Reagents, Q

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  • Quercetin 3-glucuronide, primary pharmaceutical reference standard

    MilliporeSigma

    CAS No.: 22688-79-5 Synonyms: 3,3′,4′,5,7-Pentahydroxyflavone 3-glucuronide; Mikwelianin; Miquelianin; Quercetin 3- O -β-D-glucuronide; Querciturone Formula: C21H18O13 Formula Weight: 478.36 Linear Formula: …

  • ALDRICH 2-Quinolinecarbonitrile, 97%

    MilliporeSigma

    Empirical Formula: C10H6N2 Linear Formula: C10H6N2 Formula Weight: 154.17 MDL Number: MFCD00134341 Purity: 97% Melting Point: 93-95 °C(lit.)

  • Quinapril hydrochloride, 98%

    Alfa Aesar

    Formula: C25H30N2O5 HCl Formula weight: 474.99 Purity: 98% CAS Number: 82586-55-8 Harmonized Tariff Code:  2933.49

  • Quercetin

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): Quercetin dihydrate; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4 H -1-benzopyran-4-one dihydrate; 3,3',4',5,7-Pentahydroxyflavone dihydrate Empirical Formula: C15H10O7 -+ 2H2O Formula…

  • ALDRICH 8-Quinolinesulfonyl chloride, 98%

    MilliporeSigma

    Empirical Formula: C9H6ClNO2S Linear Formula: C9H6ClNO2S Formula Weight: 227.67 MDL Number: MFCD00006808 Purity: 98% Melting Point: 126-129 °C(lit.) Beilstein Registry Number: 156347

  • SIAL Quin 2 potassium salt hydrate

    MilliporeSigma

    ≥95% Synonym(s): 2-([2-Bis(carboxymethyl)amino-5-methylphenoxy]methyl)-6-methoxy-8-bis(carboxymethyl)aminoquinoline Empirical Formula: C26H27N3O10 -+ H2O Formula Weight: 559.52 Linear Formula: …

  • ALDRICH 2,4-Quinolinediol, 97%

    MilliporeSigma

    Synonym(s): 2,4-Dihydroxyquinoline Formula: C9H7NO2 Formula Weight: 161.16 CAS No.: 86-95-3 Purity: 97% Packaging: 10 g in poly bottle

  • ALDRICH Quercetin hydrate, Greater Than or Equal to 95%

    MilliporeSigma

    Formula: C15H10O7 · xH2O Formula Weight: 302.24 (anhydrous basis) CAS No.: 849061-97-8 UN Number: UN2811 Purity: ≥95% Packaging: 25, 100 g in poly bottle

  • (+)-Quisqualic acid, 99+%

    Alfa Aesar

    Synonym(s): ^b-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine, 3-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine Formula: C5H7N3O5 Formula weight: 189.13 Purity: 99+% CAS Number: 52809-07-1 Harmonized Tariff Code:  2934.99 Hazard Statements: H302-H312-H332 Harmful if swallowed.…

  • Quinaldine, 97+%

    Alfa Aesar

    Synonym(s): 2-Methylquinoline Formula: C10H9N Formula weight: 143.19 Purity: 97+% CAS Number: 91-63-4 Harmonized Tariff Code:  2933.49 Hazard Statements: H302-H312-H315-H319-H335-H227 Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye…

  • Quinacrine Dihydrochloride

    Spectrum Chemical

    CAS No.: 69-05-6

  • ALDRICH 2,2':5',2'':5'',2'''-Quaterthiophene, 96%

    MilliporeSigma

    Synonym(s): α-Quarterthienyl; 4T Empirical Formula: C16H10S4 Linear Formula: C16H10S4 Formula Weight: 330.51 MDL Number: MFCD03094036 Purity: 96% Melting Point: 211-214 °C(lit.)

  • Quinine suitable for fluorescence, anhydrous, =98.0% (dried material, NT)

    MilliporeSigma

    CAS Number: 130-95-0 Empirical Formula (Hill Notation): C20H24N2O2 Molecular Weight: 324.42 Beilstein Registry Number: 91867 EC Number: 205-003-2 MDL Number: MFCD00198096 PubChem Substance ID: 24853550 …

  • ROCHE Quick Spin High Capacity Columns, Sephadex G-50, fine

    MilliporeSigma

    UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Features and Benefits: Exclusion limit for ds DNA: >72 base pairs Recovery: =90% of DNA Retention: =98% of unincorporated nucleotides Sample size: 100 to 500 μl Application: Quick Spin High Capacity G-50…

  • "Quinchlorac, PESTANAL®, analytical standard"

    MilliporeSigma

    Synonyms: 3,7-Dichloro-8-quinolinecarboxylic acid Formula: C10H5Cl2NO2 Formula Weight: 242.06 CAS No.: 84087-01-4 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • SIGMA Q Sepharose® High Performance preswollen, 24-44 µm (wet), average…

    MilliporeSigma

    Synonym(s): Q Sepharose ® MDL Number: MFCD00165625 Storage: 2-8°C

  • Potassium Hydroxide, Pellets, Reagent, A.C.S.

    Electron Microscopy Sciences

    KOH Formula Weight: 56.11 CAS #: 1310-58-3 Assay: >85.0% Water contains: 10-15%

  • Quinoline Yellow SS

    Spectrum Chemical

    CAS No.: 8003-22-3

  • SIGMA Quercetin 3-glucuronide >=95% (LC/MS-ELSD)

    MilliporeSigma

    Synonym(s): Quercetin 3-glucuronide; Quercetol 3-O-glucuronide; Quercetol glucuronide; Querciturone; 3,3',4',5,7-Pentahydroxyflavone 3-glucuronide; Mikwelianin; Miquelianin; Quercetin 3- O -β-D-glucuronide; Querciturone Empirical Formula: C21H18O13 Linear…

  • ALDRICH 2,6-Quinolinediol

    MilliporeSigma

    Synonym(s): 2,6-Dihydroxyquinoline; 6-Hydroxycarbostyril Empirical Formula: C9H7NO2 Linear Formula: C9H7NO2 Formula Weight: 161.16 MDL Number: MFCD00239446 Melting Point: >300 °C(lit.)

  • Quartz (particle size)

    MilliporeSigma

    BCR ® certified Reference Material, 2.40-32.00 μm particle size

  • p-Quinquephenyl, 98%

    Alfa Aesar

    Formula: C30H22 Formula weight: 382.50 Purity: 98% CAS Number: 3073-05-0 Harmonized Tariff Code:  2902.90

  • SIAL Quinine sulfate

    MilliporeSigma

    meets USP testing specifications, monograph mol wt. 782.94 ((C20H24N2O2)2 . H2SO4 . 2H2O) Synonym(s): Quinine hemisulfate salt monohydrate; Quinine sulfate (2:1) (salt) dihydrate Empirical Formula: …

  • Quinoline, 97%

    Alfa Aesar

    Formula: C9H7N Formula weight: 129.16 Purity: 97% CAS Number: 91-22-5 UN Number: UN2656 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.49 Hazard Statements: H311-H350-H341-H302-H315-H319 Toxic in contact with skin. May cause cancer. Suspected of causing…

  • SIGMA Q Sepharose® Fast Flow preswollen, 45-165 µm (wet), exclusion limit ~4,000…

    MilliporeSigma

    Synonym(s): Q Sepharose ® MDL Number: MFCD00165625 Storage: 2-8°C

  • ROCHE Quick Spin Columns for radiolabeled RNA purification, Sephadex G-25, fine

    MilliporeSigma

    Storage: 2-8°C UNSPSC Code: 41115700 RIDADR: NONH for all modes of transport Features and Benefits: • Save time and effort with ready-to-use columns. • Increase yields of nucleic acid in less time and with fewer steps. • Ensure optimal performance…

  • Quinaldine Red TS, (U.S.P. Test Solution)

    Spectrum Chemical

    UN No.: UN1170 Class: 3 Pkg. Group: PG II

  • ROCHE Quick Spin Columns for radiolabeled DNA purification, Sephadex G-25, fine

    MilliporeSigma

    Storage: 2-8°C UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Analysis Note: Sample size : up to 50 μl Time required : 10 minuntes Application: Ready-to-use disposable column units designed to quickly and efficiently remove unincorporated precursors from…

  • SIGMA Quinine hydrochloride dihydrate

    MilliporeSigma

    Empirical Formula: C20H24N2O2 -+ HCl -+ 2H2O Linear Formula: C20H24N2O2 -+ HCl -+ 2H2O Formula Weight: 396.91 MDL Number: MFCD00078498

  • SIGMA QuantiPro™ BCA Assay Kit for 0.5-30 µg/ml protein

    MilliporeSigma

    Storage: 2-8°C

  • Quinaldine Red

    Spectrum Chemical

    CAS No.: 117-92-0

  • ASTM® D5442 C12-C60 Qualitative Retention Time Mix 6.25 % (w/w) each component,…

    MilliporeSigma

    Legal Information ASTM is a registered trademark of American Society for Testing and Materials

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