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Reagents, B

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  • tert-Butyl alcohol, ACS, 99+%

    Alfa Aesar

    Synonym(s): 2-Methyl-2-propanol, tert-Butanol Formula: C4H10O Formula weight: 74.12 Purity: 99+% CAS Number: 75-65-0 UN Number: UN1120 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.14 Hazard Statements: H225-H332-H319-H335 Highly flammable liquid and…

  • SUPELCO BSTFA, Derivatization Grade, for GC derivatization


    CAS No.: 25561-30-2

  • Bacteriological Agar

    IBI Scientific

    IBI's Bacteriological Agar is a water soluble colloidal extract obtained from certain species of marine red algae; including Gelidium, Pterocladia, and Gracilaria. Impurities, debris, minerals, and pigments are reduced to specific levels during manufacture. Agar is typically used for general…

  • SIGMA Bendamustine hydrochloride hydrate >=98% (HPLC)


    Synonym(s): 1H-Benzimidazole-2-butanoic acid, 5-[bis(2-chloroethyl)amino]-1-methyl monohydrochloride; Treanda Empirical Formula: C16H21Cl2N3O2-+HCl -+ xH2O Linear Formula: …

  • Barium hydroxide, anhydrous, 94-98%

    Alfa Aesar

    Formula: Ba(OH)2 Formula weight: 171.36 Purity: 94-98% CAS Number: 17194-00-2 UN Number: UN3262 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2816.40 Hazard Statements: H314-H318-H302-H332 Causes severe skin burns and eye damage. Causes serious eye damage.…

  • Boron Trifluoride (12% w / V In Methanol) 500 G Baker

    Avantor - J.T.Baker®

    For Laboratory, Research or Manufacturing Use. Comes in a 1 liter narrow mouth, amber glass bottle. Formula: BF3 Formula Weight: 67.81 CAS Number: 7637-07-2 IMO: 3:3286 HTS Number: 3824909290 Specific Gravity: 1L = 0.87 Kg Flash Point: …

  • Brilliant Green Bile Broth 2%


    Standard Methods medium for confirmed and completed tests for coliform bacteria in water and foods.

  • Bromine liquid, 99.8%

    Alfa Aesar

    Purity: 99.8% CAS Number: 7726-95-6 UN Number: UN1744 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2801.30 Hazard Statements: H330-H314 Fatal if inhaled. Causes severe skin burns and eye damage. Precautionary Statements: …

  • SUPELCO BSTFA, Derivatization Grade


    for GC derivatization Synonym(s): BSA; BSTFA; BSTFA/pyridine; HMDS; TMCS; acetic anhydride RIDADR: UN 2924 8(3) / PGIII

  • Butylated hydroxytoluene =99%, FCC, FG


    Synonym:  2,6-Di-tert-butyl-4-methylphenol, 2,6-Di-tert-butyl-p-cresol, BHT, Butylated hydroxytoluene, Butylhydroxytoluene, DBPC CAS Number   128-37-0 Linear Formula  [(CH 3 ) 3 C] 2 C 6 H 2 (CH …

  • Blotto


    Blot blocking buffer used to block non-specific binding for antibodies on the membrane 5% nonfat dry milk, 0.02% Sodium azide in PBS

  • Bis(2-chloroethyl) ether, 99%

    Alfa Aesar

    Synonym(s): 2-Chloroethyl ether, 2,2'-Dichlorodiethyl ether Formula: C4H8Cl2O Formula weight: 143.01 Purity: 99% CAS Number: 111-44-4 UN Number: UN1916 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2909.19 Hazard Statements: H300-H310-H330-H226-H351 Fatal…

  • Benzophenone, 99%

    Alfa Aesar

    Synonym(s): Diphenyl ketone Formula: C13H10O Formula weight: 182.22 Purity: 99% CAS Number: 119-61-9 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2914.39 Risk Phrases: 50/53 Very toxic to aquatic organisms, may cause long-term adverse…

  • Bromocresol Green-Methyl Red Mixed Indicator

    Ricca Chemical

    Formula: Mixture

  • ALDRICH Benzyl chloroformate, technical grade, 95%


    Synonym(s): Carbobenzoxy chloride; Z-Chloride Formula: ClCO2CH2C6H5 Formula Weight: 170.59 CAS No.: 501-53-1 UN Number: UN1739 Purity: 95% Density: 1.195g/mLat 25°C(lit.) Application: Cbz-protected anilines were prepared…

  • ALDRICH Benzimidazole, 98%


    Synonym(s): 1,3-Benzodiazole; BZI Formula: C7H6N2 Formula Weight: 118.14 CAS No.: 51-17-2 Purity: 98% Packaging: 100, 500 g in poly bottle

  • ALDRICH a-Bromoisobutyryl bromide, 98%


    Synonym(s): 2-Bromo-2-methylpropionyl bromide; BIBB Formula: (CH3)2CBrCOBr Formula Weight: 229.90 CAS No.: 20769-85-1 UN Number: UN3265 Purity: 98% Density: 1.86g/mLat 25°C(lit.) Application: Used to form an N -protected halodienamide which…

  • ALDRICH [1,1'-Bis(diphenylphosphino)ferrocene]dichloronickel(II), 97%


    Synonym(s): Ni(dppf)Cl2 Empirical Formula: C34H28Cl2FeNiP2 Linear Formula: C34H28Cl2FeNiP2 Formula Weight: 683.98 MDL Number: MFCD00270284 Purity: 97% Melting Point: …

  • 2-Bromo-4'-phenylacetophenone, 97%

    Alfa Aesar

    Synonym(s): 4-(Bromoacetyl)biphenyl, 4-Phenylphenacyl bromide Formula: C14H11BrO Formula weight: 275.15 Purity: 97% CAS Number: 135-73-9 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2914.70 Hazard Statements: H314-H318 Causes severe skin…

  • FLUKA Benzidine


    purum p.a., ≥98.0% (N) Synonym(s): 4,4'-Diaminobiphenyl Empirical Formula: C12H12N2 Formula Weight: 184.24 Linear Formula: C12H12N2 MDL Number: MFCD00039765 Purity: ≥98.0% (N) Beilstein Registry…

  • tert-Butanol, puriss. p.a., ACS reagent, =99.7% (GC)


    Synonyms: 2-Methyl-2-propanol; tert -Butyl alcohol; Trimethyl carbinol Formula: (CH3)3COH Formula Weight: 74.12 CAS No.: 75-65-0 Purity: ≥99.7% (GC) Density: 0.775 g/mL at 25 °C(lit.)

  • FLUKA Butachlor


    PESTANAL ® , analytical standard Empirical Formula: C17H26ClNO2 Formula Weight: 311.85 Linear Formula: C17H26ClNO2 MDL Number: MFCD00072426 Beilstein Registry Number: 2873811 RTECS No.: AE1200000 RIDADR: UN…

  • Murashige and Skoog Basal Salt Mixture (MS) powder, plant cell culture tested


    Formula Variant With the macro- and micronutrients as described by Murashige and Skoog (1962). Preparation Note Murashige and Skoog medium can be reconstituted from powder or by combining products that are major components of complete M&S medium, such as macronutrient mixtures and…

  • FLUKA Bile salts


    for microbiology

  • SIGMA 5-Bromo-2'-deoxyuridine BioUltra, >=99%


    Synonym(s): 5-BrdU; 5-Bromo-1-(2-deoxy-β-D-ribofuranosyl)uracil; 5-Bromouracil deoxyriboside; BUdR Empirical Formula: C9H11BrN2O5 Linear Formula: C9H11BrN2O5 Formula Weight: 307.10 MDL Number: …

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  • FLUKA 6-Benzylaminopurine


    analytical standard Synonym(s): 6-BAP; BA; N 6 -Benzyladenine Empirical Formula: C12H11N5 Formula Weight: 225.25 Linear Formula: C12H11N5 MDL Number: MFCD00005572 Purity: ≥99.0% (HPLC) Storage: …

  • Barium chloride dihydrate, =99%


    Formula: BaCl2 · 2H2O Formula Weight: 244.26 CAS No.: 10326-27-9 Purity: ≥99% Packaging: 1 kg in poly bottle Packaging: 100, 500 g in poly bottle

  • FLUKA Brain Heart Infusion Broth, for microbiology


    Synonyms: BHI Broth; Brain Heart Broth Application: For the cultivation of fastidious pathogenic microorganisms. Recommended by the "Schweizerisches Lebensmittelbuch" 5th ed., chapter 56A. Other Notes: Production of 12α-hydroxysteroid dehydrogenase from Clostridium group P 1

  • Boron tribromide, 99% min

    Alfa Aesar

    Formula: C10H15BrZn Formula weight: 280.51 CAS Number: 312624-15-0 UN Number: UN3399 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H225-H261-H314-H351-H335 Highly flammable liquid and vapour. In contact with water releases flammable…

  • ALDRICH Bis[bis(trimethylsilyl)amino]tin(II)


    Empirical Formula: C12H36N2Si4Sn Linear Formula: [[(CH3)3Si]2N]2Sn Formula Weight: 439.48 MDL Number: MFCD00191794 Boiling Point: 112 °C/0.05 mmHg(lit.) Melting Point: …

  • 2-Bromoacetophenone, 98%

    Alfa Aesar

    Synonym(s): Phenacyl bromide Formula: C8H7BrO Formula weight: 199.05 Purity: 98% CAS Number: 70-11-1 UN Number: UN2645 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2914.70 Hazard Statements: H331-H314-H318 Toxic if inhaled. Causes severe skin burns and…

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