Reagents, L, AFG Bioscience, 25 g
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L-Leucinol
AFG BioscienceCAS No.: 7533-40-6 Molecular Formula: C6H15NO Molecular Weight: 117.19 MDL No.: MFCD00063676 Storage Temperature: Store at 0-8°C
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L-Prolinol (oil)
AFG BioscienceSynonyms: (S)-2-Hydroxymethyl-pyrrolidine (S)-2-Pyrrolidinemethanol CAS No.: 23356-96-9 Molecular Formula: C5H11NO Molecular Weight: 101.14 MDL No.: MFCD00005255 Storage Temperature: Store at 0-8°C Warnings: Irritant!
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L-Phenylalanine amide hydrochloride ; >/= 99% (HPLC)
AFG BioscienceSynonyms: L-Phe-NH2·HCl Purity Limit: ≥ 99% (HPLC) CAS No.: 65864-22-4 Molecular Formula: C9H12N2O·HCl Molecular Weight: 200.7 MDL No.: MFCD00039083 Appearance: White powder Melting Point: 231-236 °C Optical Rotation: [a]D20 = +30.4 ± 2º (C=1 in DMF) Storage…
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L-Valine methyl ester hydrochloride ; 99%
AFG BioscienceSynonyms: L-Val-OMe·HCl Purity Limit: 99% CAS No.: 6306-52-1 Molecular Formula: C6H13NO2·HCl Molecular Weight: 167.6 MDL No.: MFCD00012497 Appearance: Crystalline Melting Point: 171-173°C Storage Temperature: Store at RT
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L-Norvaline ; 99%
AFG BioscienceSynonyms: L-Nva-OH L-2-Aminovaleric acid (S)-2-Aminopentanoic acid Purity Limit: 99% CAS No.: 6600-40-4 Molecular Formula: C5H11NO2 Molecular Weight: 117.1 MDL No.: MFCD00064421 Melting Point: >300°C Storage Temperature: Store at RT
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Synonyms: L-Leu-NHNHZ·TFA Purity Limit: ≥ 99% (HPLC) CAS No.: 19635-96-2 Molecular Formula: C14H21N3O3·C2HO2F3 Molecular Weight: 393.4 MDL No.: MFCD00058483 Melting Point: 180-186 °C Optical Rotation: [a]D22 = +25 ± 2º (C=1% in MeOH) Storage Temperature: Store at 0-8°C
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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: …
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L-Isoleucine-2-chlorotrityl resin
AFG BioscienceSynonyms: 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
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L-Threonine benzyl ester oxalate(1:1)
AFG BioscienceSynonyms: L-Thr-OBzl·oxalate(1:1) CAS No.: 201274-07-9 Molecular Formula: C11H15NO3·C2H2O4 Molecular Weight: 299.3 MDL No.: MFCD02259509 Storage Temperature: Store at 0-8°C
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L-Isoleucine 4-nitroanilide ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-Ile-pNA Purity Limit: ≥ 99% (TLC) CAS No.: 70324-66-2 Molecular Formula: C12H17N3O3 Molecular Weight: 251.29 MDL No.: MFCD00238006 Appearance: Yellow to white powder with tubbers Melting Point: 58-62 °C Optical Rotation: [a]D24 = +125 ± 2º (C=1% in 1N HCl) …
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L-Leucine tert-butyl ester hydrochloride
AFG BioscienceSynonyms: L-Leu-OtBu·HCl (S)-2-amino-4-methyl-pentanoic acid t-butyl ester hydrochloride CAS No.: 2748-02-9 Molecular Formula: C10H21NO2·HCl Molecular Weight: 223.7 MDL No.: MFCD00038906 Appearance: Crystalline Storage Temperature: Store at 0-8°C
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L-Ornithine methyl ester dihydrochloride ; 99%
AFG BioscienceSynonyms: L-Orn-OMe·2HCl Purity Limit: 99% CAS No.: 40216-82-8 Molecular Formula: C6H14N2O2·2HCl Molecular Weight: 219.12 MDL No.: MFCD00190977 Storage Temperature: Store at 0-8°C
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L-Phenylglycine tert-butyl ester ; >/= 99% (HPLC)
AFG BioscienceSynonyms: L-Phg-OtBu Purity Limit: ≥ 99% (HPLC) CAS No.: 53934-78-4 Molecular Formula: C12H17NO2 Molecular Weight: 207.27 MDL No.: MFCD00238136 Appearance: White powder Melting Point: 178-189 ºC Optical Rotation: [a]D20 = +64.0 ± 2º (C=1 in MeOH) Storage Temperature: …
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L-Valine tert-butyl ester hydrochloride ; >/= 99% (HPLC)
AFG BioscienceSynonyms: L-Val-OtBu·HCl Purity Limit: ≥ 99% (HPLC) CAS No.: 13518-40-6 Molecular Formula: C9H19NO2·HCl Molecular Weight: 209.7 MDL No.: MFCD00034863 Appearance: White powder Melting Point: 138-146 ºC Optical Rotation: [a]D20 = +4.4 ± 1º (C=2 in H2O) Storage…
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Lithium iodide ; >/= 99.9% (Assay)
AFG BiosciencePurity Limit: ≥ 99.9% (Assay) CAS No.: 10377-51-2 Molecular Formula: I·Li Molecular Weight: 133.84 MDL No.: MFCD00011092 Appearance: White to pale yellow crystalline powder Storage Temperature: Store at RT
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L-Alanine ; USP ; 98.5-101.5% (Titration: anhydrous basis)
AFG BioscienceSynonyms: L-Ala-OH(S)-2-Aminopropanoic acid Grade: USP Purity Limit: 98.5-101.5% (Titration: anhydrous basis) CAS No.: 56-41-7 Molecular Formula: C3H7NO2 Molecular Weight: 89.09 MDL No.: MFCD00064410 Appearance: White crystals or crystalline powder Optical Rotation: +13.7…
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L-Proline benzyl ester hydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Pro-OBzl·HCl(S)-Pyrrolidine-2-carboxylic acid benzyl ester hydrochloride Purity Limit: ≥ 98% (HPLC) CAS No.: 16652-71-4 Molecular Formula: C12H15NO2·HCl Molecular Weight: 241.7 MDL No.: MFCD00039002 Appearance: White to off-white powder Melting Point: 138-152 °C…
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Synonyms: Lithiophor monohydrate Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration: Dry basis) CAS No.: 10102-25-7 Molecular Formula: Li2SO4·H2O Molecular Weight: 127.96 MDL No.: MFCD00149766 Appearance: White crystalline powder Comments: Used in preparation of lithium…
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L-Norleucine ; 99%
AFG BioscienceSynonyms: L-Nle-OH L-2-Aminohexanoic acid (S)-2-Aminocaproic acid Purity Limit: 99% CAS No.: 327-57-1 Molecular Formula: C6H13NO2 Molecular Weight: 131.18 MDL No.: MFCD00064423 Storage Temperature: Store at RT
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L-Penicillamine ; >/= 99.5% (Titration)
AFG BioscienceSynonyms: 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…
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L-Cysteine from non-animal source ; >/= 99% (Assay)
AFG BiosciencePurity Limit: ≥ 99% (Assay) CAS No.: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight: 121.16 MDL No.: MFCD00064306 Appearance: White crystalline powder Melting Point: 220 °C (dec.) Optical Rotation: [a]D = +7 to +9.5º Storage Temperature: Store at RT
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L-Cysteine ethyl ester hydrochloride ; >/= 99% (Titration)
AFG BioscienceSynonyms: 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…
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L-Phenylalanine 4-nitroanilide
AFG BioscienceSynonyms: 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
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L-3,4-Difluorophenylalanine ; 98+%
AFG BioscienceSynonyms: L-Phe(3,4-DiF)-OH H-3,4-difluoro-L-Phe-OH (S)-2-Amino-3-(3,4-difluorophenyl)propionic acid Purity Limit: 98+% CAS No.: 31105-90-5 Molecular Formula: C9H9F2NO2 Molecular Weight: 201.2 MDL No.: MFCD01075125 Storage Temperature: Store at 0-8°C
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L-Arginine amide dihydrochloride ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Arg-NH2·2HCl Purity Limit: ≥ 98% (TLC) CAS No.: 14975-30-5 Molecular Formula: C6H15N5O·2HCl Molecular Weight: 246.2 MDL No.: MFCD00058286 Appearance: White powder Optical Rotation: [a]D24 = +14 ± 2º (C=1 in H2O) Storage Temperature: Store at 0-8 °C
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L-Alanine tert-butyl ester hydrochloride
AFG BioscienceSynonyms: 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
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L-Tyrosine amide hydrochloride ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Tyr-NH2·HCl Purity Limit: ≥ 98% (TLC) CAS No.: 53559-18-5 Molecular Formula: C9H12N2O2·HCl Molecular Weight: 216.7 MDL No.: MFCD00058285 Appearance: White to off-white powder Optical Rotation: [a]D24 = +28 ± 2 º Storage Temperature: Store at 0-8°C
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L-Homoarginine ; >/= 99% (Assay)
AFG BioscienceSynonyms: L-HomoArg-OH(S)-2-Amino-6-guanidinohexanoic acid Purity Limit: ≥ 99% (Assay) CAS No.: 156-86-5 Molecular Formula: C7H16N4O2 Molecular Weight: 188.20 MDL No.: MFCD00237108 Appearance: White to off-white powder Melting Point: 125-129 °C Optical Rotation: [a]D20 =…
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L-4-Carbamoylphenylalanine ; >/= 97.5% (HPLC)
AFG BioscienceSynonyms: (2S)-2-Amino-3-(4-carbamoylphenyl)propanoic acid Purity Limit: ≥ 97.5% (HPLC) CAS No.: 223593-04-2 Molecular Formula: C10H12N2O3 Molecular Weight: 208.21 MDL No.: MFCD01860658 Appearance: White powder Melting Point: 308-312 ºC (dec.) Optical Rotation: [a]D25 =…
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L-Proline dimethylamide ; 98%
AFG BioscienceSynonyms: L-Pro-NMe2 (S)-Pyrrolidine-2-carboxylic acid dimethylamide Purity Limit: 98% CAS No.: 29802-22-0 Molecular Formula: C7H14N2O Molecular Weight: 142.2 MDL No.: MFCD00083684 Storage Temperature: Store at 0-8°C
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L-Tryptophan benzyl ester hydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Trp-OBzl·HCl Purity Limit: ≥ 98% (HPLC) CAS No.: 35858-81-2 Molecular Formula: C18H18N2O2·HCl Molecular Weight: 330.81 MDL No.: MFCD00058122 Melting Point: 216-222º C Optical Rotation: +7.5±1º (c=1.060% in MeOH) Storage Temperature: Store at 0-8°C
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L-Ribose ; >/= 98% (Assay)
AFG BioscienceSynonyms: L-Ribofuranose(2S,3S,4S)-2,3,4,5-Tetrahydroxypentanal Purity Limit: ≥ 98% (Assay) CAS No.: 24259-59-4 Molecular Formula: C5H10O5 Molecular Weight: 150.13 MDL No.: MFCD00167010 Appearance: White to almost white powder Storage Temperature: Store at 0-8 °C