Reagents, Q

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Reagents, Q

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  • 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

  • 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. …

  • 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

  • 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:…

  • SUPELCO Quaternary B-cyclodextrin, 100mg, neat

    MilliporeSigma

  • 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

  • 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

  • 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

  • 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…

  • 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: …

  • Quinoline-8-carboxylic acid, 98+%

    Alfa Aesar

    Formula: C10H7NO2 Formula weight: 173.17 Purity: 98+% CAS Number: 86-59-9 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • ALDRICH Quinoxaline-6-carboxylic acid, 97%

    MilliporeSigma

    Empirical Formula: C9H6N2O2 Linear Formula: C9H6N2O2 Formula Weight: 174.16 MDL Number: MFCD01365834 Purity: 97% Melting Point: 224-229 °C (dec.)

  • Quinacrine dihydrochloride >=90%

    MilliporeSigma

    Synonym(s): 6-Chloro-9-(4-diethylamino-1-methylbutylamino)-2-methoxyacridine dihydrochloride; Atebrin dihydrochloride; Mepacrine dihydrochloride Empirical Formula: C23H30ClN3O -+ 2HCl Linear Formula: C23H30ClN3O -+ 2HCl …

  • ALDRICH 3-Quinuclidinol, 99%

    MilliporeSigma

    Synonym(s): 1-Azabicyclo[2.2.2]octan-3-ol; 3-Hydroxyquinuclidine Empirical Formula: C7H13NO Linear Formula: C7H13NO Formula Weight: 127.18 MDL Number: MFCD00151326 Purity: 99% Melting Point: 220-223 °C(lit.) Beilstein…

  • ALDRICH 6-Quinolinyl trifluoromethanesulfonate, 97%

    MilliporeSigma

    Empirical Formula: C10H6F3NO3S Linear Formula: C10H6F3NO3S Formula Weight: 277.22 MDL Number: MFCD05865187 Purity: 97% Melting Point: 34-38 °C(lit.)

  • ALDRICH Quinoxaline, >=95.0%

    MilliporeSigma

    Synonym(s): 1,4-Benzodiazine; Benzo[ a ]pyrazine; Benzopyrazine Empirical Formula: C8H6N2 Linear Formula: C8H6N2 Formula Weight: 130.15 MDL Number: MFCD00006719 Purity: ≥95.0% Boiling Point: …

  • 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: …

  • Quinoline-4-carboxaldehyde, 97+%

    Alfa Aesar

    Synonym(s): Cinchoninaldehyde Formula: C10H7NO Formula weight: 157.17 Purity: 97+% CAS Number: 4363-93-3 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 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

  • ALDRICH QuadraSil® PHI, extent of labeling: 20-100µmol loading

    MilliporeSigma

    Synonym(s): QuadraSil ® phenolic functionalized silica gel

  • "Quizalofop-ethyl, PESTANAL®, analytical standard"

    MilliporeSigma

    Synonyms: Ethyl 2-[4-(6-chloro-2-quinoxalinyloxy)phenoxy]propionate Formula: C19H17ClN2O4 Formula Weight: 372.80 CAS No.: 76578-14-8 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • ALDRICH Quinine monohydrochloride dihydrate, 90%

    MilliporeSigma

    Synonym(s): Quinine hydrochloride dihydrate Empirical Formula: C20H24N2O2 -+ HCl -+ 2H2O Linear Formula: C20H24N2O2 -+ HCl -+ 2H2O Formula Weight: 396.91 MDL Number: …

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