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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…

  • Dichloro(dimethylamino)phosphine, 98%

    Alfa Aesar

    Synonym(s): (Dimethylamino)dichlorophosphine, Dimethylphosphoramidous dichloride Formula: C2H6Cl2NP Formula weight: 145.96 Purity: 98% CAS Number: 683-85-2 UN Number: UN2924 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: …

  • Orion™ 2100 Series and 1800 Series Analyzer Reagents for Orion Online Monitors

    Thermo Scientific Orion

    Use Thermo Scientific™ Orion™ 2100 Series and 1800 Series Analyzer Reagents for Orion Online Monitors with Orion™ process analyzers. Reagents for the Orion 2109XP, 2110XP, 2111LL, 2111XP, 2117XP, 2118XP, 2120XP, 1809, 1810, 1811AO, 1811EL, 1817HL, 1817LL, 1818 and 1820 analyzers.

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


    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…

  • Dichloromethane,Biotech Grade,99.9%,2L


    Synonym: Methylene chloride Empirical Formula (Hill Notation) CH2Cl2

  • DPD Free Chlorine Reagent Powder Pillows, 10 mL Sample


    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

  • SIAL 4-(Dimethylamino)benzaldehyde


    ACS reagent, 99% Synonym(s): Ehrlich's reagent Empirical Formula: C9H11NO Formula Weight: 149.19 Linear Formula: (CH3)2NC6H4CHO MDL Number: MFCD00003381 Purity: 99% Melting Point: 72-75 °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…

  • Difco™ Buffered Listeria Enrichment Broth Base


    Buffered Listeria Enrichment Broth Base is used as an enrichment broth for the cultivation of Listeria spp. from food according to the U.S Food and Drug Administration (FDA). Buffered Listeria Enrichment Broth Base is a modification of Listeria Enrichment Broth with added buffering strength.…

  • D(+)-Glucose, Monohydrate

    EMD Millipore

    Formula: C6H12O6•H2O Formula Weight: 198.17 CAS Number: 14431-43-7 Synonym(s): Dextrose, Monohydrate

  • FLUKA 4,4'-DBP


    PESTANAL ® , analytical standard Synonym(s): 4,4'-Dichlorobenzophenone; 4,4'-DBP Empirical Formula: C13H8Cl2O Formula Weight: 251.11 Linear Formula: (ClC6H4)2CO MDL Number: MFCD00000623 Boiling Point: …

  • Diethyl Ether, 2.5L


    Synonym: Ether Ethyl ether Linear Formula (CH3CH2)2O

  • 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

  • Diiodomethane, 99%, stab.

    Alfa Aesar

    Synonym(s): Methylene iodide Formula: CH2I2 Formula weight: 267.84 Purity: 99%, stab. CAS Number: 75-11-6 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.39 Hazard Statements: H331-H302-H315-H319-H335 Toxic if inhaled. Harmful if…

  • Drierite® Indicating (8 Mesh)

    EMD Millipore

    CaSO4 with cobaltous chloride as indicator Molar mass: 136.15

  • Dimidium bromide, 95%

    Alfa Aesar

    Synonym(s): 3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide Formula: C20H18BrN3 Formula weight: 380.31 Purity: 95% CAS Number: 518-67-2 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Diethylamine, 99+%

    Alfa Aesar

    Formula: C4H11N Formula weight: 73.14 Purity: 99+% CAS Number: 109-89-7 UN Number: UN1154 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2921.19 Hazard Statements: H225-H314-H302-H312-H332 Highly flammable liquid and vapour. Causes severe skin burns and eye…

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


    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…

  • Di-tert-butyl dicarbonate, 97+%

    Alfa Aesar

    Synonym(s): Boc anhydride, Di-tert-butyl pyrocarbonate Formula: C10H18O5 Formula weight: 218.25 Purity: 97+% CAS Number: 24424-99-5 UN Number: UN2930 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2920.90 Hazard Statements: H330-H318-H228-H315-H317-H335 …

  • SIGMA Duolink® In Situ PLA® Probe Anti-Mouse MINUS Affinity purified Donkey anti…


    Storage: 2-8°C Included Fees: C957D39 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • FLUKA 1,2-Dipalmitoyl-sn-glycero-3-phosphate calcium salt


    ≥98.0% (TLC) Synonym(s): 3- sn -Phosphatidic acid, 1,2-dipalmitoyl calcium salt; L-β,γ-Dipalmitoyl-α-phosphatidic acid calcium salt Empirical Formula: C35H67CaO8P Formula Weight: 686.95 Linear Formula: …

  • DAPI for nucleic acid staining


    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: …

  • Celite® 545, BAKER ANALYZED Reagent

    Avantor - J.T.Baker®

    Synonyms: Diatomaceous Earth, Diatomaceous silica. CAS Number: 68855-54-9 For use in pesticide residue analysis after petroleum ether extraction.

  • 4-(Dimethylamino)pyridine, 99%

    Alfa Aesar

    Formula: C7H10N2 Formula weight: 122.17 Purity: 99% CAS Number: 1122-58-3 UN Number: UN2928 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H310-H314-H318 Toxic if swallowed. Fatal in contact with skin. Causes severe skin burns…

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


    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.

  • Diisopropylamine, 99+%

    Alfa Aesar

    Formula: [(CH3)2CH]2NH Formula weight: 101.19 Purity: 99+% CAS Number: 108-18-9 UN Number: UN1158 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2921.19 Hazard Statements: H225-H314-H318-H302-H332 Highly flammable liquid and vapour. Causes severe skin burns and…

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