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…

  • 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…

  • Dibutylamine, BAKER ANALYZED Reagent

    Avantor - J.T.Baker®

    Formula: (CH3CH2CH2CH2)2NH Formula Weight: 129.25 CAS Number: 111-92-2 Specific Gravity: 1L = .76 Kg Flash Point: 47° C

  • 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

  • ALDRICH 2,4-Dinitrophenylhydrazine, reagent grade, 97%

    MilliporeSigma

    Formula: (O2N)2C6H3NHNH2 Formula Weight: 198.14 CAS No.: 119-26-6 Purity: 97% Application: Reagent for the determination of aldehydes 1 and ketones. 2, 3 Also employed in cyclocondensations to pyrazoles. 4 Packaging: 25,…

  • Dimethyl sulfoxide, ReagentPlus®, =99.5%

    MilliporeSigma

    Synonyms: DMSO; Methyl sulfoxide Formula: (CH3)2SO Formula Weight: 78.13 CAS No.: 67-68-5 Purity: ≥99.5% Density: 1.10 g/mL(lit.) Caution: Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to…

  • Dimethyl Sulfoxide (DMSO)

    Amresco

  • Dimethyl disulfide, 99%

    Alfa Aesar

    Synonym(s): Methyl disulfide Formula: CH3S-SCH3 Formula weight: 94.20 Purity: 99% CAS Number: 624-92-0 UN Number: UN2381 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H225-H301-H330-H319 Highly flammable liquid and vapour. Toxic…

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

    MilliporeSigma

    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

  • Density Standard (25°C)

    MilliporeSigma

    (UKAS ISO/IEC17025 and ISO Guide 34 certified), density: 0.934 g/mL at 25 °C Density: 0.934 g/mL at 25 °C RIDADR: UN 1170C 3 / PGII

  • 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…

  • ALDRICH Deuterium oxide, 99 atom % D

    MilliporeSigma

    Synonyms: Heavy water; Water-d2 Formula: D2O Formula Weight: 20.03 CAS No.: 7789-20-0 Density: 1.107 g/mL at 25 °C(lit.) Packaging: 1 kg in glass bottle Packaging: 25, 100 g in glass bottle

  • Diphenyl ether, 99%

    Alfa Aesar

    Synonym(s): Phenyl ether, Diphenyl oxide Formula: C12H10O Formula weight: 170.21 Purity: 99% CAS Number: 101-84-8 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2909.30 Hazard Statements: H319 Causes serious eye irritation. Precautionary…

  • SIGMA Dextrose, meets EP, BP, JP, USP testing specifications, anhydrous

    MilliporeSigma

    Synonyms: D-(+)-Glucose; Dextrose Formula: C6H12O6 Formula Weight: 180.16 CAS No.: 50-99-7

  • SIGMA Dimethyl sulfoxide, =99.5% (GC), plant cell culture tested

    MilliporeSigma

    Synonyms: DMSO; Methyl sulfoxide Formula: (CH3)2SO Formula Weight: 78.13 CAS No.: 67-68-5 Purity: ≥99.5% (GC) Density: 1.10 g/mL(lit.) Caution: Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming…

  • 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…

  • ALDRICH 3,3'-Diaminobenzidine, 99%

    MilliporeSigma

    Synonym(s): 3,3′,4,4′-Biphenyltetramine; 3,3′,4,4′-Tetraaminobiphenyl; DAB Formula: (NH2)2C6H3C6H3(NH2)2 Formula Weight: 214.27 CAS No.: 91-95-2 Purity: 99% Application: …

  • 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…

  • N,N'-Dicyclohexylcarbodiimide, 99%

    Alfa Aesar

    Synonym(s): DCC Formula: C13H22N2 Formula weight: 206.33 Purity: 99% CAS Number: 538-75-0 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2925.29 Hazard Statements: H311-H318-H302-H317 Toxic in contact with skin. Causes serious eye…

  • 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.

  • D-(+)-Xylose, 98+%

    Alfa Aesar

    Formula: C5H10O5 Formula weight: 150.13 Purity: 98+% CAS Number: 58-86-6 Harmonized Tariff Code:  2940.00

  • Dextran, MW ca 40,000

    Alfa Aesar

    Synonym(s): Dextran 40 Formula: (C6H10O5)n CAS Number: 9004-54-0 Harmonized Tariff Code:  3913.90

  • Diethylenetriaminepentaacetic acid, 98+%

    Alfa Aesar

    Synonym(s): DTPA, Pentetic acid Formula: C14H23N3O10 Formula weight: 393.35 Purity: 98+% CAS Number: 67-43-6 Harmonized Tariff Code:  2922.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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…

  • Density Standard (25°C)

    MilliporeSigma

    (UKAS ISO/IEC17025 and ISO Guide 34 certified), density: 0.8678 g/mL at 25 °C Density: 0.8678 g/mL at 25 °C

  • "Dibutylamine acetate Concentrate, ~0.5 M, for ion pair chromatography"

    MilliporeSigma

    Synonyms: Dibutylammonium acetate Concentrate Formula: (CH3CH2CH2CH2)2NH · CH3COOH Formula Weight: 189.30 CAS No.: 19070-91-8 Packaging: concentrate (~0.5 M) in ampules for 6x1 l 0.005 M ready-to-use solution

  • "Dextrin from potato starch, for microbiology"

    MilliporeSigma

    Formula: (C6H12O6)x CAS No.: 9004-53-9

  • SIGMA DL-Dithiothreitol solution BioUltra, for molecular biology, ~1 M in H2O

    MilliporeSigma

    Synonym(s): (±)- threo -1,4-Dimercapto-2,3-butanediol solution; DTT Empirical Formula: C4H10O2S2 Linear Formula: C4H10O2S2 Formula Weight: 154.25 MDL Number: MFCD00004877 Density: 1.04…

  • 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: …

  • Diglycolic acid, 98%

    Alfa Aesar

    Synonym(s): 2,2'-Oxydiacetic acid Formula: C4H6O5 Formula weight: 134.09 Purity: 98% CAS Number: 110-99-6 Harmonized Tariff Code:  2918.99 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Devarda's alloy

    MilliporeSigma

    puriss. p.a. Linear Formula: AlCuZn MDL Number: MFCD00198176 Melting Point: 550 °C(lit.) RIDADR: UN 3089 4.1 / PGII

  • DNA-Erase™

    MP Biomedicals

    DNA-Erase™ is a non-alkaline, non-corrosive and non-carcinogenic cleansing solution that is highly active against DNA contamination and is intended for use at PCR workstations for eliminating PCR artifacts from all laboratory surfaces, including benchtops, apparatus and pipettors. Presence of…

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