Reagents, N

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Reagents, N

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  • ß-Nicotinamide adenine dinucleotide phosphate sodium salt hydrate

    MilliporeSigma

    Synonym: Triphosphopyridine nucleotide sodium salt hydrate CAS Number: 698999-85-8 Empirical Formula (Hill Notation): C21H27N7NaO17P3 · xH2O Molecular Weight: 765.39 (anhydrous basis) MDL Number: MFCD00150480…

  • Nitriver 3 Powder Pillows 10ml

    Hach

    Nitrogen, Nitrite, LR, NitriVer® 3 Reagent USEPA accepted for reporting wastewater analysis using Hach Method 8507 Method: Diazotization Range: up to 0.30 mg/L Sample Size: 10 mL 100/test

  • Nitric acid, ACS, fuming, 90%

    Alfa Aesar

    Formula: HNO3 Formula weight: 63.01 Purity: 90% CAS Number: 7697-37-2 UN Number: UN2031 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2808.00 Hazard Statements: H272-H330-H314-H318 May intensify fire; oxidizer. Fatal if inhaled. Causes severe skin burns and eye…

  • Nutrient Broth

    BD

    General purpose medium for the cultivation of microorganisms with non-exacting nutritional requirements.

  • NitraVer® 3 Nitrate Reagent with Powder Pillows

    Hach

    Method: NitraVer® 3 Range: 0 - 0.2 mg/L or 0 - 0.5 mg/L Sample Size: 5 mL

  • 1-Naphthol, 99%

    Alfa Aesar

    Synonym(s): ^a-Naphthol, 1-Hydroxynaphthalene Formula: C10H8O Formula weight: 144.17 Purity: 99% CAS Number: 90-15-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2907.15 Hazard Statements: H318-H302-H312-H335-H315 Causes serious eye…

  • Nicotinic hydrazide, 97%

    MilliporeSigma

    CAS No.: 553-53-7 Synonyms: Nicotinic acid hydrazide Formula: C6H7N3O Formula Weight: 137.14 Linear Formula: C6H7N3O MDL No.: MFCD00006383 Purity: 0.97 Melting Point: 159-161 °C(lit.)

  • Nitric Acid, Reagent (ACS)

    GFS Chemicals

  • Nutrient Agar

    BD

    General purpose medium for the cultivation of a wide variety of microorganisms.

  • SUPELCO Nylon 66 Filter Membranes

    MilliporeSigma

    pore size 0.20 μm, diam. 47 mm, pkg of 50 Synonym(s): MEMBRANES NYLON 66 0.2UM PK/50

  • Nutrients Basic Reagent Set, Test' N Tube

    Hach

    Description: Nutrients Testing Basic Reagent Set, Test 'N Tube Instrument: All except DR 900, PC II Number of tests: test each: Nitrogen, Total, LR • Phosphorus, Total, LR Platform: Test 'N Tube™

  • N-(1-Naphthyl)ethylenediamine dihydrochloride, ACS reagent, >98%

    MilliporeSigma

    Synonyms: 2-(1-Naphthylamino)ethylamine dihydrochloride Formula: C10H7NHCH2CH2NH2 · 2HCl Formula Weight: 259.17 CAS No.: 1465-25-4 Purity: >98% Application: Coupling agent for the spectrophotometric…

  • "Norfloxacin, =98% (TLC)"

    MilliporeSigma

    Synonyms: 1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid; 1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-piperazino-3-quinolinecarboxylic acid Formula: C16H18FN3O3 Formula Weight: 319.33 CAS No.: 70458-96-7 Purity: …

  • Nicotine ditartrate dihydrate

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): (−)-Nicotine hydrogen tartrate salt dihydrate Empirical Formula: C10H14N2 -+ 2C4H6O6 -+ 2H2O Formula Weight: 498.44 Linear Formula: …

  • ALDRICH Nickel(II) chloride, 98%

    MilliporeSigma

    Empirical Formula: Cl2Ni Linear Formula: NiCl2 Formula Weight: 129.60 MDL Number: MFCD00011142 Purity: 98% Density: 3.55 g/mL at 25 °C(lit.)

  • N,N-Dimethyl-1,3-propanediamine, 99%

    Alfa Aesar

    Synonym(s): 3-Dimethylaminopropylamine Formula: C5H14N2 Formula weight: 102.18 Purity: 99% CAS Number: 109-55-7 UN Number: UN2734 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2921.29 Hazard Statements: H314-H226-H302-H317 Causes severe skin burns and eye…

  • Nickel(II) cyanide tetrahydrate

    Alfa Aesar

    Formula: Ni(CN)2 4H2O Formula weight: 182.73 (110.73anhy) CAS Number: 13477-95-7 UN Number: UN1653 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2837.19 Hazard Statements: H334-H350-H372-H317 May cause allergy or asthma symptoms or breathing difficulties if…

  • Nessler Reagent, StandARd

    Avantor - Macron Fine Chemicals™

    (For Ammonia Nitrogen) Specific Gravity: 1L = 1.20 Kg

  • Nitrite Titrets Kit, Range: 250-2500 ppm as NaNO2

    CHEMetrics

    Range: 250-2500 ppm as NaNO2 MDL: 250 ppm Method: Ceric Sulfate Titrant with Ferroin Indicator Increments: 250, 275, 300, 325, 350, 375, 400, 450, 500, 625, 750, 875, 1000, 1250, 1750, 2500 ppm Kit comes in a cardboard box and contains everything needed to perform 30…

  • Nitrogen-Ammonia Reagent Set

    Hach

    Nitrogen-Ammonia Reagent Set: Nessler Reagent, Mineral Stabilizer, Polyvinyl Alcohol Dispersing Agent USEPA accepted for reporting wastewater analysis (distillation required) using Hach Method 8038 Method: Colorimetric Range: 0-3 mg/L 250/test

  • Nitrite (Nitrogen Standard)

    Ricca Chemical

    Formula: KNO2 and CHCl in Water Formula Weight: Description: 1000 ppm N as Nitrite (3285 ppm NO2)

  • N-Benzyloxycarbonyl-L-glutamic acid 1-benzyl ester, 95%

    Alfa Aesar

    Synonym(s): Z-Glu-OBzl, N-Cbz-L-glutamic acid 1-benzyl ester Formula: C20H21NO6 Formula weight: 371.38 Purity: 95% CAS Number: 3705-42-8 Harmonized Tariff Code:  2924.29

  • N-1-Naphthylethylenediamine Dihydrochloride

    Avantor - J.T.Baker®

    Formula: C10H7NHCH2CH2NH2 2HCl Formula Weight: 259.18 CAS Number: 1465-25-4 Synonym(s): (Marshall\'s Reagent) Description: For Nitrogen Dioxide Determination (ASTM D-1607)

  • SIAL 1-Naphthol

    MilliporeSigma

    puriss. p.a., Reag. Ph. Eur., ≥99% (GC) Synonym(s): α-Naphthol; 1-Hydroxynaphthalene Empirical Formula: C10H8O Formula Weight: 144.17 Linear Formula: C10H7OH MDL Number: MFCD00003930 Purity: ≥99% (GC) Boiling…

  • "α-Naphtholbenzein, indicator (pH 8.2-10.0)"

    MilliporeSigma

    Synonyms: 4,4′-(α-Hydroxybenzylidene)di-1-naphthol; p-naphtholbenzein Formula: C27H18O2 Formula Weight: 374.43 CAS No.: 145-50-6

  • Noble agar,

    MilliporeSigma

    Synonyms: Agar; Agar-agar; Gum agar Formula: (C12H18O9)n CAS No.: 9002-18-0 Application: Originally designed for use in Noble′s cyanide citrate agar. Preparation Note: Further purified from bacteriological agar with careful specific washings.

  • SUPELCO Nylon 66 Filter Membranes

    MilliporeSigma

    pore size 0.45 μm, diam. 47 mm, pkg of 50 ea Synonym(s): MEMBRANES NYLON 66 .45UM PK/50

  • ALDRICH Negative photoresist I

    MilliporeSigma

    MDL Number: MFCD00084438 Boiling Point: 122-142 °C(lit.) Density: 0.89 g/mL at 25 °C(lit.) Storage: 2-8°C

  • ALDRICH 1-Naphthylamine, Greater Than or Equal to 99.0%

    MilliporeSigma

    Synonym(s): α-Naphthylamine; 1-Aminonaphthalene Formula: C10H7NH2 Formula Weight: 143.19 CAS No.: 134-32-7 UN Number: UN2077 Purity: ≥99.0% Density: 1.114g/mLat 25°C(lit.) Storage: 2-8°C Packaging: 25, 100, 250 g in…

  • Nonidet P-40

    IBI Scientific

    NP-40 is a non-ionic detergent used to denature cell membranes without denaturing the protein. NP-40 detergent is used to solubilize cerbral GABA receptors and solubilization of proteins and lipids.

  • 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%

    Alfa Aesar

    Synonym(s): 1-Nitroso-R-salt Formula: C10H5NNa2O8S2 Formula weight: 377.26 Purity: 90+% CAS Number: 525-05-3 Harmonized Tariff Code:  2908.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • NitraVer® 5 Nitrate Reagent with Powder Pillows

    Hach

    For High Range: 0 - 30 mg/L as nitrate-N

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