Reagents, S

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  • 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

  • Strontium chloride hexahydrate ; ACS reagent ; 99.0-103.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: 99.0-103.0% (Titration) CAS No.: 10025-70-4 Molecular Formula: SrCl2·6H2O Molecular Weight: 266.62 MDL No.: MFCD00149865 Appearance: White crystalline powder Comments: It is used in preparation of strontium standard solutions. Strontium…

  • Sudan Orange G ; >/= 85% (Dye content)

    AFG Bioscience

    Synonyms: Solvent Orange 1CI 119202,4-Dihydroxyazobenzene Purity Limit: ≥ 85% (Dye content) CAS No.: 2051-85-6 Molecular Formula: C12H10N2O2 Molecular Weight: 214.22 MDL No.: MFCD00002275 Appearance: Red-Orange powder Melting Point: 141-148 °C Storage Temperature: Store…

  • sn-Glycero-3-phosphocholine ; >/= 99% (TLC)

    AFG Bioscience

    Purity Limit: ≥ 99% (TLC) CAS No.: 28319-77-9 Molecular Formula: C8H20NO6P Molecular Weight: 257.2 MDL No.: MFCD00063544 Appearance: White powder Storage Temperature: Store at 0-8 °C

  • Sodium phosphate, monobasic, monohydrate ; ACS reagent ; 98.0-102.0% (Titration)

    AFG Bioscience

    Synonyms: Sodium dihydrogen phosphate monohydrate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 10049-21-5 Molecular Formula: NaH2PO4·H2O Molecular Weight: 137.99 MDL No.: MFCD00149208 Appearance: White crystals Comments: Buffering agent. Melting…

  • Sodium bicarbonate ; ACS reagent ; 99.7-100.3% (Titration: anhydrous basis)

    AFG Bioscience

    Synonyms: Sodium hydrogen carbonate Grade: ACS reagent Purity Limit: 99.7-100.3% (Titration: anhydrous basis) CAS No.: 144-55-8 Molecular Formula: NaHCO3 Molecular Weight: 84.01 MDL No.: MFCD00003528 Appearance: White crystals Comments: Buffers; pH adjustment Density: …

  • Starch from corn

    AFG Bioscience

    Synonyms: Corn starchStarch from maize                                CAS No.: 9005-25-8 MDL No.: MFCD00082026 Appearance: White powder Storage Temperature: Store at RT

  • Sodium thiosulfate pentahydrate ; ACS/USP-NF/FCC/BP/EP/JP ; 99.5-101.0% …

    AFG Bioscience

    Grade: ACS/USP-NF/FCC/BP/EP/JP Purity Limit: 99.5-101.0% (Titration) CAS No.: 10102-17-7 Molecular Formula: Na2S2O3·5H2O Molecular Weight: 248.18 MDL No.: MFCD00149186 Appearance: White crystals Comments: Titrimetry. Melting Point: 48 ºC (Approx.) Storage Temperature: …

  • Salicylaldehyde

    AFG Bioscience

    Synonyms: (2-Hydroxyphenyl) methanal 2-Formylphenol 2-Hydroxybenzaldehyde CAS No.: 90-02-8 Molecular Formula: C7H6O2 Molecular Weight: 122.12 MDL No.: MFCD00003317 Storage Temperature: Store at 0-8°C

  • S-Benzyl-L-cysteine methyl ester hydrochloride

    AFG Bioscience

    Synonyms: L-Cys(Bzl)-OMe·HCl CAS No.: 16741-80-3 Molecular Formula: C11H15NO2S·HCl Molecular Weight: 261.8 MDL No.: MFCD00034845 Appearance: Crystalline Storage Temperature: Store at 0-8°C

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

    AFG Bioscience

    Synonyms: Sodium phosphate dibasicDisodium hydrogen phosphate Grade: USP 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…

  • Strontium carbonate ; Reagent Grade ; >/= 99% (Metals basis)

    AFG Bioscience

    Grade: Reagent Grade Purity Limit: ≥ 99% (Metals basis) CAS No.: 1633-05-2 Molecular Formula: SrCO3 Molecular Weight: 147.63 MDL No.: MFCD00011250 Appearance: White powder Comments: Used in the preparation of iridescent glass, luminous paints, strontium oxide or strontium…

  • Sodium sulfate, anhydrous ; >/= 99% (Titration)

    AFG Bioscience

    Purity Limit: ≥ 99% (Titration) CAS No.: 7757-82-6 Molecular Formula: Na2SO4 Molecular Weight: 142.04 MDL No.: MFCD00003504 Appearance: White powder Melting Point: 884°C Storage Temperature: Store at RT Warnings: Irritant! Hygroscopic!

  • 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

  • Silver(I) acetate ; >/=99%, (64% Silver content min)

    AFG Bioscience

    Synonyms: Silver acetate Purity Limit: ≥99%, (64% Silver content min) CAS No.: 563-63-3 Molecular Formula: CH3CO2Ag Molecular Weight: 166.91 MDL No.: MFCD00012446 Storage Temperature: Store at RT

  • Strontium Sulphate ; Reagent Grade ; >/= 99% (Assay)

    AFG Bioscience

    Grade: Reagent Grade Purity Limit: ≥ 99% (Assay) CAS No.: 7759-02-6 Molecular Formula: SrSO4 Molecular Weight: 183.68 MDL No.: MFCD00036274 Appearance: White powder Comments: Widely applied in the manufacturing of Barium Salts, pigments, special glass, printing inks,…

  • Sucrose ; >/= 99.5% (Assay)

    AFG Bioscience

    Synonyms: b-D-Fructofuranosyl-a-D-glucopyranoside Purity Limit: ≥ 99.5% (Assay) CAS No.: 57-50-1 Molecular Formula: C12H22O11 Molecular Weight: 342.3 MDL No.: MFCD00006626 Appearance: White solid Optical Rotation: [a]D = +66.3° to +66.8° 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

  • Sodium sulfate, anhydrous ; ACS/FCC/USP/BP/EP ; 99.0-100.5% (Titration)

    AFG Bioscience

    Grade: ACS/FCC/USP/BP/EP Purity Limit: 99.0-100.5% (Titration) CAS No.: 7757-82-6 Molecular Formula: Na2SO4 Molecular Weight: 142.04 MDL No.: MFCD00003504 Appearance: White crystalline powder Comments: Used in kjeldahl nitrogen determination; drying agent . Melting Point: …

  • 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…

  • (+)-Sodium L-ascorbate crystalline ; USP ; 99.0-101.0% (Titration: anhydrous…

    AFG Bioscience

    Synonyms: L(+)-Ascorbic acid sodium saltVitamin C sodium salt Grade: USP Purity Limit: 99.0-101.0% (Titration: anhydrous basis) CAS No.: 134-03-2 Molecular Formula: C6H7O6Na Molecular Weight: 198.1 MDL No.: MFCD00082340 Appearance: White to off-white powder Comments: …

  • Styryl-D-ß-homoalanine hydrochloride ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: D-ß-HomoAla(styryl)-OH·HCl(R)-3-Amino-(6-phenyl)-5-hexenoic acid hydrochloride Purity Limit: ≥ 98% (HPLC) CAS No.: 270596-35-5 Molecular Formula: C12H15NO2·HCl Molecular Weight: 241.72 MDL No.: MFCD01860995 Appearance: White powder Melting Point: 204-210 ºC …

  • Sodium octyl sulfate ; >/= 99% (Assay by Titration)

    AFG Bioscience

    Synonyms: 1-Octylsodiumsulfonate Purity Limit: ≥ 99% (Assay by Titration) CAS No.: 142-31-4 Molecular Formula: C8H17O4SNa Molecular Weight: 232.27 MDL No.: MFCD00007470 Appearance: Fine white crystalline powder Storage Temperature: Store at RT

  • (S)-(-)-4-Isopropyl-2-oxazolidinone

    AFG Bioscience

    Synonyms: (4S)-4-Isopropyl-1,3-oxazolidin-2-one CAS No.: 17016-83-0 Molecular Formula: C6H11NO2 Molecular Weight: 129.16 MDL No.: MFCD00010847 Storage Temperature: Store at 0-8°C

  • (S)-(+)-1-Amino-1-phenyl-2-methoxyethane ; >/= 98%

    AFG Bioscience

    Synonyms: (S)-Phenylglycinol methyl ether Purity Limit: ≥ 98% CAS No.: 91298-74-7 Molecular Formula: C9H13NO Molecular Weight: 151.21 MDL No.: MFCD01862273 Appearance: Colorless liquid Boiling Point: 105 - 111 °C (10mmHg) Optical Rotation: [a]D23 = +48 ± 2º (C=1 in…

  • S-Benzyl-D-cysteine

    AFG Bioscience

    Synonyms: D-Cys(Bzl)-OH (S)-2-Amino-3-(S-benzylthio)propanoic acid CAS No.: 23032-53-3 Molecular Formula: C10H13NO2S Molecular Weight: 211.3 MDL No.: MFCD00077103 Appearance: Crystalline Storage Temperature: Store at 0-8°C

  • Sodium ammonium phosphate tetrahydrate ; >/= 99.0% (Titration)

    AFG Bioscience

    Purity Limit: ≥ 99.0% (Titration) CAS No.: 51750-73-3 Molecular Formula: NaNH5PO4·4H2O Molecular Weight: 209.07 MDL No.: MFCD00066970 Appearance: White to colorless crystals Density: 1.544 Storage Temperature: Store at RT

  • (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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  • Suc-Ala-Ala-Pro-Phe-AMC ; >/= 99% (HPLC)

    AFG Bioscience

    Purity Limit: ≥ 99% (HPLC) CAS No.: 88467-45-2 Molecular Formula: C34H39N5O9 Molecular Weight: 661.71 MDL No.: MFCD00080246 Appearance: White powder Comments: Fluorogenic substrate for chymotrypsin. Storage Temperature: Store at ≤ -4 °C

  • (S)-a-(4-Fluorobenzyl)proline·HCl

    AFG Bioscience

    CAS No.: 637020-70-3 Molecular Formula: C12H14FNO2·HCl Molecular Weight: 259.71 MDL No.: MFCD06797533 Storage Temperature: Store at 0-8°C

  • Sudan III Certified ; >/= 80% (dye content)

    AFG Bioscience

    Synonyms: Solvent Red 23 CI 26100 1-[4-(Phenylazo)phenylazo]-2-naphthol Purity Limit: ≥80% (dye content) CAS No.: 85-86-9 Molecular Formula: C22H16N4O Molecular Weight: 352.4 MDL No.: MFCD00003905 Storage Temperature: Store at RT

  • Sodium tert-butoxide solution ; >/= 99.5% (Assay)

    AFG Bioscience

    Purity Limit: ≥ 99.5% (Assay) CAS No.: 865-48-5 Molecular Formula: C4H9ONa Molecular Weight: 96.10 MDL No.: MFCD00040575 Comments: It is used as a strong non-nucleophilic base. Density: 0.91 Refractive Index: 1.41 Storage Temperature: Store at RT

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