Reagents, D

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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…

  • 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…

  • 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…

  • 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

  • "1,3-Dimethylamylamine"

    MilliporeSigma

    analytical standard Synonym(s): 1,3-Dimethylpentanamine; 1,3-Dimethylpentylamin; 4-Methyl-2-hexanamine; Methylhexanamine; NSC 1106 Empirical Formula: C7H17N Formula Weight: 115.22 Linear Formula: C7H17N MDL Number: MFCD00025613 Purity: …

  • SIGMA 1 kb DNA Ladder for DNA electrophoresis

    MilliporeSigma

    Storage: −20°C

  • Dissolved Oxygen DT Reagent Sets

    Hach

    (Drop Count Titration Method) For OX-2P Test Kit (1469-00) Contains: Dissolved Oxygen 1, 2, and 3 Reagent Powder Pillows; Sodium Thiosulfate Standard (0.0109 N)

  • Dichloran Glycerol Agar

    MilliporeSigma

    for microbiology Synonym(s): DG 18 Agar

  • DTT, DL-Dithiothreitol

    bioWORLD

    DTT is used to reduce disulfide linkages while maintaining the thiol group in the reduced state in solution. Note: Most DTT preparations contain oxidized DTT. bioWorld's DTT is tested for proteomics research, sealed under Nitrogen, and assured of quality.  Synonyms: …

  • 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…

  • Dowex® 1X4 chloride form, chloride form, 20-50 mesh

    MilliporeSigma

    Synonyms: Dowex ® 1X4-50 ion-exchange resin Formula: (C10H12 · C10H10 · C8H8 · C3H9N)X CAS No.: 69011-19-4 Application: Strongly basic (type I) anion exchange resin for fine…

  • Dimethyl Sulfoxide for HPLC, >=99.7%

    MilliporeSigma

    Synonym(s): DMSO Formula Weight: 78.13 Linear Formula: (CH3)2SO MDL Number: MFCD00002089 Purity: ≥99.7% Boiling Point: 189 °C(lit.) Melting Point: 16-19 °C(lit.) Density: 1.10 g/mL(lit.) …

  • Dextran 250 for calibration

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Dextran Linear Formula: [C6H10O5]n MDL Number: MFCD00130935

  • Dipropylene glycol, mixture of isomers, 99%

    Alfa Aesar

    Synonym(s): Bis(hydroxypropyl) ether, Oxybispropanol Formula: HOC3H6OC3H6OH Formula weight: 134.18 Purity: 99% CAS Number: 25265-71-8 Harmonized Tariff Code:  2909.49

  • n-Decane, 99%

    Alfa Aesar

    Formula: C10H22 Formula weight: 142.29 Purity: 99% CAS Number: 124-18-5 UN Number: UN2247 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2901.10 Hazard Statements: H304-H226 May be fatal if swallowed and enters airways. Flammable liquid and vapour. …

  • Diesel

    MilliporeSigma

    Multi-Parameter Certified Reference Material RIDADR: UN 1202 3 / PGIII

  • 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…

  • SIGMA Dopamine hydrochloride

    MilliporeSigma

    Synonym(s): 2-(3,4-Dihydroxyphenyl)ethylamine hydrochloride; 3,4-Dihydroxyphenethylamine hydrochloride; 3-Hydroxytyramine hydrochloride; 4-(2-Aminoethyl)-1,2-benzenediol hydrochloride Empirical Formula: C8H11NO2 -+ HCl Linear Formula: …

  • 2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%

    Alfa Aesar

    Synonym(s): DPPH Formula: C18H12N5O6 Formula weight: 394.32 Purity: 95% CAS Number: 1898-66-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2927.00 Hazard Statements: H300-H315-H319-H335 Fatal if swallowed. Causes skin irritation. Causes…

  • DTT (Dithiothreitol-Cleland's Reagent)

    IBI Scientific

    DTT is used in enzyme preparations to prevent formation of disulfides from sulfhydryl groups, thereby stabilizing the enzyme. Note: Do NOT autoclave DTT or solutions containing DTT

  • Density Standard 870 kg/m3

    MilliporeSigma

    H&D Fitzgerald Ltd. Quality Synonym(s): Mineral oil MDL Number: MFCD00131611 Refractive Index: n 20/D 1.467(lit.) RTECS No.: PY8047000

  • 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…

  • SIGMA DBO-83 solid

    MilliporeSigma

    Synonym(s): 3-(6-Chloro-3-pyridazinyl)-3,8-diazabicyclo[3.2.1]octane dihydrochloride Empirical Formula: C10H13ClN4 -+ 2HCl Linear Formula: C10H13ClN4 -+ 2HCl Formula Weight: 297.61 MDL Number: MFCD03452917

  • SIAL Direct Red 80

    MilliporeSigma

    Dye content 25 % Synonym(s): Sirius Red Empirical Formula: C45H26N10Na6O21S6 Formula Weight: 1373.07 Linear Formula: C45H26N10Na6O21S6 MDL…

  • ALDRICH Diethyl 2,2-diethoxyethylphosphonate, 95%

    MilliporeSigma

    Synonym(s): Diethyl phosphonoacetaldehyde diethyl acetal; NSC 407851; NSC 77101 Empirical Formula: C10H23O5P Linear Formula: (CH3CH2O)2CHCH2P(O)(OCH2CH3)2 Formula Weight: 254.26 …

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

    MilliporeSigma

    Synonym(s): DPBS Application: Dulbecco’s Phosphate Buffered Saline 10X is a stock solution used to prepare 1X D-PBS in cell culture grade water (W3500). D-PBS is used to wash cells during preparation and serial transfer.

  • DPX Mountant for histology, slide mounting medium

    MilliporeSigma

    Flash Point (F): 46.4 °F Flash Point (C): 8 °C Refractive Index: n 20/D 1.52

  • ALDRICH Di(trimethylolpropane) tetraacrylate, average Mw 466

    MilliporeSigma

    Empirical Formula: C24H34O9 Linear Formula: [(H2C=CHCO2CH2)2C(C2H5)CH2]2O Formula Weight: 466.52 MDL Number: MFCD00192118 Density: 1.101 g/mL at…

  • SIGMA D-Panthenol >=98.0% (NT)

    MilliporeSigma

    Synonym(s): ( R )-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide; ( R )-2,4-Dihydroxy-3,3-dimethylbutyric 3-hydroxypropylamide; D-Pantothenyl alcohol; Dexpanthenol; Provitamin B Empirical Formula: C9H19NO4 Linear Formula: …

  • ALDRICH Dipentaerythritol hexakis(2-bromoisobutyrate)

    MilliporeSigma

    Synonym(s): 6f-BiB; Hexafunctional 2-bromoisobutyrate; Hexafunctional initiator Empirical Formula: C34H52Br6O13 Linear Formula: C34H52Br6O13 Formula Weight: 1148.19 MDL Number: MFCD16621495 …

  • Dichlorodimethylsilane

    MilliporeSigma

    Selectophore ™ Synonym(s): DMDCS; Dimethyldichlorosilane Empirical Formula: C2H6Cl2Si Formula Weight: 129.06 Linear Formula: (CH3)2SiCl2 MDL Number: MFCD00000491 Boiling Point: 70 °C(lit.) …

  • 2,6-Di-tert-butyl-4-methylphenol, 99%

    Alfa Aesar

    Synonym(s): BHT, Butylated hydroxytoluene Formula: C15H24O Formula weight: 220.36 Purity: 99% CAS Number: 128-37-0 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2907.19 Hazard Statements: H302-H319 Harmful if swallowed. Causes serious eye…

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