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  • SIGMA Nystatin >=4,400 USP units/mg

    Sigma-Aldrich

    Synonym(s): Fungicidin; Mycostatin MDL Number: MFCD25541651 Storage: −20°C

  • SIGMA Hexadecyltrimethylammonium bromide, =98%

    Sigma-Aldrich

    Synonyms: CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide Formula: CH3(CH2)15N(Br)(CH3)3 Formula Weight: 364.45 CAS No.: 57-09-0 Purity: ≥98% Application: Cationic surfactant …

  • ALDRICH (±)-Naringenin, Greater Than or Equal to 95%

    Sigma-Aldrich

    Synonym(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

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

    Sigma-Aldrich

    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 N-Lauroylsarcosine sodium salt >=94%

    Sigma-Aldrich

    Synonym(s): N -Dodecanoyl- N -methylglycine sodium salt; Sarkosyl NL Empirical Formula: C15H28NNaO3 Linear Formula: CH3(CH2)10CON(CH3)CH2COONa Formula Weight: 293.38 MDL Number: MFCD00042728 …

  • SIAL Nitrilotriacetic acid

    Sigma-Aldrich

    ACS reagent, ≥99.0% Synonym(s): N,N -Bis(carboxymethyl)glycine; NTA; Tris(carboxymethyl)amine Empirical Formula: C6H9NO6 Formula Weight: 191.14 Linear Formula: N(CH2COOH)3 MDL Number: MFCD00004287 Purity: …

  • FLUKA N-Methyl-N-trimethylsilyltrifluoroacetamide activated I

    Sigma-Aldrich

    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

  • ALDRICH Naphthalene, 99%

    Sigma-Aldrich

    Formula: C10H8 Formula Weight: 128.17 CAS No.: 91-20-3 UN Number: UN1334 Purity: 99% Packaging: 1 kg in poly bottle

  • NOCHROMIX® box of 10 packs (net weight: 1130 g)

    Sigma-Aldrich

    EC Number: 231-786-5 General Description Each package, when mixed with sulfuric acid, makes 5 pt of cleaning solution. Metal-free, non-polluting, EPA recommended, non-carcinogenic. Legal Information NOCHROMIX is a registered trademark of Godax Laboratories, Inc.

  • FLUKA Nizatidine

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): N -{2-[2-( N , N -Dimethylaminomethyl)-4-thiazolylmethylthio]ethyl}- N '-methyl-2-nitro-1,1-ethenediamine Empirical Formula: C12H21N5O2S2 Formula Weight: 331.46 Linear…

  • ALDRICH Nonylphenol, technical grade, mixture of ring and chain isomers

    Sigma-Aldrich

    Formula: CH3(CH2)8C6H4OH Formula Weight: 220.35 CAS No.: 84852-15-3 UN Number: UN3145 Density: 0.937g/mLat 25°C(lit.) Packaging: 1, 3 L in glass bottle Included Fees: C983L39 has a Large Can included in the price. To…

  • FLUKA Nonylphenol, PESTANAL®, analytical standard, technical mixture

    Sigma-Aldrich

    Formula: CH3(CH2)8C6H4OH Formula Weight: 220.35 CAS No.: 84852-15-3 Density: 0.937 g/mL at 25 °C(lit.) Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • N,N-Dimethyldodecylamine N-oxide, BioXtra, =99.0% (NT)

    Sigma-Aldrich

    Synonym: DDAO, LDAO, Lauryldimethylamine N -oxide CAS Number: 1643-20-5 Linear Formula: CH3(CH2)11N(O)(CH3)2 Molecular Weight: 229.40 Beilstein Registry Number: 1769927 EC Number: 216-700-6 MDL Number:…

  • N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride >=95%, powder

    Sigma-Aldrich

    Synonym(s): TMPPD; Wurster's reagent Empirical Formula: C10H16N2 -+ 2HCl Linear Formula: C6H4[N(CH3)2]2-+2HCl Formula Weight: 237.17 MDL Number: MFCD00012482 Purity: ≥95% Melting Point: …

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  • Nitric acid, >=69.0%, TraceSELECT®, for trace analysis

    Sigma-Aldrich

    CAS No.: 7697-37-2 Formula: HNO3 Formula Weight: 63.01 Linear Formula: HNO3 MDL No.: MFCD00011349 Purity: ≥69.0% (T); ≥69.0% Boiling Point: 120.5 °C(lit.) Density: 1.41 g/mL at 20 °C

  • FLUKA Nitric acid

    Sigma-Aldrich

    ≥69.0%, Trace SELECT ® , for trace analysis Empirical Formula: HNO3 Formula Weight: 63.01 Linear Formula: HNO3 MDL Number: MFCD00011349 Purity: ≥69.0% (T); ≥69.0% Boiling Point: 120.5 °C(lit.) Density: …

  • ALDRICH 4-Nitrobenzaldehyde, 98%

    Sigma-Aldrich

    Formula: O2NC6H4CHO Formula Weight: 151.12 CAS No.: 555-16-8 Purity: 98% Packaging: 10, 25, 100 g in poly bottle

  • SIGMA Neochlorogenic acid from Lonicera japonica, >=98.0% (HPLC)

    Sigma-Aldrich

    Synonym(s): 5- O -( trans -3,4-Dihydroxycinnamoyl)-D-quinic acid; trans -5- O -Caffeoylquinic acid Empirical Formula: C16H18O9 Linear Formula: C16H18O9 Formula Weight: 354.31 MDL Number: MFCD10566639 Purity: …

  • FLUKA 4-Nitrobenzaldehyde

    Sigma-Aldrich

    for spectrophotometric det. of amino sugars, ≥99.0% Empirical Formula: C7H5NO3 Formula Weight: 151.12 Linear Formula: O2NC6H4CHO MDL Number: MFCD00007346 Purity: ≥99.0% (HPLC); ≥99.0% Melting…

  • ALDRICH n-Butyllithium solution, 2.5M in hexanes

    Sigma-Aldrich

    Synonym(s): n -BuLi; Butyl lithium; Butyllithium solution; Lithium-1-butanide Empirical Formula: C4H9Li Linear Formula: CH3(CH2)3Li Formula Weight: 64.06 MDL Number: MFCD00009414 Density: 0.693 g/mL at…

  • FLUKA Nitric acid concentrate

    Sigma-Aldrich

    for 1L standard solution, 0.1 M HNO3 (0.1N) Synonym(s): Nitric acid solution Empirical Formula: HNO3 Formula Weight: 63.01 Linear Formula: HNO3 MDL Number: MFCD00011349 RIDADR: UN 2031B 8 / PGII

  • SIGMA N-Z-Amine® B

    Sigma-Aldrich

    Synonym(s): Peptone from casein

  • SIGMA NADP/NADPH Quantitation Kit sufficient for 100 colorimetric-átests

    Sigma-Aldrich

    Synonym(s): NADP/NADPH Assay Kit Storage: −70°C

  • SIGMA NSC 37249 dihydrochloride >=98% (HPLC)

    Sigma-Aldrich

    Synonym(s): N,N'-(Sulfonyldi-4,1-phenylene)bis[2-(dicyclohexylamino)-acetamide dihydrochloride Empirical Formula: C40H58N4O4S -+ 2HCl Linear Formula: C40H58N4O4S -+ 2HCl Formula Weight: 763.90 …

  • SIAL N,N-Dimethylformamide

    Sigma-Aldrich

    ReagentPlus ® , ≥99% Synonym(s): DMF Empirical Formula: C3H7NO Formula Weight: 73.09 Linear Formula: HCON(CH3)2 MDL Number: MFCD00003284 Purity: ≥99% Boiling Point: 153 °C(lit.) Melting Point: …

  • SUPELCO Nylon 66 Filter Membranes

    Sigma-Aldrich

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

  • FLUKA 4-Nitrobenzoyl chloride, for HPLC derivatization

    Sigma-Aldrich

    Formula: O2NC6H4COCl Formula Weight: 185.56 CAS No.: 122-04-3 Purity: ≥99.0% (GC) Other Notes: Derivatization of hydroxy groups for HPLC 1, 2

  • ALDRICH Nickel(II) chloride, 98%

    Sigma-Aldrich

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

  • FLUKA Neutral Red, for microscopy (Bact., Bot., Fl., Hist., Vit.), indicator (pH…

    Sigma-Aldrich

    Synonyms: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride; Basic Red 5; Toluylene red Formula: C15H17ClN4 Formula Weight: 288.78 CAS No.: 553-24-2 Application: Useful as an indicator for preparing neutral red paper, and as a biological stain.

  • SUPELCO Naphthenes Mix

    Sigma-Aldrich

    analytical standard Storage: 2-8°C Components: n -Butylcyclopentane 3.724 wt. %; Cyclohexane 5.4 wt. %; Cyclopentane 4.97 wt. %; cis -1,2-Dimethylcyclohexane 3.725 wt. %; trans -1,2-Dimethylcyclohexane 1.669 wt. %; trans -1,4-Dimethylcyclohexane 3.557 wt. %;…

  • ALDRICH Nickel(II) acetate tetrahydrate, 99.998% trace metals basis

    Sigma-Aldrich

    Synonym(s): Acetic acid nickel(II) salt Empirical Formula: C4H6NiO4 -+ 4H2O Linear Formula: Ni(OCOCH3)2 -+ 4H2O Formula Weight: 248.84 MDL Number: MFCD00066973 Purity: 99.998% trace metals basis Density: …

  • ALDRICH Nickel(II) nitrate hexahydrate, 99.999% trace metals basis

    Sigma-Aldrich

    Empirical Formula: N2NiO6 -+ 6H2O Linear Formula: Ni(NO3)2 -+ 6H2O Formula Weight: 290.79 MDL Number: MFCD00149805 Purity: 99.999% trace metals basis Melting Point: 56 °C(lit.) Density: …

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