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…

  • SIGMA 3,5-Dinitrosalicylic acid used in colorimetric determination of reducing…

    MilliporeSigma

    Synonym(s): 3,5-Dinitro-2-hydroxybenzoic acid; DNS Empirical Formula: C7H4N2O7 Linear Formula: (O2N)2C6H2-2-(OH)CO2H Formula Weight: 228.12 MDL Number: MFCD00007104 Purity: ≥98%…

  • 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,…

  • SIGMA 2-Deoxy-D-glucose >=98% (GC), crystalline

    MilliporeSigma

    Synonym(s): 2-Deoxyglucose; 2-Deoxy-D-arabinohexose Empirical Formula: C6H12O5 Linear Formula: C6H12O5 Formula Weight: 164.16 MDL Number: MFCD00151328 Purity: ≥98% (GC) Melting Point: 146-147 °C(lit.) …

  • 4-n-Decyloxybenzoic acid, 96%

    Alfa Aesar

    Formula: C17H26O3 Formula weight: 278.39 Purity: 96% CAS Number: 5519-23-3 Harmonized Tariff Code:  2918.99

  • DMSO

    bioWORLD

    ACS Grade Freezing point: <18.30°C Residue after evaporation: <0.01% Water: <0.1% A275 (undiluted): <0.20 Titratable acid: <0.001meq/g Substances darkened by potassium hydroxide Caution: Readily absorbed through skin Haz Mat fee applies …

  • 5,7-Dodecadiyn-1,12-dioic Acid, 98%

    GFS Chemicals

    HOOC(CH2)3C≡CC≡C(CH2)3COOH CAS#: 28393-04-6 F.W.: 222.24 Requires refrigeration.

  • 2,4-Dichlorophenoxyacetic acid, 98%

    Alfa Aesar

    Synonym(s): 2,4-D Formula: C8H6Cl2O3 Formula weight: 221.04 Purity: 98% CAS Number: 94-75-7 Harmonized Tariff Code:  2918.99 Hazard Statements: H318-H302-H312-H317-H335 Causes serious eye damage. Harmful if swallowed. Harmful in contact with skin. May cause an allergic skin…

  • ALDRICH [1,1'-Bis(diphenylphosphino)ferrocene]dichloropalladium(II), complex…

    MilliporeSigma

    Synonym(s): Pd(dppf)Cl2 · CH2Cl2; Pd(dppf)Cl2 · DCM; [1,1′-Bis(diphenylphosphino)ferrocene]dichloropalladium(II) (1:1) Formula: C35H30Cl4FeP2Pd Formula Weight: 816.64 CAS No.: 95464-05-4 …

  • Dulcitol, 97%

    Alfa Aesar

    Synonym(s): Galactitol Formula: C6H14O6 Formula weight: 182.17 Purity: 97% CAS Number: 608-66-2 Harmonized Tariff Code:  2905.49

  • ALDRICH N,N'-Diisopropylcarbodiimide, 99%

    MilliporeSigma

    Synonym(s): DIC Formula: (CH3)2CHN=C=NCH(CH3)2 Formula Weight: 126.20 CAS No.: 693-13-0 UN Number: UN2929 Purity: 99% Density: 0.815g/mLat 20°C(lit.) Application: Coupling reagent for peptide syntheses. 1, 2, Packaging: …

  • 3,5-Dichloro-4-pyridone, 98%

    Alfa Aesar

    Synonym(s): 3,5-Dichloro-4-hydroxypyridine Formula: C5H3Cl2NO Formula weight: 163.99 Purity: 98% CAS Number: 17228-70-5 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye…

  • 3,5-Difluoro-4-methoxybenzonitrile, 97%

    Alfa Aesar

    Formula: C8H5F2NO Formula weight: 169.13 Purity: 97% CAS Number: 104197-15-1 UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H311-H302-H332-H315-H319 Toxic in contact with skin. Harmful if swallowed. Harmful if…

  • SIGMA DL-Dithiothreitol, for molecular biology, =98% (TLC), =99% (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% (titration) Storage Temperature: 2-8°C Application: An excellent reagent…

  • 3-Dimethylaminopropyl chloride hydrochloride, 98%

    Alfa Aesar

    Synonym(s): 1-Chloro-3-dimethylaminopropane hydrochloride Formula: Cl(CH2)3N(CH3)2 HCl Formula weight: 158.07 Purity: 98% CAS Number: 5407-04-5 Harmonized Tariff Code:  2921.19 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye…

  • 6-Dodecyne, 98%

    GFS Chemicals

    CH3(CH2)4C≡C(CH2)4CH3 CAS#: 6975-99-1 F.W.: 166.31

  • 3,5-Dimethylanisole, 99%

    Alfa Aesar

    Synonym(s): 5-Methoxy-m-xylene Formula: C9H12O Formula weight: 136.19 Purity: 99% CAS Number: 874-63-5 Harmonized Tariff Code:  2909.30 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away from heat/sparks/open…

  • 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…

  • Diphenylcarbazone-Xylenol Orange FF Cyanol Mixed Indicator (not acidifier)

    Ricca Chemical

    Formula: Mixture Description: For low level Chloride

  • Dimethyl sulfoxide, ACS, 99.9% min

    Alfa Aesar

    Synonym(s): Methyl sulfoxide Formula: C2H6OS Formula weight: 78.13 Purity: 99.9% min CAS Number: 67-68-5 Harmonized Tariff Code:  2930.90 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away from…

  • SIGMA Diethyl pyrocarbonate >=97% (NMR)

    MilliporeSigma

    Synonym(s): DEP; DEPC; Diethyl dicarbonate; Diethyl oxydiformate; Ethoxyformic acid anhydride Empirical Formula: C6H10O5 Linear Formula: O(COOC2H5)2 Formula Weight: 162.14 MDL Number: MFCD00009106 Purity: ≥97%…

  • 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: …

  • SIAL 3,3'-Diethylthiacyanine iodide

    MilliporeSigma

    Dye content ~97 % Empirical Formula: C19H19IN2S2 Formula Weight: 466.40 Linear Formula: C19H19IN2S2 MDL Number: MFCD00050309 Melting Point: >300 °C(lit.) RIDADR: UN…

  • ALDRICH Diisopropyl azodicarboxylate, 98%

    MilliporeSigma

    Synonym(s): DIAD; Diisopropyl azodiformate Formula: (CH3)2CHOOCN=NCOOCH(CH3)2 Formula Weight: 202.21 CAS No.: 2446-83-5 UN Number: UN3082 Purity: 98% Density: 1.027g/mLat 25°C(lit.) Application: Reactant for preparation of:…

  • SIGMA DL-Propargylglycine cystathionine g-lyase inhibitor

    MilliporeSigma

    Synonym(s): 2-Amino-4-pentynoic acid; PAG Empirical Formula: C5H7NO2 Linear Formula: C5H7NO2 Formula Weight: 113.11 MDL Number: MFCD00056728 Storage: −20°C

  • 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…

  • Diethyl ethoxymethylenemalonate, for LC-MS derivatization, >=98.0% (GC)

    MilliporeSigma

    CAS No.: 87-13-8 Synonyms: DEEMM; Ethoxymethylenemalonic acid diethyl ester Formula: C10H16O5 Formula Weight: 216.23 Linear Formula: C2H5OCH=C(COOC2H5)2 MDL No.: MFCD00009148 Purity: …

  • 1,4-Dimethoxy-2-Butyne, 98%

    GFS Chemicals

    CH3OCH2C≡CCH2OCH3 CAS#: 16356-02-8 F.W.: 114.14

  • D-Fructose, 99%

    Alfa Aesar

    Synonym(s): D-Levulose Formula: C6H12O6 Formula weight: 180.16 Purity: 99% CAS Number: 57-48-7 Harmonized Tariff Code:  1702.50

  • SIGMA DL-Isocitric acid trisodium salt hydrate >=93%

    MilliporeSigma

    Synonym(s): threo -DsLs-Isocitric acid trisodium salt hydrate Empirical Formula: C6H5Na3O7 -+ xH2O Linear Formula: C6H5Na3O7 -+ xH2O Formula Weight: 258.07…

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