Reagents, N

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Reagents, N

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  • Reagent Set, Nitrogen Ammonia

    Hach

    Nitrogen-Ammonia Reagent Set (Colorimetric Method) Salicylate Method contains: Ammonia Cyanurate Reagent Powder Pillows and Ammonia Salicylate Reagent Powder Pillows Sample: 10 mL 100 tests Powder Pillows

  • 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

  • Nutrient Agar

    BD

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

  • Nisin from Lactococcus lactis 2.5% (balance sodium chloride and denatured milk…

    MilliporeSigma

    CAS Number: 1414-45-5 Empirical Formula (Hill Notation): C143H230N42O37S7 Molecular Weight: 3354.07 MDL Number: MFCD00131724 PubChem Substance ID: 24897751 Biochem/physiol Actions Antibiotic with…

  • SIGMA 4-Nitrophenyl phosphate disodium salt hexahydrate tablet

    MilliporeSigma

    Synonym(s): p -Nitrophenyl phosphate disodium hexahydrate; Disodium 4-nitrophenyl phosphate hexahydrate; di-Sodium 4-nitrophenyl phosphate; pNPP disodium hexahydrate Empirical Formula: C6H4NNa2O6P -+ 6H2O Linear Formula: …

  • 1-Naphthaleneacetic acid plant cell culture tested, BioReagent, >=95%,…

    MilliporeSigma

    Synonym(s): α-Naphthaleneacetic acid; 1-Naphthylacetic acid; NAA Empirical Formula: C12H10O2 Linear Formula: C12H10O2 Formula Weight: 186.21 MDL Number: MFCD00004046 Purity: ≥95% Beilstein Registry…

  • SIGMA Nile Blue A Dye content >=75 %

    MilliporeSigma

    Synonym(s): Basic Blue 12; Nile blue sulfate Empirical Formula: C40H40N6O6S Linear Formula: 2C20H20N3O -+ SO4 Formula Weight: 732.85 MDL Number: MFCD00064529 Melting Point: >300 °C (dec.)(lit.)

  • N,O-Bis(trimethylsilyl)trifluoroacetamide, 98+%

    Alfa Aesar

    Synonym(s): BSTFA Formula: C8H18F3NOSi2 Formula weight: 257.40 Purity: 98+% CAS Number: 25561-30-2 UN Number: UN2924 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318-H226 Causes severe skin burns and eye damage. Causes…

  • Nitrogen-Nitrate Reagent Sets

    Hach

    Nitrogen-Nitrate Reagent Sets includes: NitriVer® 3 Reagent Powder Pillows and NitraVer® 6 Reagent Powder Pillows Method: Cadmium Reduction Range: 0 - 0.5 mg/L pk/100

  • N-Methyl-N-trimethylsilyltrifluoroacetamide activated I

    MilliporeSigma

    for GC, activated with ethanethiol and ammonium iodide Synonym(s): MSTFA activated I Refractive Index: n 20/D 1.380 Storage: 2-8°C RIDADR: UN 1993C 3 / PGIII

  • Nutrient Broth

    BD

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

  • 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…

  • SIGMA Nile Blue A certified by the Biological Stain Commission

    MilliporeSigma

    Synonym(s): Basic Blue 12; Nile blue sulfate Empirical Formula: C40H40N6O6S Linear Formula: 2C20H20N3O -+ SO4 Formula Weight: 732.85 MDL Number: MFCD00064529 Melting Point: >300 °C (dec.)(lit.)

  • Nitrate (Nitrogen Standard)

    Ricca Chemical

    Formula: KNO3 and CHCl3 in Water Description: 100 ppm N as Nitrate

  • Nitric Acid, Fuming, AR (ACS)

    Avantor - Macron Fine Chemicals™

    Formula: HNO3 Formula Weight: 63.01 CAS Number: 7697-37-2

  • ^a-Naphtholbenzein

    Alfa Aesar

    Synonym(s): 4-[^a-(4-Hydroxy-1-naphthyl)benzylidene]naphthalen-1(4H)-one, p-Naphtholbenzein Formula: C27H18O2 Formula weight: 374.44 CAS Number: 145-50-6 Harmonized Tariff Code:  2907.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • 4-Nitrophenol, 99%

    Alfa Aesar

    Formula: C6H5NO3 Formula weight: 139.11 Purity: 99% CAS Number: 100-02-7 UN Number: UN1663 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2908.99 Hazard Statements: H373-H302-H312-H332 May cause damage to organs through prolonged or repeated exposure.…

  • β-Nicotinamide adenine dinucleotide hydrate, =98%, BioUltra, from yeast

    MilliporeSigma

    Synonyms: β-DPN; β-NAD; Coenzyme 1; Cozymase; DPN; Diphosphopyridine nucleotide; NAD; Nadide Formula: C21H27N7O14P2 · xH2O Formula Weight: 663.43 (anhydrous basis) CAS No.: 53-84-9 Purity: ≥98% Storage…

  • ALDRICH N-Methylacetamide, >=99%

    MilliporeSigma

    Synonym(s): Acetylmethylamine Empirical Formula: C3H7NO Linear Formula: CH3CONHCH3 Formula Weight: 73.09 MDL Number: MFCD00008683 Purity: ≥99% Boiling Point: 204-206 °C(lit.) Melting Point: …

  • 1-Naphthyl phosphate disodium salt hydrate, 99%

    Alfa Aesar

    Synonym(s): Disodium 1-naphthyl phosphate hydrate Formula: C10H7Na2O4P xH2O Formula weight: 268.12(anhy) Purity: 99% CAS Number: 207569-06-0 Harmonized Tariff Code:  2919.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • FLUKA Nitric acid concentrate

    Honeywell

    for 1L standard solution, 1.0 M HNO3 (1.0N) Synonym(s): Nitric acid solution Empirical Formula: HNO3 Formula Weight: 63.01 Linear Formula: HNO3 MDL Number: MFCD00011349 RIDADR: UN 2031B 8 / PGII

  • "Nessler's reagent, for qualitative det. of ammonia and ammonium compounds"

    MilliporeSigma

    Synonyms: Potassium tetraiodomercurate – Potassium hydroxide solution CAS No.: 7783-33-7 Density: 1.16 g/mL at 20 °C Caution: may form little sediment upon storage Other Notes: Reagent for the determination of ammonia 1 Included Fees: C989V96 has a Small Barrier Pack Fee…

  • Naproxen

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): ( S )-(+)-2-(6-Methoxy-2-naphthyl)propionic acid Empirical Formula: C14H14O3 Formula Weight: 230.26 Linear Formula: …

  • Neisser's Methylene Blue Solution, for microscopy

    MilliporeSigma

    Synonyms: Methylene Blue Solution according to Neisser

  • N-Methyldiethanolamine, 98+%

    Alfa Aesar

    Synonym(s): MDEA, 2,2'-Methyliminodiethanol Formula: C5H13NO2 Formula weight: 119.17 Purity: 98+% CAS Number: 105-59-9 Harmonized Tariff Code:  2922.19 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear…

  • SIGMA 4-Nitrophenyl valerate liquid

    MilliporeSigma

    Synonym(s): Pentanoic acid 4-nitrophenyl ester Empirical Formula: C11H13NO4 Linear Formula: C11H13NO4 Formula Weight: 223.23 MDL Number: MFCD00057614 Storage: −20°C

  • SIGMA n-Propionyl coenzyme A lithium salt >=85%

    MilliporeSigma

    Empirical Formula: C24H40N7O17P3S Linear Formula: C24H40N7O17P3S Formula Weight: 823.60 Purity: ≥85% Storage: −20°C

  • SIGMA 2,3-Naphthalenedicarboxaldehyde suitable for fluorescence

    MilliporeSigma

    Synonym(s): NDA Empirical Formula: C12H8O2 Linear Formula: C10H6(CHO)2 Formula Weight: 184.19 MDL Number: MFCD00016618 Melting Point: 131-133 °C(lit.); 132-135 °C Storage: 2-8°C Beilstein…

  • 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)

  • Ninhydrin, ACS reagent

    Alfa Aesar

    Synonym(s): 2,2-Dihydroxy-1,3-indanedione Formula: C9H6O4 Formula weight: 178.14 CAS Number: 485-47-2 Harmonized Tariff Code:  2914.39 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…

  • Nitrate (Nitrogen Standard)

    Ricca Chemical

    Formula: KNO3 and CHCl3 in Water Description: 1000 ppm N as Nitrate

  • ALDRICH 2-(1-Naphthyl)ethylamine hydrochloride, 95%

    MilliporeSigma

    Synonym(s): 1-Naphthaleneethanamine hydrochloride; 1-Naphthaleneethylamine hydrochloride Empirical Formula: C12H14ClN Linear Formula: C12H14ClN Formula Weight: 207.70 MDL Number: MFCD08276817 Purity: 95% Melting Point: 247-259 °C

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