Reagents, L, AFG Bioscience, Containers
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L-Isoleucine ß-naphthylamide
AFG BioscienceSynonyms: L-Ile-ßNA CAS No.: 732-84-3 Molecular Formula: C16H20N2O Molecular Weight: 256.19 MDL No.: MFCD00055912 Storage Temperature: Store at 0-8°C
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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-Arg-Pro-pNA ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Arginyl-L-proline 4-nitroanilide Purity Limit: ≥ 98% (TLC) CAS No.: 112898-06-3 Molecular Formula: C17H25N7O4 Molecular Weight: 391.43 MDL No.: MFCD00077099 Appearance: Yellow powder Comments: Substrate for Dipeptidyl peptidase IV. Storage Temperature: Store…
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L-Asparagine tert-butyl ester ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Asn-OtBu Purity Limit: ≥ 98% (HPLC) CAS No.: 25456-86-4 Molecular Formula: C8H16N2O3 Molecular Weight: 188.2 MDL No.: MFCD00190755 Appearance: White to off white powder Storage Temperature: Store at 0-8°C
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L-Threonine O-phosphate ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-Thr(PO3H2)-OHL-2-Amino-3-hydroxybutanoic acid 3-phosphate Purity Limit: ≥ 99% (TLC) CAS No.: 1114-81-4 Molecular Formula: C4H10NO6P Molecular Weight: 199.1 MDL No.: MFCD00069578 Appearance: White powder Storage Temperature: Store at ≤ -4 °C
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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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Purity Limit: ≥ 99% (Assay) CAS No.: 28319-77-9 Molecular Formula: C8H20NO6P Molecular Weight: 257.2 MDL No.: MFCD00063544 Appearance: Lyophilized white powder Optical Rotation: [a]D20 = -3 ± 2º Storage Temperature: Store at ≤ -4 °C
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L-Leucine 4-nitroanilide, 99% (HPLC)
AFG BioscienceCAS # 4178-93-2 Synonyms: L-Leu-pNA Comments: Substrate for the colorimetric determination of leucine aminopeptidase. MDL No.: MFCD00063681 Melting Point: 86-92 °C Molecular Formula: C12H17N3O3 Molecular Weight: 251.3 Optical Rotation: [a]D20 = +102 ± 2º (C=1 in 1N HCl) Purity…
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D-Luciferin, 99% (HPLC)
AFG BioscienceCAS # 2591-17-5 Synonyms: (S)-2-(6-Hydroxy-2-benzothiazolyl)-2-thiazoline-4-carboxylic acid MDL No.: MFCD00042929 Molecular Formula: C11H8N2O3S2 Molecular Weight: 280.33 Purity Limit: 99% (HPLC) Storage Temp: Store at -20 °C Appearance: Light yellow powder
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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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Lys-Ala-ßNA
AFG BioscienceSynonyms: 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
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Lauroyl coenzyme A, 94% (TLC)
AFG BioscienceCAS # 6244-92-4 Synonyms: n-Dodecanoyl coenzyme A MDL No.: MFCD00079417 Molecular Formula: C33H58N7O17P3S Molecular Weight: 00950 Purity Limit: 94% (TLC) Storage Temp: Store at 0-8 °C Appearance: White powder
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L-a-Methylproline ; >/= 98% (NMR)
AFG BioscienceSynonyms: a-Me-L-Pro-OH(S)-2-Methyl-2-pyrrolidinecarboxylic acid Purity Limit: ≥ 98% (NMR) CAS No.: 42856-71-3 Molecular Formula: C6H11NO2 Molecular Weight: 129.16 MDL No.: MFCD01318647 Appearance: White to off-white powder Optical Rotation: [a]D20 = -73.0 ± 3º (C=1 in…
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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-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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Leu-Trp-OMe ; >/= 97% (HPLC)
AFG BiosciencePurity Limit: ≥ 97% (HPLC) Molecular Formula: C18H25N3O3·HCl Molecular Weight: 367.88 MDL No.: MFCD00155480 Appearance: White powder Storage Temperature: Store at ≤ -4 °C
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L-ß-Homoserine ; >/= 98% (NMR)
AFG BioscienceSynonyms: 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…
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L-Asparagine methyl ester hydrochloride ; >/= 95% (HPLC)
AFG BioscienceSynonyms: 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
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L-ß-HomoAla(3-benzothienyl)-OH·HCl ; >/= 99% (TLC)
AFG BioscienceSynonyms: (3-Benzothienyl)-L-ß-homoalanine hydrochloride(S)-3-Amino-4-(3-benzothienyl)butyric acid hydrochloride Purity Limit: ≥ 99% (TLC) CAS No.: 270063-44-0 Molecular Formula: C12H13NO2S·HCl Molecular Weight: 271.76 MDL No.: MFCD01861040 Appearance: White powder Melting…
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L-ß-Homomethionine hydrochloride ; >/= 98% (NMR)
AFG BioscienceSynonyms: 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…
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L-ß-Homotryptophan hydrochloride ; >/= 98%
AFG BioscienceSynonyms: L-ß-HomoTrp-OH·HCl(S)-3-Amino-4-(3-indolyl)butyric acid hydrochloride Purity Limit: ≥ 98% CAS No.: 339994-86-4 Molecular Formula: C12H14N2O2·HCl Molecular Weight: 254.72 MDL No.: MFCD01862876 Appearance: Grey solid Optical Rotation: [a]D25 = -29 ± 2º (C=1 in DMF) …
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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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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-Methionine ß-naphthylamide ; >/= 99% (TLC)
AFG BioscienceSynonyms: 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
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L-Tryptophan ß-naphthylamide ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-Trp-ßNA Purity Limit: ≥ 99% (TLC) CAS No.: 3326-63-4 Molecular Formula: C21H19N3O Molecular Weight: 329.38 MDL No.: MFCD00051194 Appearance: White powder Optical Rotation: [a]D20 = +85 ± 2º (C=1 in MeOH) Storage Temperature: Store at 0-8°C
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L-Histidine ß-naphthylamide
AFG BioscienceSynonyms: L-His-ßNA CAS No.: 7424-15-9 Molecular Formula: C16H16N4O Molecular Weight: 280.01 MDL No.: MFCD00051166 Storage Temperature: Store at 0-8°C
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L-Homoleucine Hydrochloride ; >/= 96% (TLC)
AFG BioscienceSynonyms: L-HomoLeu-OH·HCl Purity Limit: ≥ 96% (TLC) CAS No.: 96386-92-4 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.66 MDL No.: MFCD06795775 Storage Temperature: Store at 0-8°C
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L-Serine methyl ester hydrochloride ; >/= 99.9% (titration)
AFG BioscienceSynonyms: L-Ser-Ome·HCl L-ß-Hydroxyalanine methyl ester hydrochloride Purity Limit: ≥ 99.9% (titration) CAS No.: 5680-80-8 Molecular Formula: C4H9O3N·HCl Molecular Weight: 155.58 MDL No.: MFCD00063680 Appearance: White or off-white crystalline powder Melting Point: 158-166…
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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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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-Citrulline ß-naphthylamide hydrobromide ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-Cit-ßNA·HBr(S)-2-Amino-5-ureidopentanoic acid ß-naphthylamide hydrobromideL-Orn(carbamoyl)-ßNA·HBr Purity Limit: ≥ 99% (TLC) CAS No.: 201988-71-8 Molecular Formula: C16H20N4O2·HBr Molecular Weight: 381.43 MDL No.: MFCD00672746 Appearance: White product Melting…
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L-Valine-2-chlorotrityl resin(0.3-0.8 meq/g, 200-400 mesh)
AFG BioscienceSynonyms: L-Val-2-chlorotrityl resin MDL No.: MFCD06809947 Appearance: Yellow powder DVB: 1% DVB Mesh Size: 200-400 mesh Storage Temperature: Store at 0-8 °C Substitution: 0.3-0.8 meq/g
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