular Formula: C3H8N2O2·HCl Molecular Weight: 140.57 MDL No.: MFCD00067560 Appearance: White powder Storage Temperature: Store at 0-8 °C

  • L-Isoleucine methyl ester hydrochloride

    AFG Bioscience

    Synonyms: L-Ile-OMe·HCl CAS No.: 18598-74-8 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.7 MDL No.: MFCD00038911 Appearance: Crystalline Storage Temperature: Store at 0-8°C

  • L-Ornithine-7-amido-4-methylcoumarin hydrochloride ; >/= 96% (HPLC)

    AFG Bioscience

    Synonyms: L-Orn-AMC·HCl Purity Limit: ≥ 96% (HPLC) CAS No.: 207734-84-7 Molecular Formula: C16H21N3O2·HCl Molecular Weight: 325.83 MDL No.: MFCD00798408 Appearance: Light pink powder Storage Temperature: Store at 0-8 °C

  • L-Tyrosine benzyl ester ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: L-Tyr-OBzl Purity Limit: ≥ 98% (HPLC) CAS No.: 42406-77-9 Molecular Formula: C16H17NO3 Molecular Weight: 271.30 MDL No.: MFCD00191034 Appearance: White powder Melting Point: 119-124 ºC Optical Rotation: [a]D20 = -13 ± 2º (C=2 in MeOH) Storage Temperature: …

  • L-Cycloserine ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: L-4-Amino-3-isoxazolidinone(S)-4-Amino-3-isoxazolidinone Purity Limit: ≥ 98% (HPLC) CAS No.: 339-72-0 Molecular Formula: C3H6N2O2 Molecular Weight: 102.1 MDL No.: MFCD00064324 Appearance: White powder Optical Rotation: [a]D24 = -108 ± 2º (C=1 in H2O) Storage…

  • L-2-Methoxyphenylalanine ; 99+%

    AFG Bioscience

    Synonyms: L-Phe(2-OMe)-OH o-Methoxy-L-phenylalanine (S)-2-Amino-3-(2-methoxyphenyl)propionic acid Purity Limit: 99+% CAS No.: 193546-31-5 Molecular Formula: C10H13NO3 Molecular Weight: 195.2 MDL No.: MFCD01632036 Storage Temperature: Store at 0-8°C

  • L-2-Cyclohexylglycine hydrochloride

    AFG Bioscience

    Synonyms: L-Chg-OH·HCl H-Cyclohexyl-L-Gly-OH·HCl (S)-Cyclohexylglycine hydrochloride CAS No.: 14328-51-9 Molecular Formula: C8H15NO2·HCl Molecular Weight: 193.7 MDL No.: MFCD00050539 Storage Temperature: Store at 0-8°C

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