Reagents, L

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  • 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…

  • Synonyms: L-Cit-OH(S)-2-Amino-5-ureidopentanoic acidL-Orn(carbamoyl)-OH Purity Limit: ≥ 99% (Assay) CAS No.: 372-75-8 Molecular Formula: C6H13N3O3 Molecular Weight: 175.19 MDL No.: MFCD00064397 Appearance: White crystalline powder Melting Point: 220-221°C (dec) Optical…

  • Synonyms: L-Ornithine 2-oxoglutarate Purity Limit: 99+% CAS No.: 5191-97-9 Molecular Formula: C5H12N2O2·C5H6O5 Molecular Weight: 278.26 MDL No.: MFCD00216457 Appearance: Crystalline powder Storage Temperature: Store at 0-8°C

  • Synonyms: L-Thi(5-Br)-OHL-a-(5-Bromothienyl)alanine Purity Limit: ≥ 99% (HPLC) CAS No.: 154593-58-5 Molecular Formula: C7H8BrNO2S Molecular Weight: 250.11 MDL No.: MFCD04117834 Appearance: White powder Storage Temperature: Store at 0-8°C

  • Synonyms: L-Trp-NH2·HCl Purity Limit: ≥ 98% (HPLC) CAS No.: 5022-65-1 Molecular Formula: C11H13N3O·HCl Molecular Weight: 239.7 MDL No.: MFCD00054315 Appearance: White to off white powder Melting Point: 250-254º C Optical Rotation: [a]20D = +25.00 ± 1º (c=1 in H2O) …

  • Synonyms: L-Pen-OHL-2-Amino-3-mercapto-3-methylbutanoic acid Purity Limit: ≥ 99.5% (Titration) CAS No.: 1113-41-3 Molecular Formula: C5H11NO2S Molecular Weight: 149.20 MDL No.: MFCD00064303 Appearance: White crystalline powder Optical Rotation: [a]D20 = +63 ± 2º (C=1 in 1N…

  • CAS # 13453-69-5 Synonyms: Boric acid lithium salt Comments: It is used for flux. Grade: ACS reagent MDL No.: MFCD00011089 Melting Point: 845 ºC (Approx.) Molecular Formula: LiBO2 Molecular Weight: 49.75 Purity Limit: 98.0-102.0% (Titration) Storage Temp: Store at RT …

  • Synonyms: L-Ile-2-chlorotrityl resin MDL No.: MFCD00801410 Appearance: Yellow beads DVB: 1% DVB Mesh Size: 200-400 Storage Temperature: Store at 0-8 °C Substitution: 0.3-1.0 meq/g

  • Purity Limit: ≥ 95% Molecular Formula: C12H25N3O2·HCl Molecular Weight: 279.81 MDL No.: MFCD00238028 Comments: Leupeptin and Analogs Storage Temperature: Store at 0-8°C

  • 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

  • Synonyms: L-Cys-OH·HCl·H2O(R)-2-Amino-3-mercaptopropionic acid hydrochloride monohydrate Grade: USP Purity Limit: 99.0-100.5% (Titration: anhydrous basis) CAS No.: 7048-04-6 Molecular Formula: C3H7NO2S·HCl·H2O Molecular Weight: 157.63 MDL No.: MFCD00065606 Optical Rotation: …

  • Synonyms: L-Arg-OH (S)-2-Amino-5-((aminoiminomethyl)amino)pentanoic acid Purity Limit: ≥ 99% (assay) CAS No.: 74-79-3 Molecular Formula: C6H14N4O2 Molecular Weight: 174.2 MDL No.: MFCD00002635 Appearance: White crystalline powder Melting Point: 235°C (dec) Optical…

  • Synonyms: L-Trp-OH(S)-2-Amino-3-(3-indolyl)propionic acid Purity Limit: ≥ 99% (Assay) CAS No.: 73-22-3 Molecular Formula: C11H12N2O2 Molecular Weight: 204.2 MDL No.: MFCD00064340 Appearance: White to light yellow crystalline powder Melting Point: 280-285°C (dec) Optical…

  • Synonyms: Di-Lithium tetraborate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 12007-60-2 Molecular Formula: B4O7·2Li Molecular Weight: 169.12 MDL No.: MFCD00011083 Appearance: White solid Comments: It is used in flux. Storage Temperature: Store at RT

  • Purity Limit: ≥ 99% (Assay) CAS No.: 7550-35-8 Molecular Formula: LiBr Molecular Weight: 86.85 MDL No.: MFCD00011077 Appearance: White powder Storage Temperature: Store at RT

  • Synonyms: Basic Lead acetate Grade: ACS reagent Purity Limit: ≥ 33.0% (Titration) (PbO) CAS No.: 1335-32-6 Molecular Formula: Pb(C2H3O2)2·2Pb(OH)2 Molecular Weight: 807.72 MDL No.: MFCD00013041 Appearance: White crystalline powder Comments: Used in the analysis of…

  • 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: …

  • Purity Limit: ≥ 99% (HPLC) CAS No.: 87-72-9 / 5328-37-0 Molecular Formula: C5H10O5 Molecular Weight: 150.13 MDL No.: MFCD00135866 Appearance: White or off-white powder Melting Point: 160-163°C Optical Rotation: [a]D20 = +101 to +105º Storage Temperature: Store at RT

  • Synonyms: (H-L-Cys-OH)2·2HCl Grade: Non-animal source Purity Limit: ≥ 99% (Assay: anhydrous basis) CAS No.: 30925-07-6 Molecular Formula: C6H12N2O4S2·2HCl Molecular Weight: 313.2 MDL No.: MFCD00070399 Appearance: White to slightly yellow crystalline Optical Rotation: …

  • 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

  • Synonyms: L-Gln-OH(S)-2,5-Diamino-5-oxopentanoic acidL-Glutamic acid 5-amideLevoglutamide Purity Limit: 99.0-101.0% (Titration: anhydrous basis) CAS No.: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight: 146.15 MDL No.: MFCD00008044 Appearance: White crystalline powder …

  • Synonyms: (H-L-Cys-OH)2(-)-3,3'-Dithiobis(2-aminopropionic acid) Purity Limit: ≥ 98% (Titration: anhydrous basis) CAS No.: 56-89-3 Molecular Formula: C6H12N2O4S2 Molecular Weight: 240.3 MDL No.: MFCD00064228 Appearance: White crystals or crystalline powder Melting Point: …

  • Synonyms: L-Met-ßNA Purity Limit: ≥ 99% (TLC) CAS No.: 7424-16-0 Molecular Formula: C15H18N2OS Molecular Weight: 274.39 MDL No.: MFCD00190955 Appearance: Off-white powder Melting Point: 77-84 °C Storage Temperature: Store at 0-8°C

  • Synonyms: Lead(II) sulfate Purity Limit: ≥ 98% (Assay) CAS No.: 7446-14-2 Molecular Formula: PBSO4 Molecular Weight: 303.26 MDL No.: MFCD00011166 Appearance: White to very faintly beige crystals and/ Storage Temperature: Store at RT

  • Synonyms: Di-Lithium tetraborate Purity Limit: ≥ 99% (Assay) CAS No.: 12007-60-2 Molecular Formula: B4O7·2Li Molecular Weight: 169.12 MDL No.: MFCD00011083 Appearance: White crystalline powder Storage Temperature: Store at RT

  • Synonyms: L-2,3-O-isopropylidene-sn-glycerol(R)-2,2-Dimethyl-1,3-dioxolane-4-methanol Purity Limit: ≥ 99% (GC) CAS No.: 14347-78-5 Molecular Formula: C6H12O3 Molecular Weight: 132.2 MDL No.: MFCD00003213 Appearance: Colorless to pale yellow liquid Comments: [a]20/D -13.7°,…

  • Synonyms: L-Pro-2-chlorotrityl resin MDL No.: MFCD00801415 Comments: An excellent resin for the synthesis of peptides containing C-terminal Pro without risk of diketopiperazine formation. DVB: 1% DVB Mesh Size: 100-200 Storage Temperature: Store at 0-8 °C Substitution: 0.3-1.2 meq/g

  • Synonyms: L-ß-HomoSer-OHL-3-Amino-4-hydroxy-butyric acid(R)-3-Amino-4-hydroxy-butyric acid Purity Limit: ≥ 98% (NMR) CAS No.: 16504-56-6 Molecular Formula: C4H9NO3 Molecular Weight: 119.12 MDL No.: MFCD00270242 Appearance: White powder Optical Rotation: [a]D25 = +18.0 ± 2º…

  • Lys-Ala-ßNA

    AFG Bioscience

    Synonyms: Lys-Ala-ß-naphthylamide CAS No.: 20314-31-2 Molecular Formula: C19H26N4O2 Molecular Weight: 342.44 MDL No.: MFCD00038702 Storage Temperature: Store at 0-8°C

  • Leishman Stain ;

    AFG Bioscience

    Synonyms: Eosin Methylene blue according to Leishman Methylene blue-eosin Leishman Purity Limit: ≤ 8% CAS No.: 12627-53-1 Molecular Weight: 0 MDL No.: MFCD00131498 Appearance: Dark green powder Storage Temperature: Store at RT

  • Synonyms: L-Thr-OMe·HCl Purity Limit: ≥ 98% (HPLC) CAS No.: 39994-75-7 Molecular Formula: C5H11NO3·HCl Molecular Weight: 169.6 MDL No.: MFCD00037677 Appearance: Yellow oil Optical Rotation: [a]D20 = -15 ± 2º (C=1 in 5N HCl or C=6 in 5N HCl) Storage Temperature: Store at…

  • L-Homocysteine

    AFG Bioscience

    Synonyms: (S)-2-Amino-4-Mercaptobutanoic Acid CAS No.: 6027-13-0 Molecular Formula: C4H9NO2S Molecular Weight: 135.19 MDL No.: MFCD00151320 Storage Temperature: Store at 0-8°C

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