Reagents, N, Bottle, Poly
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ALDRICH (±)-Naringenin, Greater Than or Equal to 95%
MilliporeSigmaSynonym(s): (±)-2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-4 H -1-benzopyran-4-one; 4′,5,7-Trihydroxyflavanone Formula: C15H12O5 Formula Weight: 272.25 CAS No.: 67604-48-2 Purity: ≥95% Packaging: 5, 25 g in poly bottle
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ALDRICH 1,8-Naphthalimide, 99%
MilliporeSigmaFormula: C12H7NO2 Formula Weight: 197.19 CAS No.: 81-83-4 Purity: 99% Packaging: 10 g in poly bottle
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Nitrate (Nitrogen Standard)
Ricca ChemicalFormula: KNO3 and CHCl3 in Water Description: 1000 ppm N as Nitrate
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1,4-Naphthoquinone, 0.97
MilliporeSigmaSynonyms: alpha-Naphthoquinone CAS Number: 130-15-4 Formula: C10H6O2 Formula Weight: 158.15 Linear Formula: C10H6O2 MDL No.: MFCD00001676 Purity: 0.97 Melting Point: 119-122 C (lit.) Beilstein Registry Number: 878524 EC Number: 204-977-6 UNSPSC Code: 12352100 …
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ALDRICH 2-Naphthol, 98%
MilliporeSigmaSynonym(s): β-Naphthol; 2-Hydroxynaphthalene Formula: C10H7OH Formula Weight: 144.17 CAS No.: 135-19-3 UN Number: UN3077 Purity: 98% Packaging: 1, 2 kg in poly bottle
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Ninhydrin Gr For Analysis ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 485-47-2 pH: 4.6 - 5.0 (10 g/l, H2O, 20°C) Solubility: 20 g/l (20°C) Melting Point: 250 - 258°C (decomposition) Molar Mass: 178.15 g/mol Bulk Density: 680 kg/m3 Hill Formula: C9H6O4
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Nessler Reagent, StandARd
Avantor - Macron Fine Chemicals™(For Ammonia Nitrogen) Specific Gravity: 1L = 1.20 Kg
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ALDRICH 3'-Nitroacetophenone, ReagentPlus®, 99%
MilliporeSigmaFormula: O2NC6H4COCH3 Formula Weight: 165.15 CAS No.: 121-89-1 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 100, 500 g in poly bottle
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Formula: KNO3 in Water Description: 1000 ppm Nitrate, 226ppm N
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Nitrate (Nitrogen Standard)
Ricca ChemicalFormula: KNO3 and CHCl3 in Water Description: 100 ppm N as Nitrate
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Formula: C10H8 Formula Weight: 128.17 CAS No.: 91-20-3 UN Number: UN1334 Purity: ≥99% Packaging: 250 g in poly bottle
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ALDRICH Naphthalene, 99%
MilliporeSigmaFormula: C10H8 Formula Weight: 128.17 CAS No.: 91-20-3 UN Number: UN1334 Purity: 99% Packaging: 1 kg in poly bottle
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ALDRICH 4'-Nitroacetophenone, 98%
MilliporeSigmaFormula: O2NC6H4COCH3 Formula Weight: 165.15 CAS No.: 100-19-6 Purity: 98% Packaging: 100 g in poly bottle
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pH: 14 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.30 g/cm3 (20°C)
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4-Nitrobenzaldehyde For Synthesis
MilliporeSigmaCAS No.: 555-16-8 Solubility: 2.34 g/l (25°C) Melting Point: 101 - 104°C Molar Mass: 151.12 g/mol Bulk Density: 400 kg/m3
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Nutrient Agar, Granulated
MilliporeSigmaFormula: Mixture Suitability: For Microbiology Typical Composition (g/L): Peptone from meat 5.0; meat extract 3.0; agar-agar 12.0 Application: Universal culture medium for cultivating less fastidious microorganisms. Preparation: 20.0g/L Reference methods: AOAC…
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ALDRICH Neocuproine, Greater Than or Equal to 98%
MilliporeSigmaSynonym(s): 2,9-Dimethyl-1,10-phenanthroline; DMPHEN Formula: C14H12N2 Formula Weight: 208.26 CAS No.: 484-11-7 Purity: ≥98% Packaging: 1, 5, 25 g in poly bottle
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N,N'-Diphenylethylenediamine
MilliporeSigma98% Synonym: 1,2-Dianilinoethane, N,N'-Ethylenedianiline, Wanzlick’s Reagent for aldehydes CAS Number: 150-61-8 Linear Formula: C6H5NHCH2CH2NHC6H5 Molecular Weight: 212.29 Beilstein…
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ALDRICH 3-Nitrobenzaldehyde, ReagentPlus®, 99%
MilliporeSigmaFormula: O2NC6H4CHO Formula Weight: 151.12 CAS No.: 99-61-6 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 100, 500 g in poly bottle
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ALDRICH 4-Nitrobenzyl alcohol, 99%
MilliporeSigmaFormula: O2NC6H4CH2OH Formula Weight: 153.14 CAS No.: 619-73-8 Purity: 99% Packaging: 25, 100 g in poly bottle
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ALDRICH 4-Nitrobenzaldehyde, 98%
MilliporeSigmaFormula: O2NC6H4CHO Formula Weight: 151.12 CAS No.: 555-16-8 Purity: 98% Packaging: 10, 25, 100 g in poly bottle
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ALDRICH 2-Naphthol, 99%
MilliporeSigmaSynonym(s): β-Naphthol; 2-Hydroxynaphthalene Formula: C10H7OH Formula Weight: 144.17 CAS No.: 135-19-3 UN Number: UN3077 Purity: 99% Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to…
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Synonym(s): p -Nitrophenol Formula: O2NC6H4OH Formula Weight: 139.11 CAS No.: 100-02-7 UN Number: UN1663 Purity: ≥99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 50 g in poly bottle
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Nitrite (Nitrogen Standard)
Ricca ChemicalFormula: KNO2 and CHCl in Water Formula Weight: Description: 1000 ppm N as Nitrite (3285 ppm NO2)
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Nitric Acid
Columbus Chemical IndustriesColumbus Chemical Industries' Krystal pure nitric acid is a custom specification for the Semiconductor and Electronics market, featuring low trace metal content reported to ppb limits and low particle counts. Columbus Chemical Industries operates nitric acid distillation at both our Columbus, WI…