AFG Bioscience Chemicals Reagents L
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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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Lithium chromate
AFG BioscienceCAS No.: 14307-35-8 Molecular Formula: Li2CrO4 Molecular Weight: 129.87 MDL No.: MFCD00016175 Storage Temperature: Store at RT
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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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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-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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L-Asparagine 7-amido-4-methylcoumarin trifluoroacetate
AFG BioscienceSynonyms: L-Asn-AMC·TFA CAS No.: 115047-90-0 Molecular Formula: C14H15N3O4·C2HO2F3 Molecular Weight: 403.32 MDL No.: MFCD00078916 Storage Temperature: Store at 0-8°C
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L-Norvalinol ; >/= 99% (GC)
AFG BioscienceSynonyms: (S)-2-Aminopentan-1-ol Purity Limit: ≥ 99% (GC) CAS No.: 22724-81-8 Molecular Formula: C5H13NO Molecular Weight: 103.16 MDL No.: MFCD02683229 Appearance: White solid Optical Rotation: [a]D24 = +18.0 ± 2º (C=1 in CHCl3) Storage Temperature: Store at 0-8 °C
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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-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-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-ß-Homoleucine hydrochloride ; >/= 98% (NMR)
AFG BioscienceSynonyms: L-ß-HomoLeu-OH·HCl(S)-3-Amino-5-methylhexanoic acid hydrochloride Purity Limit: ≥ 98% (NMR) CAS No.: 96386-92-4 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.66 MDL No.: MFCD01862871 Appearance: White powder Storage Temperature: Store at 0-8°C
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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-Anserine·nitrate ; >/= 99% (TLC)
AFG BioscienceSynonyms: 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
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Leu-Leu-OMe ; >/= 97% (HPLC)
AFG BiosciencePurity Limit: ≥ 97% (HPLC) Molecular Formula: C13H26N2O3·HCl Molecular Weight: 294.82 MDL No.: MFCD00155477 Appearance: White to off-white pwoder Comments: Possesses immunosuppressive activity. Melting Point: 171-184 °C Optical Rotation: [a]D20 = - 10 ± 2 º (C=1 in MeOH) …
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L-allo-Threoninol
AFG BioscienceSynonyms: L-allo-Thr-ol (2R,3S)-2-Amino-1,3-butanediol Molecular Formula: C4H11NO2 Molecular Weight: 105.1 MDL No.: MFCD00672370 Storage Temperature: Store at 0-8°C
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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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L-Leucine a-naphthylamide ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Leu-aNA Purity Limit: ≥ 98% (TLC) CAS No.: 203793-55-9 Molecular Formula: C16H20N2O Molecular Weight: 256.35 MDL No.: MFCD00083643 Comments: Substrate for a histochemical assay of aminopeptidase M. Melting Point: 79-85 °C Optical Rotation: [a]D24 = +12 ± 2º…
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L-a-Lysophosphatidylcholine (from egg yolk) ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-á-Lysolecithin Purity Limit: ≥ 99% (TLC) CAS No.: 9008-30-4 MDL No.: MFCD00131444 Appearance: White powder Storage Temperature: Store at ≤ -20 °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-Histidine amide dihydrochloride ; >/= 99% (TLC)
AFG BiosciencePurity Limit: ≥ 99% (TLC) CAS No.: 71666-95-0 Molecular Formula: C6H10N4O·2HCl Molecular Weight: 227.2 MDL No.: MFCD00058559 Appearance: White powder Optical Rotation: [a]D24 = +23 ± 2º (C=1 in H2O) Storage Temperature: Store at 0-8 °C
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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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L-Alanine 4-nitroanilide hydrochloride ; >/= 99% (HPLC)
AFG BioscienceSynonyms: L-Ala-pNA·HCl Purity Limit: ≥ 99% (HPLC) CAS No.: 31796-55-1 Molecular Formula: C9H11N3O3·HCl Molecular Weight: 245.7 MDL No.: MFCD00039088 Appearance: Off-white crystalline powder Melting Point: 181-186 °C Optical Rotation: [a]D20 = +11 ± 2º (C=1 in MeOH) …
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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-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: 4-O-ß-D-Galactopyranosyl-a-D-glucoseMilk sugar Grade: NF/USP, EP, JP Purity Limit: ≥ 99% CAS No.: 64044-51-5 Molecular Formula: C12H22O11·H2O Molecular Weight: 360.32 MDL No.: MFCD00150747 Appearance: White crystalline powder Comments: [a]22 +52.4°, c = 4.5 in…
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D-Leu-Gly-OH, 95% (HPLC)
AFG BioscienceCAS # 997-05-7 Synonyms: D-Leucylglycine MDL No.: MFCD00067198 Molecular Formula: C8H16N2O3 Molecular Weight: 188.23 Purity Limit: 95% (HPLC) Storage Temp: Store at 0-8°C Appearance: White powder
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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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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-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-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-ß-Homolysine dihydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-ß-HomoLys-OH·2HClL-ß-Homolysine dihydrochloride Purity Limit: ≥ 98% (HPLC) CAS No.: 192003-02-4 Molecular Formula: C7H16N2O2·2HCl Molecular Weight: 233.14 MDL No.: MFCD03427582 Appearance: White to off-white powder Optical Rotation: [a]D25 = +15 ± 2º (C=1 in…
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L-Alanine amide hydrobromide ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Ala-NH2·HBr Purity Limit: ≥ 98% (HPLC) CAS No.: 102029-80-1 Molecular Formula: C3H8N2O·HBr Molecular Weight: 169.02 MDL No.: MFCD00050707 Appearance: White solid Optical Rotation: [a]D20 = +8 ± 2º (C=1.1, in H2O) Storage Temperature: Store at 0-8°C