AFG Bioscience Chemicals Reagents L
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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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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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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-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-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-Serine ß-naphthylamide ; >/= 99% (TLC)
AFG BioscienceSynonyms: L-Ser-ßNAL-ß-Hydroxyalanine ß-naphthylamide Purity Limit: ≥ 99% (TLC) CAS No.: 888-74-4 Molecular Formula: C13H14N2O2 Molecular Weight: 230.27 MDL No.: MFCD00080939 Appearance: White to slightly pink powder Optical Rotation: [a]D24 = -9 ± 2º (C=1 in MeOH) …
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Synonyms: (H-L-Cys-OtBu)2·2HCl Purity Limit: ≥ 97% (TLC) CAS No.: 38261-78-8 Molecular Formula: C14H28N2O4S2·2HCl Molecular Weight: 425.44 MDL No.: MFCD00237452 Appearance: White solid Optical Rotation: [a]D20 = -98 ± 2º (C=1 in H2O) Storage Temperature: Store at 0-8 °C
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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-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-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-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-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-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-ß-Homoglutamine hydrochloride ; >/= 98% (NMR)
AFG BioscienceSynonyms: L-ß-HomoGln-OH·HCl(S)-3-Aminoadipic acid 6-amide hydrochloride Purity Limit: ≥ 98% (NMR) CAS No.: 336182-05-9 Molecular Formula: C6H12N2O3·HCl Molecular Weight: 196.63 MDL No.: MFCD01862846 Appearance: White powder Optical Rotation: [a]D25 = +22.0 ± 2º (C=1 in…
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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-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-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-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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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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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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Leu-Gly-OH ; >/= 95% (HPLC)
AFG BioscienceSynonyms: L-Leucyl-glycine Purity Limit: ≥ 95% (HPLC) CAS No.: 686-50-0 Molecular Formula: C8H16N2O3 Molecular Weight: 188.22 MDL No.: MFCD00065940 Appearance: White powder Comments: This dipeptide inhibits the ubiquitin-mediated proteolysis. Storage Temperature: Store…
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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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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-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-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-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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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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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-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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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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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