Reagents, Q

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Reagents, Q

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  • Quercetin =95% (HPLC), solid

    MilliporeSigma

    Synonym: 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one, 3,3',4',5,6-Pentahydroxyflavone, Quercetin-3-O-rhamnoside CAS Number: 117-39-5 Empirical Formula (Hill Notation): C15H10O7 Molecular Weight: 302.24 Beilstein Registry…

  • Quercetin

    MilliporeSigma

    pharmaceutical secondary standard; traceable to USP, PhEur Synonym(s): Quercetin hydrate Empirical Formula: C15H10O7 -+ xH2O Formula Weight: 302.24 (anhydrous basis) Linear Formula: C15H10O7 -+ xH2O…

  • 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

  • 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: …

  • SIGMA Quinidine anhydrous

    MilliporeSigma

    Empirical Formula: C20H24N2O2 Linear Formula: C20H24N2O2 Formula Weight: 324.42 MDL Number: MFCD00135581 Melting Point: 168-172 °C(lit.) Beilstein Registry Number: 91866

  • ALDRICH Quinine, 90%

    MilliporeSigma

    Formula: C20H24N2O2 Formula Weight: 324.42 CAS No.: 130-95-0 Purity: 90% Application: Resolving agent for carboxylic acids. Catalyzes the kinetic resolution of furanones. Other Notes: remainder hydroquinine Packaging: 10, 50 g in poly bottle

  • SIGMA Quinine hemisulfate salt monohydrate BioReagent, suitable for fluorescence…

    MilliporeSigma

    Synonym(s): Quinine sulfate (2:1) (salt) dihydrate Empirical Formula: C20H24N2O2 -+ 0.5H2O4S -+ H2O Linear Formula: C20H24N2O2 -+ 0.5H2O4S -+…

  • ALDRICH Quinuclidine, 97%

    MilliporeSigma

    Synonym(s): 1-Azabicyclo[2.2.2]octane; ABCO Formula: C7H13N Formula Weight: 111.18 CAS No.: 100-76-5 UN Number: UN2811 Purity: 97% Application: Ligand employed in studies on the OsO 4 -catalyzed dihydroxylation of olefins. 1, Used to form onium salts for…

  • Quartz (particle size)

    MilliporeSigma

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

  • Quercetin 3-glucoside

    MilliporeSigma

    analytical standard Synonym(s): Quercetin 3-β-D-glucoside; 3,3',4',5,7-Pentahydroxyflavone 3-β-glucoside; Isoquercitrin Empirical Formula: C21H20O12 Formula Weight: 464.38 Linear Formula: C21H20O12 MDL…

  • QAC Reagent 2 Powder Pillows

    Hach

    For determination of Quaternary Ammonium Compounds (QAC) by the Direct Binary Complex Method. Hach Method 8337. Range: 0.2 - 5.0 mg/L as CTAB. Pack of 25 Powder Pillows.

  • ALDRICH Quinhydrone, 97%

    MilliporeSigma

    Synonym(s): Hydroquinone: benzoquinone 1:1 complex Formula: C6H4(OH)2 · C6H4O2 Formula Weight: 218.21 CAS No.: 106-34-3 UN Number: UN2811 Purity: 97% Packaging: 25, 100 g in poly bottle

  • Quinoline

    MilliporeSigma

    analytical standard Synonym(s): 1-Benzazine; 2,3-Benzopyridine Empirical Formula: C9H7N Formula Weight: 129.16 Linear Formula: C9H7N MDL Number: MFCD00006736 Purity: ≥98.0% (GC); 97.5-102.2 wt. % (NT) Boiling Point: …

  • ALDRICH Quinazoline, 99%

    MilliporeSigma

    Synonym(s): 1,3-Benzodiazine; Benzopyrimidine Empirical Formula: C8H6N2 Linear Formula: C8H6N2 Formula Weight: 130.15 MDL Number: MFCD00006712 Purity: 99% Boiling Point: 243 °C(lit.) Melting Point: …

  • 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%

  • 8-Quinolinol

    MilliporeSigma

    PESTANAL ® , analytical standard Synonym(s): 8-Hydroxyquinoline; 8-Oxychinolin; Oxine Empirical Formula: C9H7NO Formula Weight: 145.16 Linear Formula: C9H7NO MDL Number: MFCD00006807 Boiling Point: …

  • (-)-Quinine For Resolution Of Racemates For Synthesis

    MilliporeSigma

    CAS No.: 130-95-0 pH: 9.0 (0.5 g/l, H2O, 20°C) Solubility: 0.5 g/l (20°C) Melting Point: 174 - 178°C (decomposition) Molar Mass: 324.43 g/mol Bulk Density: 110 - 140 kg/m3

  • SIAL Quinaldine Red

    MilliporeSigma

    Dye content 95 % Synonym(s): 2-(4-Dimethylaminostyryl)-1-ethylquinolinium iodide Empirical Formula: C21H23IN2 Formula Weight: 430.33 Linear Formula: C21H23IN2 MDL Number: MFCD00011968 Beilstein Registry…

  • (+)-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.…

  • Quinoline reagent grade, 98%

    MilliporeSigma

    Synonym: 1-Benzazine, 2,3-Benzopyridine CAS Number 91-22-5 Empirical Formula (Hill Notation) C9H7N Molecular Weight 129.16 Beilstein Registry Number 107477 EC Number 202-051-6 MDL number MFCD00006736 PubChem Substance ID 24854491 Packaging 5, 100, 500 g in…

  • SIGMA Quinapril hydrochloride >=98% (HPLC), solid

    MilliporeSigma

    Synonym(s): (3S)-2-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid hydrochloride Empirical Formula: C25H30N2O5 -+ HCl Linear Formula: …

  • "Quintozene, PESTANAL®, analytical standard"

    MilliporeSigma

    Synonyms: Pentachloronitrobenzene; PCNB; Quintozene Formula: C6Cl5NO2 Formula Weight: 295.33 CAS No.: 82-68-8 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • Quinine hemisulfate monohydrate, 99%

    Alfa Aesar

    Synonym(s): Quinine sulfate dihydrate Formula: C20H24N2O2 0.5H2SO4 H2O Formula weight: 391.47 (373.46anhy) Purity: 99% CAS Number: 6119-70-6 Harmonized Tariff Code:  2939.20 Hazard Statements: H301-H334-H317 Toxic if swallowed. May cause allergy or asthma symptoms or breathing…

  • Quinhydrone, 97%

    Alfa Aesar

    Synonym(s): p-Benzoquinone hydroquinone complex Formula: C12H10O4 Formula weight: 218.21 Purity: 97% CAS Number: 106-34-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2942.00 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed.…

  • ALDRICH QuadraPure® TU, macroporous, 400-600µm particle size

    MilliporeSigma

    Synonym(s): QuadraPure ® Thiourea Application: Reaxa Technology Legal Information: QuadraPure is a registered trademark of Johnson Matthey Finland Oy Packaging: 5, 25, 100 g in glass bottle

  • Quartz (particle size)

    MilliporeSigma

    BCR ® certified Reference Material, 160-630 μm particle size

  • 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: …

  • 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

  • Quartz (particle size)

    MilliporeSigma

    BCR ® certified Reference Material, 1.20-20.00 μm particle size

  • Quinaldine

    MilliporeSigma

    ≥90% (GC) Synonym(s): 2-Methylquinoline Empirical Formula: C10H9N Formula Weight: 143.19 Linear Formula: C10H9N MDL Number: MFCD00006756 Purity: ≥90% (GC) Boiling Point: 105-107 °C/10 mmHg(lit.);…

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