Reagents, S

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  • S-4-Methoxybenzyl-L-penicillamine ; >/= 97% (HPLC)

    AFG Bioscience

    Synonyms: L-Pen(pMeOBzl)-OHH-ß,ß-Dimethyl-L-Cys(pMeOBzl)-OH Purity Limit: ≥ 97% (HPLC) CAS No.: 387868-34-0 Molecular Formula: C13H19NO3S Molecular Weight: 269.34 MDL No.: MFCD03428497 Appearance: White powder Melting Point: 163-171 °C Optical Rotation: [a]D20 = +56 ± 2º…

  • S-Trityl-D-penicillamine ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: D-Pen(Trt)-OH H-ß,ß-Dimethyl-D-Cys(Trt)-OH Purity Limit: ≥ 99% (HPLC) CAS No.: 150025-01-7 Molecular Formula: C24H25NO2S Molecular Weight: 391.5 MDL No.: MFCD00237409 Melting Point: 153-160ºC Optical Rotation: -136.5º±1º (c=1% in DMF) Storage Temperature: Store…

  • Sirius Red ; >/= 21% (Dye content)

    AFG Bioscience

    Synonyms: Direct Red 80 CI 35780 Purity Limit: ≥21% (Dye content) CAS No.: 2610-10-8 Molecular Formula: C45H26N10Na6O21S6 Molecular Weight: 1373.09 MDL No.: MFCD00054389 Storage Temperature: Store at RT

  • (S)-Methyl 3-(3'-Acetylbiphenyl-4-Yl)-2-Aminopropanoate Hydrochloride

    AFG Bioscience

    Molecular Formula: C18H19NO3·HCl Molecular Weight: 333.81 MDL No.: MFCD09787480 Storage Temperature: Store at 0-8°C

  • (S)-Na-Z-Nß-Boc-2,3-diaminopropan-1-ol ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: Z-L-Dap(Boc)-ol(S)-2-(Z-amino)-3-(Boc-amino)-1-propanol Purity Limit: ≥ 99% (HPLC) CAS No.: 199005-69-1 Molecular Formula: C16H24N2O5 Molecular Weight: 324.4 MDL No.: MFCD06796908 Appearance: White crystalline powder Melting Point: 126-135 °C Optical Rotation: …

  • (S)-Boc-4-(4-pyridyl)-ß-Homoala-OH ; >/= 95% (HPLC)

    AFG Bioscience

    Synonyms: Boc-(4-pyridyl)-L-ß-homoalanine Purity Limit: ≥ 95% (HPLC) CAS No.: 219297-13-9 Molecular Formula: C14H20N2O4 Molecular Weight: 280.32 MDL No.: MFCD01076288 Appearance: Off-white or yellowish powder Melting Point: 138-144 ºC Optical Rotation: [a]D25 = -17.5 ±…

  • S-4-Methylbenzyl-D-cysteine

    AFG Bioscience

    Synonyms: D-Cys(pMeBzl)-OH CAS No.: 127348-02-1 Molecular Formula: C11H15NO2S Molecular Weight: 225.3 MDL No.: MFCD00236945 Storage Temperature: Store at 0-8°C

  • Sodium citrate tribasic dihydrate ; ACS reagent ; >/= 99% (Assay)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99% (Assay) CAS No.: 6132-04-3 Molecular Formula: C6H5O7Na3·2H2O Molecular Weight: 294.10 MDL No.: MFCD00150031 Appearance: White crystalline powder Comments: Sodium citrate is chiefly used as a food additive, usually for flavor or as a…

  • (Succinimidyl 6-[3-(2-pyridyldithio)propionamido]hexanoate) ; >/= 97% (HPLC)

    AFG Bioscience

    Synonyms: LC-SPDP Purity Limit: ≥ 97% (HPLC) CAS No.: 158913-22-5 Molecular Formula: C18H23N3S2O5 Molecular Weight: 425.52 MDL No.: MFCD00083163 Appearance: White powder Melting Point: 82-84 °C Storage Temperature: Store at 0-8 °C

  • (S)-1-Amino-2-propanol ; >/= 96% (GC)

    AFG Bioscience

    Synonyms: (+)-Isopropanolamine Purity Limit: ≥ 96% (GC) CAS No.: 2799-17-9 Molecular Formula: C3H9NO Molecular Weight: 75.11 MDL No.: MFCD00064429 Appearance: Colorless to yellow liquid or solid Melting Point: 22-28º C Optical Rotation: [a]D20 = +18 ± 1º (C=1.8 in Water)…

  • Silica gel 60 for Column chromatography

    AFG Bioscience

    CAS No.: 63231-67-4 MDL No.: MFCD00163736 Appearance: White powder Mesh Size: 0.040-0.063 mm (230-4 Storage Temperature: Store at RT

  • Sodium acetate trihydrate ; ACS reagent ; 99.0-101.0% (Titration)

    AFG Bioscience

    Synonyms: Acetic acid sodium salt Grade: ACS reagent Purity Limit: 99.0-101.0% (Titration) CAS No.: 6131-90-4 Molecular Formula: C2H3O2Na·3H2O Molecular Weight: 136.1 MDL No.: MFCD00071557 Appearance: White crystals Comments: Used as buffers. Melting Point: 58 °C…

  • (S)-Z-oxaproline ; >/= 97% (HPLC)

    AFG Bioscience

    Synonyms: (S)-(-)-3-Z-4-oxazolidinecarboxylic acid Purity Limit: ≥ 97% (HPLC) CAS No.: 97534-82-2 Molecular Formula: C12H13NO5 Molecular Weight: 251.24 MDL No.: MFCD00274193 Appearance: White powder Melting Point: 74-79 °C Optical Rotation: [a]D20 = -83 ± 2º (C=1.0 in…

  • (S)-3-Isopropylamino-1,2-propanediol ; >/= 95% (TLC)

    AFG Bioscience

    Synonyms: (S)-1-Isopropylaminopropanediol Purity Limit: ≥ 95% (TLC) CAS No.: 90742-94-2 Molecular Formula: C6H15NO2 Molecular Weight: 133.19 MDL No.: MFCD00237129 Appearance: White solid Melting Point: 57-61 ºC Optical Rotation: [a]D24 = - 27 ± 2 º (C=1 in water) …

  • Sodium phosphate dibasic heptahydrate ; ACS reagent ; 98.0-102.0% (Titration)

    AFG Bioscience

    Synonyms: Disodium hydrogen phosphate heptahydrate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 7782-85-6 Molecular Formula: Na2HPO4·7H2O Molecular Weight: 268.1 MDL No.: MFCD00149180 Appearance: White crystals Comments: Buffering agent. Storage…

  • Sarcosine tert-butyl ester hydrochloride ; >/= 99.9% (HPLC)

    AFG Bioscience

    Synonyms: Sar-OtBu·HCl N-Methylglycine t-butyl ester hydrochloride Purity Limit: ≥ 99.9% (HPLC) CAS No.: 5616-81-9 Molecular Formula: C7H15NO2·HCl Molecular Weight: 181.7 MDL No.: MFCD00080936 Appearance: White crystalline powder Melting Point: 138-160 ºC Storage…

  • Sulfo-MBS-1

    AFG Bioscience

    CAS No.: 92921-25-0 Molecular Formula: C15H9N2O9SNa Molecular Weight: 416.13 MDL No.: MFCD01318594 Storage Temperature: Store at 0-8°C

  • Sodium tetraborate decahydrate ; ACS reagent ; 99.5-105.0% (Titration)

    AFG Bioscience

    Synonyms: Borax decahydrateSodium borate decahydrate Grade: ACS reagent Purity Limit: 99.5-105.0% (Titration) CAS No.: 1303-96-4 Molecular Formula: Na2B4O7·10H2O Molecular Weight: 381.4 MDL No.: MFCD00149193 Appearance: White powder Comments: Buffers; complexing or masking…

  • (S)-N-a-Fmoc-N'-Boc-homo-lysine ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: Fmoc-L-Holys(Boc)-OH(S)-Fmoc-2-amino-7-(Boc-amino)-heptanoic acid Purity Limit: ≥ 98% (HPLC) CAS No.: 194718-17-7 Molecular Formula: C27H34N2O6 Molecular Weight: 482.57 MDL No.: MFCD01860606 Appearance: White powder Optical Rotation: [a]D20 = -11 ± 2º (C=1 in DMF)…

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  • Sodium phosphate tribasic dodecahydrate ; ACS reagent ; 98.0-102.0% (Titration)

    AFG Bioscience

    Synonyms: Trisodium phosphate dodecahydrate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 10101-89-0 Molecular Formula: Na3PO4·12H2O Molecular Weight: 380.1 MDL No.: MFCD00149198 Appearance: White crystals Comments: Buffer; sequestering agent. Melting…

  • (S)-a-(4-Biphenylmethyl)proline·HCl

    AFG Bioscience

    CAS No.: 1217722-65-0 Molecular Formula: C18H19NO2·HCl Molecular Weight: 317.81 MDL No.: MFCD06659218 Storage Temperature: Store at 0-8°C

  • S-4-methylbenzyl-L-cysteinol

    AFG Bioscience

    Synonyms: L-Cysteinol(4-MeBzl) H-L-Cys(4-MeBzl)-ol CAS No.: 438237-83-3 Molecular Formula: C11H17NOS Molecular Weight: 225.2 MDL No.: MFCD00671686 Storage Temperature: Store at 0-8°C

  • Silver diethyldithiocarbamate ; ACS reagent ; >/= 99% (>/= 42% Ag)

    AFG Bioscience

    Synonyms: Diethyldithiocarbamic acid silver salt Grade: ACS reagent Purity Limit: ≥ 99% (= 42% Ag) CAS No.: 1470-61-7 Molecular Formula: C5H10AgNS2 Molecular Weight: 256.14 MDL No.: MFCD00004929 Appearance: Light yellow solid Comments: Used in determination of arsenic. …

  • Sudan II ; >/= 90% (Dye content)

    AFG Bioscience

    Synonyms: Solvent Orange 7CI 121401-(2,4-Xylylazo)-2-naphthol Purity Limit: ≥ 90% (Dye content) CAS No.: 3118-97-6 Molecular Formula: C18H16N2O Molecular Weight: 276.34 MDL No.: MFCD00003896 Appearance: Orange-red to brownish orange powder Melting Point: 156-158 °C …

  • Succinimidyl 2,2,2-trichloroethyl carbonate ; >/= 99% (GC)

    AFG Bioscience

    Synonyms: N-(2,2,2-Trichloroethoxycarbonyloxy)succinimideTroc-OSu Purity Limit: ≥ 99% (GC) CAS No.: 66065-85-8 Molecular Formula: C7H6Cl3NO5 Molecular Weight: 290.49 MDL No.: MFCD00075216 Appearance: White powder Melting Point: 106-114 °C Storage Temperature: Store at…

  • Succinimidyl iodoacetate ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: SIA Iodoacetic acid N-hydroxysuccinimide ester Purity Limit: ≥ 98% (HPLC) CAS No.: 39028-27-8 Molecular Formula: C6H6NO4I Molecular Weight: 283.02 MDL No.: MFCD00058451 Appearance: Off-white solid Melting Point: 148 °C Storage Temperature: Store at 0-8°C

  • Sodium hexachloroplatinate(IV) hexahydrate

    AFG Bioscience

    Synonyms: Platinum(IV) disodium hexachloride hexahydrate CAS No.: 19583-77-8 Molecular Formula: Na2PtCl6·6H2O Molecular Weight: 561.87 MDL No.: MFCD00149172 Storage Temperature: Store at RT

  • Strontium bromide anhydrous powder ; Ultra Pure ; >99.995% (metal basis)

    AFG Bioscience

    Grade: Ultra Pure Purity Limit: >99.995% (metal basis) CAS No.: 10476-81-0 Molecular Formula: SrBr2 Molecular Weight: 247.43 MDL No.: MFCD00049548 Appearance: White crystalline powder Comments: Also has some pharmaceutical uses Storage Temperature: Store at RT Warnings: Hygroscopic

  • S-(4-Chlorobenzyl)Isothiouronium chloride ; >/= 99% (Assay by Titration)

    AFG Bioscience

    Synonyms: 4-Chlorobenzyl carbamimidothioate hydrochloride2-(4-Chlorobenzyl)-2-thiopseudourea hydrochloride Purity Limit: ≥ 99% (Assay by Titration) CAS No.: 544-47-8 Molecular Formula: C8H9ClN2S·HCl Molecular Weight: 237.15 MDL No.: MFCD00012584 Appearance: White powder …

  • (S)-(+)-3-Fluoropyrrolidine hydrochloride ; >/= 99% (HPLC)

    AFG Bioscience

    Purity Limit: ≥ 99% (HPLC) CAS No.: 136725-53-6 Molecular Formula: C4H9ClFN Molecular Weight: 125.57 MDL No.: MFCD04038718 Appearance: Light pink to purple solid Melting Point: 182-190 °C Optical Rotation: [a]D27 = +8 ± 2º (C=4 in MeOH) Storage Temperature: Store at 0-8 °C

  • (S)-HphVSPh·HCl ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: Phenyl (E)-(3S)-3-amino-5-phenylpent-1-enyl sulfone hydrochloride Purity Limit: ≥ 99% (HPLC) Molecular Formula: C17H19NO2S·HCl Molecular Weight: 337.86 MDL No.: MFCD08457833 Appearance: White powder Optical Rotation: [a]D20 = +15 ± 2º (C=1 in MeOH) Storage…

  • Sodium 2-hydroxybutyrate

    AFG Bioscience

    Synonyms: DL-2-Hydroxybutanoic acid sodium salt CAS No.: 19054-57-0 Molecular Formula: C4H7O3·Na Molecular Weight: 126.09 MDL No.: MFCD00004565 Storage Temperature: Store at 0-8°C

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