Reagents, Q

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  • 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…

  • SIGMA Quercetin 3-D-galactoside >=97.0% (HPLC)

    MilliporeSigma

    Synonym(s): 3,3',4',5,7-Pentahydroxyflavone 3-D-galactoside; Hyperin; Hyperoside Empirical Formula: C21H20O12 Linear Formula: C21H20O12 Formula Weight: 464.38 MDL Number: MFCD00016933 Purity: ≥97.0% (HPLC) …

  • 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

    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…

  • Quercetin dihydrate, 97%

    Alfa Aesar

    Synonym(s): 3,3',4',5,7-Pentahydroxyflavone dihydrate, Quercetin hydrate Formula: C15H10O7 2H2O Formula weight: 338.28 (302.25anhy) Purity: 97% CAS Number: 6151-25-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2932.99 Hazard Statements:…

  • Quinine Hydrochloride

    MP Biomedicals

    Quinine Hydrochloride is an alkaloid originally isolated from the Cinchona family of South American trees. It is an antimalarial agent, anticholinergic, antihypertensive and hypoglycemic agent. Quinine is an antimalarial agent, anticholinergic, antihypertensive and hypoglycemic agent; also used…

  • SIGMA Quinalizarin >=95% (HPLC)

    MilliporeSigma

    Synonym(s): 1,2,5,8-Tetrahydroxy-9,10-anthraquinone; 1,2,5,8-Tetrahydroxyanthraquinone; Alizarin Bordeaux BD; Alizarinbordeaux; Alizarine Bordeaux; Alizarine Bordeaux B; C.I. 58500; C.I. Mordant Violet 26; Khinalizarin; NSC 144046; NSC 4896; PHF 016 Empirical Formula: …

  • "Quinaldine, =90% (GC)"

    MilliporeSigma

    Synonyms: 2-Methylquinoline Formula: C10H9N Formula Weight: 143.19 CAS No.: 91-63-4 Purity: ≥90% (GC) Density: 1.058 g/mL at 25 °C(lit.) Packaging: 1 L in poly bottle Packaging: 500 mL in poly bottle Included Fees: C987G98 has a Large Can Fee…

  • 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…

  • Quinuclidine, 97+%

    Alfa Aesar

    Synonym(s): 1-Azabicyclo[2.2.2]octane Formula: C7H13N Formula weight: 111.19 Purity: 97+% CAS Number: 100-76-5 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H310-H318-H315 Toxic if swallowed. Fatal in…

  • Quinine hydrochloride dihydrate

    MilliporeSigma

    analytical standard Empirical Formula: C20H24N2O2 -+ HCl -+ 2H2O Formula Weight: 396.91 Linear Formula: C20H24N2O2 -+ HCl -+ 2H2O MDL Number: MFCD00151248 Purity: …

  • ALDRICH Quinine monohydrochloride dihydrate, 90%

    MilliporeSigma

    Synonym(s): Quinine hydrochloride dihydrate Formula: C20H24N2O2 · HCl · 2H2O Formula Weight: 396.91 CAS No.: 6119-47-7 Purity: 90% Other Notes: Remainder hydroquinine hydrochloride dihydrate Packaging: 10, 50 g in poly bottle

  • ALDRICH Quinine monohydrochloride dihydrate, 90%

    MilliporeSigma

    Synonym(s): Quinine monohydrochloride dihydrate; Quinine hydrochloride dihydrate Empirical Formula: C20H24N2O2 -+ HCl -+ 2H2O Linear Formula: C20H24N2O2 -+ HCl -+ 2H2O Formula…

  • QAC Reagent 1 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 50 Powder Pillows.

  • Quercitrin hydrate =78%

    MilliporeSigma

    Synonym: Quercetin-3-O-rhamnoside Empirical Formula (Hill Notation): C21H20O11 · xH2O Molecular Weight: 448.38 (anhydrous basis) EC Number: 2089-322-5 PubChem Substance ID: 24899330 Biochem/physiol Actions …

  • 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.

  • Quinoline, 95%

    GFS Chemicals

    C9H7N CAS#: 91-22-5 F.W.: 129.16

  • QuadraPure™ TU, 400-600 micron, metal scavenger

    Alfa Aesar

    Synonym(s): QuadraPure™ Thiourea CAS Number: 147754-40-3 MDL: MFCD07785601 Form: Beads Other References Harmonized Tariff Code: 3903.90 TSCA: No Applications Metal Scavenger: Pd, Pt, Ru, Rh, Au, Ag, Cu, Hg, Pb, Cd, Ni, Co, Fe, V, Zn

  • Quinaldic acid, 98%

    Alfa Aesar

    Synonym(s): Quinoline-2-carboxylic acid Formula: C10H7NO2 Formula weight: 173.17 Purity: 98% CAS Number: 93-10-7 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • SUPELCO Quaternary B-cyclodextrin, 100mg, neat

    MilliporeSigma

  • QuadraPure^t IDA, 350-750 micron

    Alfa Aesar

    Synonym(s): QuadraPure^t Iminodiacetate Formula weight: 0.73 UN Number: UN3175 Hazard Class: 4.1 Packing Group: II Harmonized Tar

  • ALDRICH Quinoline N-oxide hydrate, 97%

    MilliporeSigma

    Empirical Formula: C9H7NO -+ xH2O Linear Formula: C9H7NO -+ xH2O Formula Weight: 145.16 (anhydrous basis) MDL Number: MFCD00149472 Purity: 97% Melting Point: 52-55 °C(lit.) Beilstein Registry Number: 5989589

  • 2-Quinolinethiol, 97%

    MilliporeSigma

    CAS No.: 2637-37-8 Formula: C9H7NS Formula Weight: 161.22 Linear Formula: C9H7NS MDL No.: MFCD00006751 Purity: 0.97 Melting Point: 174-176 °C(lit.)

  • SIGMA Quinine hydrochloride dihydrate

    MilliporeSigma

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

  • SIGMA (±)-Quinuclidinyl benzilate powder

    MilliporeSigma

    Synonym(s): (±)-QNB; (±)-Quinuclidinyl α-hydroxydiphenylacetate Empirical Formula: C21H23NO3 Linear Formula: C21H23NO3 Formula Weight: 337.41 MDL Number: MFCD00055094 Storage: 2-8°C

  • "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

  • Quinoxaline, 98+%

    Alfa Aesar

    Formula: C8H6N2 Formula weight: 130.15 Purity: 98+% CAS Number: 91-19-0 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 8-Quinolinol, puriss. p.a., ACS reagent, reag. Ph. Eur., =99% (perchloric acid…

    MilliporeSigma

    Synonyms: 8-Hydroxyquinoline; 8-Oxychinolin; Oxine Formula: C9H7NO Formula Weight: 145.16 CAS No.: 148-24-3 Purity: ≥99% (perchloric acid titration)

  • ALDRICH 2-Quinolinecarboxaldehyde, 97%

    MilliporeSigma

    Formula: C10H7NO Formula Weight: 157.17 CAS No.: 5470-96-2 Purity: 97% Packaging: 1, 5 g in glass 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: …

  • QC-Standard Solution for EN ISO 9377-2

    MilliporeSigma

    RIDADR: UN 1206 3 / PGII

  • Quinoline-3-boronic acid, 95%

    Alfa Aesar

    Formula: C9H8BNO2 Formula weight: 172.98 Purity: 95% CAS Number: 191162-39-7 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

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