Reagents, D

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  • Drierite Drying Agent (Anhydrous Calcium Sulfate), Indicating Grade

    W.A. Hammond Drierite Co.

    Indicating Drierite is impregnated with cobalt chloride. Indicating Drierite is blue when dry and changes to pink upon absorption of moisture. The color change is pronounced and clearly visible. This makes Indicating Drierite valuable when it is necessary to know with certainty that dryness is…

  • Diethyl n-propylmalonate, 99%

    Alfa Aesar

    Synonym(s): n-Propylmalonic acid diethyl ester Formula: C10H18O4 Formula weight: 202.25 Purity: 99% CAS Number: 2163-48-6 Harmonized Tariff Code:  2917.19 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away…

  • ALDRICH Dichloro[1,3-Bis(2-methylphenyl)-2-imidazolidinylidene](benzylidene)…

    MilliporeSigma

    Synonym(s): [1,3-Bis(2-methylphenyl)-2-imidazolidinylidene]dichloro(phenylmethylene) (tricyclohexylphosphine)ruthenium(II) Empirical Formula: C42H57Cl2N2PRu Linear Formula: C42H57Cl2N2PRu Formula…

  • ALDRICH 2,5-Dimethylresorcinol, 95%

    MilliporeSigma

    Empirical Formula: C8H10O2 Linear Formula: (CH3)2C6H2-1,3-(OH)2 Formula Weight: 138.16 MDL Number: MFCD00134473 Purity: 95% Boiling Point: 277 °C(lit.) Melting Point: 157-162 °C(lit.)

  • SUPELCO Diaion® HP-20, pkg of 1000 g

    MilliporeSigma

    Density: 1.01 g/mL at 25 °C (true wet)(lit.) Application: Polyaromatic adsorbent resin for hydrophobic compounds: antibiotics, biomolecules; useful for desalting; broad application base. Other Notes: Swelling in toluene = 30% Legal Information: Diaion is a registered trademark of…

  • Drierite Drying Agent (Anhydrous Calcium Sulfate), Regular Grade

    W.A. Hammond Drierite Co.

    Properties: REGULAR DRIERITE is anhydrous calcium sulfate. It is of neutral pH, constant in volume, chemically inert except toward water, insoluble in organic liquids and refrigerants, non-disintegrating, non-wetting, non-toxic, non-corrosive, non-chan-neling, generally recognized as safe (GRAS) by…

  • Dimethyl Sulfoxide, Hybri-Max™, Sterile-filtered, BioReagent, Suitable for…

    MilliporeSigma

    Synonym: DMSO, Methyl sulfoxide CAS Number: 67-68-5 Linear Formula: (CH3)2SO Molecular Weight: 78.13 Packaging: 5 mL and 10 mL in flame sealed ampules, 100 mL in amber bottle Application DMSO is a polar aprotic solvent used in chemical reactions, in…

  • DTT

    RPI (Research Products International)

    Protective reagent for maintaining -SH groups in reduced state. DTT permeates the cell membrane protecting protein sulfhydryls thereby restoring enzyme activity lost by oxidation of the groups.

  • Dimethyl Sulfoxide

    MP Biomedicals

    Dimethyl sulfoxide (DMSO) is a highly polar aprotic organic reagent that has exceptional solvent properties for organic and inorganic chemicals. Dimethyl Sulfoxide is ideal for use as a cryoprotectant. Also used in chemical reactions, in polymerase chain reactions (PCR) as a PCR cosolvent to…

  • N,N-Dimethylacetamide, 99%

    Alfa Aesar

    Synonym(s): DMA Formula: C4H9NO Formula weight: 87.12 Purity: 99% CAS Number: 127-19-5 Harmonized Tariff Code:  2924.19 Hazard Statements: H360-H312-H332-H227 May damage fertility or the unborn child. Harmful in contact with skin. Harmful if inhaled. Combustible liquid. …

  • Docusate sodium, meets USP testing specifications

    MilliporeSigma

    Synonyms: Docusate sodium salt; AOT; Bis(2-ethylhexyl) sulfosuccinate sodium salt; Sodium bis(2-ethylhexyl) sulfosuccinate; Sulfobutanedioic acid bis(2-ethylhexyl ester) sodium salt; Sulfosuccinic acid bis(2-ethylhexyl) ester sodium salt; ‘Dioctyl' sulfosuccinate sodium salt Formula: …

  • DMP-30

    Electron Microscopy Sciences

    (2,4,6-Tri(dimethylaminomethyl) phenol) Formula Weight: 265.0 CAS #: 90-72-2 Specific Gravity: 0.973 @ 25°C/25°C Refractive Index @25°C: 1.514 A tertiary amine, used as an accelerator for anhydride cures. One of the most popular accelerators available!…

  • Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II), complex with…

    Alfa Aesar

    Synonym(s): [1,1'-Bis(diphenylphosphino)ferrocene]palladium(II) chloride, PdCl{2}(dppf)^.CH{2}Cl{2} Formula: C34H28Cl2FeP2Pd.CH2Cl2 Formula weight: 816.64 CAS Number: 95464-05-4 Harmonized Tariff Code:  2843.90 Hazard Statements: H351-H302-H332 Suspected of causing cancer. Harmful…

  • DAPI for nucleic acid staining

    MilliporeSigma

    Synonym: 2-(4-Amidinophenyl)-6-indolecarbamidine dihydrochloride, 4′,6-Diamidino-2-phenylindole dihydrochloride, DAPI dihydrochloride CAS Number: 28718-90-3 Empirical Formula (Hill Notation): C16H15N5 · 2HCl Molecular Weight: …

  • DL-Dithiothreitol (DTT) Sol, 100mM

    bioWORLD

    100mM DTT solution in water Molecular Biology Grade DNAse, RNAse free Appearance: Liquid Boiling Point: 364.5°C Density: 1.302g/cm3 IUPAC_Name: (2S,3S)-1,4-disulfanylbutane-2,3-diol Melting Point: 38-43°C PH Value: 3.0-5.0 RTECS Number: EK1610000

  • ALDRICH Dimethyl sulfoxide-d6, 99.9 atom % D, anhydrous

    MilliporeSigma

    Synonyms: (Methyl sulfoxide)-d6; DMSO-d6; Hexadeuterodimethyl sulfoxide Formula: (CD3)2SO Formula Weight: 84.17 CAS No.: 2206-27-1 Density: 1.190 g/mL at 25 °C(lit.) Packaging: 10 x 1 mL in ampule

  • DL-Dithiothreitol, =98% (TLC), =99.0% (titration)

    MilliporeSigma

    Synonyms: threo -1,4-Dimercapto-2,3-butanediol; Cleland's reagent; DTT Formula: HSCH2CH(OH)CH(OH)CH2SH Formula Weight: 154.25 CAS No.: 3483-12-3 Purity: ≥98% (TLC); ≥99.0% (titration) Storage Temperature: 2-8°C Application: An excellent reagent…

  • Docusate Sodium, USP

    Spectrum Chemical

    Grade: USP CAS No.: 577-11-7

  • SIGMA Dulbecco's Phosphate Buffered Saline, Modified, without calcium chloride…

    MilliporeSigma

    Synonym(s): DPBS Application: DPBS is a balanced salt solution (BSS) used for the handling and culturing of mammalian cells. DPBS is used to to irrigate, wash, and dilute mammalian cells. Phosphate buffering maintains the pH in the physiological range. Calcium and magnesium facilitate cell…

  • DPD Free Chlorine Reagent Powder Pillows, 10 mL Sample

    Hach

    Chlorine, Free USEPA accepted for reporting for drinking water analysis using Hach Method 8021, DPD Method Range: 0 - 2.0 mg/L Sample Size: 10 mL,25mL,5mL pk/300 Powder Pillows

  • Dowex® 1X8 chloride form, chloride form, 50-100 mesh

    MilliporeSigma

    Synonyms: Dowex ® 1X8-100 ion exchange resin Formula: (C10H12 · C10H10 · C8H8 · C3H9N)X CAS No.: 69011-19-4 Application: Strongly basic (type I) anion exchange resin for fine chemical…

  • 1,2-Dichloro-4-nitrobenzene, 99%

    Alfa Aesar

    Synonym(s): 3,4-Dichloronitrobenzene, 4-Chloro-o-dichlorobenzene Formula: C6H3Cl2NO2 Formula weight: 192.00 Purity: 99% CAS Number: 99-54-7 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2904.90 Hazard Statements: H341-H302 Suspected of…

  • ALDRICH 4-Diethylaminobenzaldehyde, 99%

    MilliporeSigma

    Formula: (C2H5)2NC6H4CHO Formula Weight: 177.24 CAS No.: 120-21-8 Purity: 99% Packaging: 100 g in glass bottle

  • Dowex® 50WX4 hydrogen form, hydrogen form, 50-100 mesh

    MilliporeSigma

    Formula: (C10H12 · C10H10 · C8H8)x CAS No.: 69011-20-7 Application: Strongly acidic cation exchange resin that meets requirements of FDA Food Additive Regulation 21 CFR 173.25 Other Notes: This strongly acidic…

  • 2,6-Dichloroindophenol sodium salt hydrate suitable for vitamin C determination,…

    MilliporeSigma

    Synonym: 2,6-Dichlorobenzenone-indophenol sodium salt, 2,6-Dichlorophenolindophenol sodium salt hydrate, 2,6-Dichloro-N-(4-hydroxyphenyl)-1,4-benzoquinoneimine sodium salt, DCIP, DPIP CAS Number: 620-45-1 Empirical Formula (Hill Notation): …

  • Donkey serum,

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonyms: Serum Storage: -20C UNSPSC Code: 12352203 General description: Donkey serum is…

  • Dextran, 40,000, Powder

    Spectrum Chemical

    CAS No.: 9004-54-0

  • ALDRICH 2,2-Diphenyl-1-picrylhydrazyl,

    MilliporeSigma

    Synonym(s): 1,1-Diphenyl-2-picrylhydrazyl radical; 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl; DPPH Formula: C18H12N5O6 Formula Weight: 394.32 CAS No.: 1898-66-4 Other Notes: Free radical Storage: 2-8°C Packaging: 1, 5 g in…

  • SIGMA Dimethyl sulfoxide, sterile-filtered, Biotechnology Performance Certified,…

    MilliporeSigma

    Synonym(s): DMSO; Methyl sulfoxide Formula: (CH3)2SO Formula Weight: 78.13 CAS No.: 67-68-5 Purity: (USP XXIV) Density: 1.10g/mL(lit.) Application: Human and animal cell lines grown in culture are generally stored frozen. Freezing protects the cell line from…

  • Dowex®, 50WX8-400, Ion Exchange ResinDowex-50W-hydrogen

    Spectrum Chemical

    CAS No.: 11119-67-8

  • 2,4-Dinitrophenylhydrazine or HPLC derivatization, =99.0% (HPLC)

    MilliporeSigma

    CAS Number: 119-26-6 Linear Formula: (O2N)2C6H3NHNH2 Molecular Weight: 198.14 Beilstein Registry Number: 615586 EC Number: 204-309-3 MDL Number: MFCD00007578

  • N,N-Dimethylcyclohexylamine, 0.99

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonyms: Cyclohexyldimethylamine; Dimethylaminocyclohexane CAS Number: 98-94-2 Formula: C8H17N…

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