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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…

  • Donkey serum

    Sigma-Aldrich

    Synonym: Serum Application Normal donkey serum may be used as a blocking agent and controls in immunoassays. For immunohistochemistry and immunocytochemistry, donkey serum was used between 5%-20% as blocking agent in various studies. 1,2,3,4 General Description Donkey serum is…

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

    Sigma-Aldrich

    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…

  • FLUKA Dimethyl sulfoxide, GC-Headspace tested, =99.9%

    Sigma-Aldrich

    Synonyms: DMSO; Methyl sulfoxide Formula: (CH3)2SO Formula Weight: 78.13 CAS No.: 67-68-5 Purity: ≥99.9% (GC); ≥99.9% Density: 1.10 g/mL(lit.) Suitability: tested for GC-HS Caution: Supercools easily and remelts slowly at…

  • SIGMA Deoxyribonuclease I from bovine pancreas Type IV, lyophilized powder, >=2…

    Sigma-Aldrich

    Synonym(s): DNase I; Deoxyribonucleate 5'-oligonucleotido-hydrolase MDL Number: MFCD00130918 Storage: −20°C

  • 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

  • Dowex r 1X8 50-100 (Cl)

    Alfa Aesar

    CAS Number: 12627-85-9 Harmonized Tariff Code:  3914.00

  • 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. …

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

    Sigma-Aldrich

    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.

  • 2-(Dimethylamino)ethanol, 99+%

    Alfa Aesar

    Synonym(s): Deanol, N,N-Dimethylethanolamine Formula: C4H11NO Formula weight: 89.14 Purity: 99+% CAS Number: 108-01-0 UN Number: UN2051 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2922.19 Hazard Statements: H314-H226-H302-H312-H332 Causes severe skin…

  • DRBC Agar 500G

    EMD Millipore

    Formula: Mixture Synonym(s): Dichloran Rose Bengal Chloramphenicol Agar

  • Diastase from Aspergillus oryzae, powder, white, amylase >=3500 U/g

    Sigma-Aldrich

    CAS No.: 9000-92-4 MDL No.: MFCD00081555

  • Diethyl dicarbonate, 97%

    Alfa Aesar

    Synonym(s): Diethyl oxydiformate, Diethyl pyrocarbonate Formula: C6H10O5 Formula weight: 162.14 Purity: 97% CAS Number: 1609-47-8 Harmonized Tariff Code:  2920.90 Hazard Statements: H302-H315-H319-H335-H227 Harmful if swallowed. Causes skin irritation. Causes serious eye…

  • DL-a-Tocopherol acetate, =96% (HPLC)

    Sigma-Aldrich

    Synonym: Vitamin E acetate, all- rac -a-Tocopheryl acetate CAS Number: 7695-91-2 Empirical Formula (Hill Notation): C31H52O3 Molecular Weight: 472.74 Beilstein Registry Number: 97512 EC Number: 231-710-0 MDL Number: …

  • 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: …

  • FLUKA Dichloromethane

    Sigma-Aldrich

    Selectophore ™ , ≥99.5% Synonym(s): Methylene chloride Empirical Formula: CH2Cl2 Formula Weight: 84.93 Linear Formula: CH2Cl2 MDL Number: MFCD00000881 Purity: ≥99.5% (GC); ≥99.5% Boiling Point: …

  • ALDRICH Diisononyl phthalate, ester content >=99% (mixture of C9 isomers),…

    Sigma-Aldrich

    Synonym(s): DINP Empirical Formula: C26H42O4 Linear Formula: C6H4(CO2C9H19)2 Formula Weight: 418.61 Density: 0.972 g/mL at 25 °C(lit.) Refractive Index: n 20/D…

  • SIGMA Dulbecco's Modified Eagle's Medium - high glucose, With 4500 mg/L glucose…

    Sigma-Aldrich

    Synonym(s): DME; DMEM Application: Dulbecco′s Modified Eagle′s Medium (DMEM) is a modification of Basal Medium Eagle (BME) that contains four-fold concentrations of the amino acids and vitamins. The original formulation contained 1000 mg/L of glucose and was used to culture…

  • SIGMA Dulbecco's Modified Eagle's Medium/Nutrient Mixture F-12 Ham, With 15 mM…

    Sigma-Aldrich

    Synonym(s): DME/F-12, 1:1 mixture Application: DMEM:F12 is a 50:50 mixture of DMEM and Ham’s F12 media that has proven to be useful in a wide range of cell culture applications, especially when supplemented with fetal bovine serum (FBS). Ham′s Nutrient Mixture F12 was originally…

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

    Sigma-Aldrich

    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…

  • 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…

  • 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)

  • FLUKA Dinoprost trometamol

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Prostaglandin F tris salt; (5Z,9α,11α,13E,15S)-9,11,15-Trihydroxyprosta-5,13-dienoic acid tris salt; PGF−Tris Empirical Formula: C20H34O5 -+…

  • 1,4-Dithio-DL-threitol, 99%

    Alfa Aesar

    Synonym(s): Cleland's Reagent DTT racemic, (+/-)-threo-1,4-Dimercapto-2,3-butanediol Formula: C4H10O2S2 Formula weight: 154.25 Purity: 99% CAS Number: 3483-12-3 Harmonized Tariff Code:  2930.90 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation.…

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

    Sigma-Aldrich

    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

  • Diatomaceous earth, powder, suitable for most routine filtrations, =95% SiO2…

    Sigma-Aldrich

    Synonyms: Diatomaceous earth, calcined CAS No.: 91053-39-3 Purity: ≥95% SiO2 basis Packaging: 1, 5 kg in poly drum Packaging: 500 g in poly bottle

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

    Sigma-Aldrich

    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…

  • Diatomaceous earth,

    Sigma-Aldrich

    Synonyms: Diatomaceous earth, flux-calcined CAS No.: 68855-54-9 Packaging: 1 kg in poly bottle Packaging: 5 kg in poly drum

  • ALDRICH Diazald®, 99%

    Sigma-Aldrich

    Synonym(s): N -Methyl- N -( p -tolylsulfonyl)nitrosamide; N -Methyl- N -nitroso- p -toluenesulfonamide; N -Nitroso- N -methyl- p -toluenesulfonamide; N -Nitroso- p -toluenesulfomethylamide; p -Tolylsulfomethylnitrosamide; Diazomethane precursor Formula: …

  • Diatomaceous Earth

    Avantor - J.T.Baker®

    Analytical Filter Aid CAS Number: 68855-54-9 Specific Gravity: 1L = 2.30 Kg

  • FLUKA Diisopropyl ether, analytical standard

    Sigma-Aldrich

    Synonyms: Isopropyl ether Formula: (CH3)2CHOCH(CH3)2 Formula Weight: 102.17 CAS No.: 108-20-3 Purity: ≥99.7% (GC) Density: 0.725 g/mL at 25 °C(lit.) Supplemental Hazard Statements: May form explosive peroxides., Repeated exposure…

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