Reagents, L, AFG Bioscience, 100 g
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L-Arabinose Microbiological Grade ; >/= 99% (HPLC)
AFG BiosciencePurity 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
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L-Glutamine ; >/= 99% (anhydrous assay)
AFG BioscienceSynonyms: L-Gln-OH Purity Limit: ≥ 99% (anhydrous assay) CAS No.: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight: 146.15 MDL No.: MFCD00008044 Appearance: White crystalline powder Melting Point: 185°C (dec) Optical Rotation: [a]D20 = + 6 ± 2 º Storage…
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Lithium chloride ; ACS reagent ; >/= 99.0% (Titration)
AFG BioscienceGrade: 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
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L-Ornithine-a-ketoglutarate ; 99+%
AFG BioscienceSynonyms: 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
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L-3,5-Dibromotyrosine ; 99+%
AFG BioscienceSynonyms: 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
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L-Carnitine ; 99.50%
AFG BioscienceSynonyms: ß-Hydroxy-?-trimethylaminobutyric acid (R)-3-Hydroxy-4-(trimethylammonio)butyrate Purity Limit: 99.50% CAS No.: 541-15-1 Molecular Formula: C7H15NO3 Molecular Weight: 161.2 MDL No.: MFCD00038747 Appearance: White crystalline Storage Temperature: Store at RT …
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L-a,ß-Isopropylideneglycerol ; >/= 99% (GC)
AFG BioscienceSynonyms: 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°,…
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Lead Sulfate ; >/= 98% (Assay)
AFG BioscienceSynonyms: 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
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L-Phenylalanine tert-butyl ester hydrochloride
AFG BioscienceSynonyms: L-Phe-OtBu·HCl CAS No.: 15100-75-1 Molecular Formula: C13H19NO2·HCl Molecular Weight: 257.8 MDL No.: MFCD00038894 Appearance: Crystalline Storage Temperature: Store at 0-8°C
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L-Methionine sulfoxide ; >/= 99% (HPLC)
AFG BioscienceSynonyms: 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: …
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Lithium metaborate, 98.0-102.0% (Titration)
AFG BioscienceCAS # 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 …
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L-Leucine amide ; >/= 98% (GC)
AFG BioscienceSynonyms: L-Leu-NH2 Purity Limit: ≥ 98% (GC) CAS No.: 687-51-4 Molecular Formula: C6H14N2O Molecular Weight: 130.19 MDL No.: MFCD00238027 Appearance: White crystalline powder Melting Point: 90-104 °C (lit.) Optical Rotation: [a]D20 = +7 ± 2º (C=5 g/100 mL H2O) Storage…
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L-Asparagine anhydrous ; 98.5-101% (Assay)
AFG BioscienceSynonyms: 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…
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L-4-trans-Hydroxyproline benzyl ester hydrochloride
AFG BioscienceSynonyms: L-Hyp-OBzl·HCl CAS No.: 62147-27-7 Molecular Formula: C12H15NO3·HCl Molecular Weight: 257.73 MDL No.: MFCD00237998 Storage Temperature: Store at 0-8°C
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L-Tryptophan amide hydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: 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) …
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Lithium tetraborate ; >/= 99% (Assay)
AFG BioscienceSynonyms: 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
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L-Homoserine ; 98%
AFG BioscienceSynonyms: 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
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L-Threonine ; >/= 99.5% (Assay)
AFG BioscienceSynonyms: 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: …
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L-a-tert-Butyl-Gly-OH
AFG BioscienceSynonyms: L-Tle-OH L-a-tert-Butylglycine (S)-2-Amino-3,3-dimethylbutyric acid CAS No.: 20859-02-3 Molecular Formula: C6H13NO2 Molecular Weight: 131.2 MDL No.: MFCD00064218 Storage Temperature: Store at 0-8°C
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L(-)-Fucose ; >/= 99% (HPLC)
AFG BioscienceSynonyms: 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 ±…
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L-Threonine methyl ester hydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: 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…
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Lawesson's reagent ; >/= 98% (Assay)
AFG BioscienceSynonyms: 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-dithione2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide Purity Limit: ≥ 98% (Assay) CAS No.: 19172-47-5 Molecular Formula: C14H14O2P2S4 Molecular Weight: 404.48 MDL No.: MFCD00005171 …
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Lithium acetate ; >/= 98%
AFG BioscienceSynonyms: Acetic acid lithium salt Purity Limit: ≥98% CAS No.: 546-89-4 Molecular Formula: C2H3LiO2 Molecular Weight: 65.98 MDL No.: MFCD00013057 Storage Temperature: Store at RT
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L-Tyrosine tert-butyl ester
AFG BioscienceSynonyms: L-Tyr-OtBu CAS No.: 16874-12-7 Molecular Formula: C13H19NO3 Molecular Weight: 237.3 MDL No.: MFCD00042644 Appearance: Crystalline Storage Temperature: Store at 0-8°C
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L-Histidine ; >/= 99%
AFG BioscienceSynonyms: L-His-OH Purity Limit: ≥ 99% CAS No.: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight: 155.2 MDL No.: MFCD00064315 Appearance: White crystals or crystalline powder Melting Point: 282°C (dec) Optical Rotation: [a]20D = + 12 ± 2 º Storage Temperature: …
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Synonyms: L-Met-OH(S)-Methionine Grade: USP Purity Limit: 98.5-101.5% (Titration: anhydrous basis) CAS No.: 63-68-3 Molecular Formula: C5H11NO2S Molecular Weight: 149.2 MDL No.: MFCD00008077 Appearance: White to off-white crystalline powder Melting Point: 284°C (dec) …
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Lithium carbonate, 99.5% (Assay)
AFG BioscienceCAS # 554-13-2 MDL No.: MFCD00011084 Molecular Formula: Li2CO3 Molecular Weight: 73.89 Purity Limit: 99.5% (Assay) Storage Temp: Store at RT
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Leishman Stain ; = 8%
AFG BioscienceSynonyms: 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
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L-(-)-Xylose ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Xylose Purity Limit: ≥ 98% (TLC) CAS No.: 609-06-3 Molecular Formula: C5H10O5 Molecular Weight: 150.13 MDL No.: MFCD00151096 Appearance: White to off-white crystalline powder Optical Rotation: [a]D = -19 ± 2º (c=10 in Water) Storage Temperature: Store at 0-8 °C
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Light green SF yellowish Certified ; >/= 70% (Dye content)
AFG BioscienceSynonyms: Acid green 5CI 42095 Purity Limit: ≥ 70% (Dye content) CAS No.: 5141-20-8 Molecular Formula: C37H34N2O9S3Na2 Molecular Weight: 792.88 MDL No.: MFCD00012121 Appearance: Deep purple to green powder Storage Temperature: Store at RT
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Lithium tetraborate ; ACS reagent ; 98.0-102.0% (Titration)
AFG BioscienceSynonyms: 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
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L-Lysine hydrate ; >/= 99% (Titration)
AFG BioscienceSynonyms: L-Lys-OH·H2O(S)-2,6-Diaminohexanoic acid monohydrate Purity Limit: ≥ 99% (Titration) CAS No.: 39665-12-8 Molecular Formula: C6H14N2O2·H2O Molecular Weight: 164.2 MDL No.: MFCD00151035 Appearance: White or yellow crystalline powder Optical Rotation: [a]D20 = +24 ±…