Reagents, S

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  • Sodium acetate trihydrate ; USP ; 99.5-101.0% (Titration)

    AFG Bioscience

    Synonyms: Acetic acid sodium salt Grade: USP Purity Limit: 99.5-101.0% (Titration) CAS No.: 6131-90-4 Molecular Formula: C2H3O2Na·3H2O Molecular Weight: 136.10 MDL No.: MFCD00071557 Appearance: White crystals Comments: Used as buffers. Melting Point: 58 °C (Approx.) …

  • (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-4,6-dimethyl-2-mercaptopyrimidine ; 98%

    AFG Bioscience

    Synonyms: Boc-SDP Purity Limit: 98% CAS No.: 41840-28-2 Molecular Formula: C11H16N2O2S Molecular Weight: 240.30 MDL No.: MFCD00006080 Comments: Reagent for the preparation of Boc-amino acids Melting Point: 48-51°C Storage Temperature: Store at RT

  • S-Adenosyl-L-methionine disulfate tosylate ; USP ; 95.0-105.0% (Assay)

    AFG Bioscience

    Synonyms: Ademetionine disulfate tosylate Grade: USP Purity Limit: 95.0-105.0% (Assay) CAS No.: 97540-22-2 Molecular Formula: C22H34N6O16S4 Molecular Weight: 766.80 MDL No.: MFCD01674068 Appearance: White to off-white powder Storage Temperature: Store at 0-8 °C

  • 3-Styryl-D-alanine

    AFG Bioscience

    Synonyms: D-Ala(styryl)-OH CAS No.: 264903-53-9 Molecular Formula: C11H13NO2 Molecular Weight: 191.24 MDL No.: MFCD01860880 Storage Temperature: Store at 0-8°C

  • Sulfanilamide ; >/= 99.5% (anhydrous assay)

    AFG Bioscience

    Synonyms: P-Aminobenzenesulfonamide Purity Limit: ≥99.5% (anhydrous assay) CAS No.: 63-74-1 Molecular Formula: H2NC6H4SO2NH2 Molecular Weight: 172.2 MDL No.: MFCD00007939 Storage Temperature: Store at 0-8°C

  • Sodium tauroursodeoxycholate ; >/= 98% (TLC)

    AFG Bioscience

    Synonyms: Tauroursodeoxycholic acid sodium salt 3a,7ß-dihydroxy-5ß-cholan-24-oic acid N-(2-sulfoethyl)amide sodium salt Purity Limit: ≥ 98% (TLC) CAS No.: 14605-22-2 Molecular Formula: C26H44NO6SNa Molecular Weight: 521.69 MDL No.: MFCD00065451 Storage Temperature: 0-8 ºC

  • Sodium 1-hexanesulfonate monohydrate ; >/= 99% (Assay)

    AFG Bioscience

    Synonyms: 1-Hexanesulfonic acid sodium salt monohydrate Purity Limit: ≥ 99% (Assay) CAS No.: 207300-91-2 Molecular Formula: C6H13O3SNa·H2O Molecular Weight: 206.24 MDL No.: MFCD00149549 Appearance: White crystalline powder Storage Temperature: Store at 0-8 °C

  • S-4-Methylbenzyl-D-penicillamine ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: D-Pen(pMeBzl)-OHH-ß,ß-Dimethyl-D-Cys(pMeBzl)-OH Purity Limit: ≥ 98% (HPLC) Molecular Formula: C13H19NO2S Molecular Weight: 253.2 MDL No.: MFCD03788057 Appearance: White powder Melting Point: 168-172 °C Optical Rotation: [a]D22 = -66 ± 2º (C=2 in AcOH) Storage…

  • Succinimidyl bromoacetate ; >/= 97% (NMR)

    AFG Bioscience

    Synonyms: SBABromoacetic acid N-hydroxysuccinimide ester Purity Limit: ≥ 97% (NMR) CAS No.: 42014-51-7 Molecular Formula: C6H6NO4Br Molecular Weight: 237 MDL No.: MFCD00058571 Appearance: White to slightly red powder Melting Point: 115-116 °C Storage Temperature: Store…

  • 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…

  • Sodium metabisulfite ; ACS reagent ; >/= 97.0% (Titration)

    AFG Bioscience

    Synonyms: Sodium disulfiteSodium pyrosulfite                                                    Grade: ACS reagent Purity Limit: ≥ 97.0% (Titration) CAS No.: 7681-57-4 Molecular Formula: Na2S2O5 Molecular Weight: 190.1 MDL No.: MFCD00167602 Appearance: White crystalline…

  • (S)-Fmoc-N-(1-phenylethyl)-glycine ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: Fmoc-Nspe-OH Purity Limit: ≥ 99% (HPLC) Molecular Formula: C25H23NO4 Molecular Weight: 401.46 MDL No.: MFCD18782835 Appearance: White powder Optical Rotation: [a]D20 = -38 ± 2º (C=1 in DMF) Storage Temperature: Store at 0-8 °C

  • Succinyl glycine amide

    AFG Bioscience

    Synonyms: Suc-Gly-NH2 CAS No.: 200863-20-3 Molecular Formula: C6H10N2O4 Molecular Weight: 174.16 MDL No.: MFCD00238379 Storage Temperature: Store at 0-8°C

  • (S)-1-Boc-3-(hydroxymethyl)piperidine ; >/= 99% (GC)

    AFG Bioscience

    Synonyms: 3-(S)-N-Boc-piperidine methanol Purity Limit: ≥ 99% (GC) CAS No.: 140695-84-7 Molecular Formula: C11H21NO3 Molecular Weight: 215.29 MDL No.: MFCD02683203 Appearance: White powder Storage Temperature: Store at 0-8°C

  • Stannous oxide ; >/= 85% (Stannous Tin)

    AFG Bioscience

    Synonyms: Tin(II) oxide Purity Limit: ≥ 85% (Stannous Tin) CAS No.: 21651-19-4 Molecular Formula: SnO Molecular Weight: 134.7 MDL No.: MFCD00011243 Appearance: Blue Black Powder Storage Temperature: Store at RT

  • Silica gel 60, for Column chromatography

    AFG Bioscience

    CAS No.: 63231-67-4 MDL No.: MFCD00163736 Appearance: White powder Mesh Size: 0.063-0.200 mm (70-23 Storage Temperature: Store at RT

  • Sodium phosphate monobasic, anhydrous ; Reagent ; >/= 99% (Titration)

    AFG Bioscience

    Synonyms: Monosodium phosphateSodium dihydrogen phosphate Grade: Reagent Purity Limit: ≥ 99% (Titration) CAS No.: 7558-80-7 Molecular Formula: NaH2PO4 Molecular Weight: 120.00 MDL No.: MFCD00003527 Appearance: White powder Storage Temperature: Store at RT Warnings: …

  • Succinimidyl acridine-9-carboxylate ; >/= 98% (HPLC)

    AFG Bioscience

    Purity Limit: ≥ 98% (HPLC) Molecular Formula: C18H12N2O4 Molecular Weight: 320.3 MDL No.: MFCD00467958 Appearance: Brownish solid Melting Point: 221-222 °C Storage Temperature: Store at 0-8 °C

  • Suc-Ala-Ala-Ala-Ala-Ala-pNA

    AFG Bioscience

    CAS No.: 61043-68-3 Molecular Formula: C25H35N7O10 Molecular Weight: 593.59 MDL No.: MFCD00238352 Storage Temperature: Store at ≤-4°C

  • Sodium deoxycholate ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: Desoxycholic acid sodium salt 3a,12a-Dihydroxy-5ß-cholanic acid sodium salt Purity Limit: ≥ 99% (HPLC) CAS No.: 302-95-4 Molecular Formula: C24H39NaO4 Molecular Weight: 414.56 MDL No.: MFCD00064139 Storage Temperature: 0-8 ºC

  • Stannous sulfate ; >/= 54% (stannous tin)

    AFG Bioscience

    Synonyms: Tin(II) sulfate Purity Limit: ≥ 54% (stannous tin) CAS No.: 7488-55-3 Molecular Formula: SnSO4 Molecular Weight: 214.8 MDL No.: MFCD00011246 Appearance: White to off white solid Storage Temperature: Store at RT Warnings: Corrosive! Moisture sensitive!

  • Saponin (from Quillay bark)

    AFG Bioscience

    CAS No.: 8047-15-2 Molecular Weight: 0 MDL No.: MFCD00081981 Appearance: Dark red to tan powder Storage Temperature: Store at RT Warnings: Irritant! Moisture sensitive!

  • sulfo-Succinimidyl-3(4-hydroxyphenyl)propionate

    AFG Bioscience

    Synonyms: sulfo-SHPP CAS No.: 106827-57-0 Molecular Formula: C13H12NSO8Na Molecular Weight: 365.3 MDL No.: MFCD00078536 Storage Temperature: Store at 0-8°C

  • Sodium phosphate dibasic, anhydrous ; FCC ; >/= 99.0% (Titration)

    AFG Bioscience

    Synonyms: Sodium phosphate dibasicDisodium hydrogen phosphate Grade: FCC Purity Limit: ≥ 99.0% (Titration) CAS No.: 7558-79-4 Molecular Formula: Na2HPO4 Molecular Weight: 141.96 MDL No.: MFCD00003496 Appearance: White crystalline powder Comments: It is used in pH buffer…

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

    AFG Bioscience

    Synonyms: Fmoc-L-Dap(Boc)-ol (S)-2-(Fmoc-amino)-3-(Boc-amino)-1-propanol Purity Limit: ≥ 99% (HPLC) CAS No.: 915714-21-5 Molecular Formula: C23H28N2O5 Molecular Weight: 412.5 MDL No.: MFCD04973190 Appearance: White crystalline powder Melting Point: 147-153 °C Optical…

  • Sulfo-succinimidyl-(1-pyrenyl)butyrate

    AFG Bioscience

    Molecular Formula: C24H19NO7S Molecular Weight: 465.48 MDL No.: MFCD09952678 Storage Temperature: Store at 0-8°C

  • S-4-Methoxybenzyl-D-penicillamine ; 99%

    AFG Bioscience

    Synonyms: D-Pen(pMeOBzl)-OH H-ß,ß-Dimethyl-D-Cys(pMeOBzl)-OH Purity Limit: 99% Molecular Formula: C13H19NO3S Molecular Weight: 269.34 MDL No.: MFCD03788058 Storage Temperature: Store at 0-8°C

  • (S)-1-Z-2-tert-butyl-3-methyl-4-imidazolidinone ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: (S)-(-)-1-(Benzyloxycarbonyl)-2-tert-butyl-3-methyl-4-imidazolidinone Purity Limit: ≥ 98% (HPLC) CAS No.: 119906-49-9 Molecular Formula: C16H22N2O3 Molecular Weight: 290.36 MDL No.: MFCD00075098 Appearance: White powder Melting Point: 83-85 °C Optical Rotation: …

  • (S)-Tert-Butyl 2-(Piperidine-4-Carboxamido)Propanoate

    AFG Bioscience

    CAS No.: 845907-19-9 Molecular Formula: C13H24N2O3 Molecular Weight: 256.34 MDL No.: MFCD09910430 Storage Temperature: Store at 0-8°C

  • (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

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