Reagents, B

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  • 4-Bromocrotonic acid benzoylmethyl ester, 97%

    Alfa Aesar

    Synonym(s): 4-Bromocrotonic acid phenacyl ester, Phenacyl 4-bromocrotonate Formula: C12H11BrO3 Formula weight: 283.13 Purity: 97% CAS Number: 154561-38-3 UN Number: UN3335 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2916.19 Hazard Statements: …

  • "Bromacil, PESTANAL®, analytical standard"

    MilliporeSigma

    Synonyms: 5-Bromo-3-sec.-butyl-6-methyluracil Formula: C9H13BrN2O2 Formula Weight: 261.12 CAS No.: 314-40-9 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • ALDRICH 4-(Benzyloxy)benzyl bromide, polymer-bound, 100-200mesh, extent of…

    MilliporeSigma

    Synonym(s): 4-(Bromomethyl)phenoxymethylpolystyrene; Wang brominated resin MDL Number: MFCD00163168

  • 2-Benzyloxybenzeneboronic acid, 96%

    Alfa Aesar

    Synonym(s): 2-Benzyloxyphenylboronic acid Formula: C13H13BO3 Formula weight: 228.06 Purity: 96% CAS Number: 190661-29-1 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 4-tert-Butyl-2,6-dimethylphenylsulfur trifluoride,

    MilliporeSigma

    Synonyms: Fluolead(TM) CAS Number: 947725-04-4 Formula: C12H17F3S Formula Weight: 250.32 Linear Formula: C12H17F3S MDL No.: MFCD11858620 Melting Point: 62-68 C UNSPSC Code: 12352000 General description: 4-tert-Butyl-2,6-dimethylphenylsulfur trifluoride is a thermally…

  • ALDRICH 2-Bromo-6-(difluoromethyl)pyridine, 95%

    MilliporeSigma

    Empirical Formula: C6H4BrF2N Linear Formula: C6H4BrF2N Formula Weight: 208.00 MDL Number: MFCD16140194 Purity: 95% Density: 1.703 g/mL at 25 °C Refractive Index: n 20/D 1.520 Storage: 2-8°C

  • ALDRICH 5-Bromo-2-methoxybenzyl alcohol, 97%

    MilliporeSigma

    Empirical Formula: C8H9BrO2 Linear Formula: BrC6H3(OCH3)CH2OH Formula Weight: 217.06 MDL Number: MFCD00004630 Purity: 97% Melting Point: 68-71 °C(lit.)

  • Bismuth polycrystalline lump, Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7440-69-9 Harmonized Tariff Code:  8106.00

  • ALDRICH 2-(Bromomethyl)quinoline, >=96.5% (GC)

    MilliporeSigma

    Synonym(s): α-Bromoquinaldine; 2-Quinolinylmethyl bromide Empirical Formula: C10H8BrN Linear Formula: C10H8BrN Formula Weight: 222.08 MDL Number: MFCD08062399 Purity: ≥96.5% (GC) Beilstein Registry Number: 115410

  • ALDRICH Bromoform-d, 99.5 atom % D, contains copper as stabilizer

    MilliporeSigma

    Synonym(s): Tribromomethane-d Empirical Formula: CDBr3 Linear Formula: CDBr3 Formula Weight: 253.74 MDL Number: MFCD00000129 Boiling Point: 136.5 °C(lit.) Density: 2.906 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.596(lit.)

  • (2-Butyl)triphenylphosphonium bromide, 96%

    Alfa Aesar

    Formula: C22H24BrP Formula weight: 399.32 Purity: 96% CAS Number: 3968-92-1 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Biphenyl, 99%

    Alfa Aesar

    Synonym(s): Diphenyl, Phenylbenzene Formula: C12H10 Formula weight: 154.21 Purity: 99% CAS Number: 92-52-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • ALDRICH 2-tert-Butyl-6-methyl-phenol, 99%

    MilliporeSigma

    Synonym(s): 6- tert -Butyl- o -cresol Empirical Formula: C11H16O Linear Formula: (CH3)3CC6H3(CH3)OH Formula Weight: 164.24 MDL Number: MFCD00002239 Purity: 99% Boiling Point: 230 °C(lit.) …

  • 2-Bromo-1-methyl-1H-imidazole, 0.95

    MilliporeSigma

    CAS Number: 16681-59-7 Formula: C4H5BrN2 Formula Weight: 161 Linear Formula: C4H5BrN2 MDL No.: MFCD02179525 Purity: 0.95 Boiling Point: 172 C(lit.) Density: 1.649 g/mL at 25 C(lit.) Refractive Index: n20/D 1.5440(lit.) UNSPSC Code: 12352100 Application: …

  • 4-Bromobenzoic acid, 98+%

    Alfa Aesar

    Formula: C7H5BrO2 Formula weight: 201.02 Purity: 98+% CAS Number: 586-76-5 Harmonized Tariff Code:  2916.39 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • ALDRICH 1,2,4,5-Benzenetetracarboxamide, 97%

    MilliporeSigma

    Synonym(s): Pyromellitamide Empirical Formula: C10H10N4O4 Linear Formula: C6H2(CONH2)4 Formula Weight: 250.21 MDL Number: MFCD00450905 Purity: 97% Melting Point: >300 °C(lit.)

  • 4'-tert-Butyl-2-chloroacetophenone, 97%

    Alfa Aesar

    Synonym(s): alpha-Chloro-4-tert-butylacetophenone, 4-tert-Butylphenacyl chloride Formula: C12H15ClO Formula weight: 210.71 Purity: 97% CAS Number: 21886-62-4 Harmonized Tariff Code:  2914.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation.…

  • ALDRICH 2-Bromo-5-fluorobenzoic acid, 96%

    MilliporeSigma

    Empirical Formula: C7H4BrFO2 Linear Formula: C6H3Br(F)COOH Formula Weight: 219.01 MDL Number: MFCD00142874 Purity: 96% Melting Point: 154-157 °C(lit.)

  • ALDRICH Bromotris(triphenylphosphine)copper(I), 98%

    MilliporeSigma

    Empirical Formula: C54H45BrP3Cu Linear Formula: C54H45BrP3Cu Formula Weight: 930.31 MDL Number: MFCD04118115 Purity: 98% Melting Point: 168-170 °C(lit.)

  • Bromoform, 97%, stab. with ca 3% ethanol

    Alfa Aesar

    Synonym(s): Tribromomethane Formula: CHBr3 Formula weight: 252.73 Purity: 97%, stab. with ca 3% ethanol CAS Number: 75-25-2 UN Number: UN2515 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.39 Hazard Statements: H331-H351-H302-H315-H319 Toxic if…

  • N-^a-Benzoyl-L-arginine, 99%

    Alfa Aesar

    Formula: C13H18N4O3 Formula weight: 278.31 Purity: 99% CAS Number: 154-92-7 Harmonized Tariff Code:  2925.29

  • Bradykinin

    Alfa Aesar

    Synonym(s): Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg-OH, BK Formula: C50H73N15O11 Formula weight: 1060.23 CAS Number: 58-82-2 Harmonized Tariff Code:  2933.99

  • BIS-TRIS, 0.2M buffer soln., pH 7.0

    Alfa Aesar

  • "Bis(1-butylpentyl)decane-1,10-diyl diglutarate, Selectophore™"

    MilliporeSigma

    Synonyms: 5,30-Dibutyl-6,12,23,29-tetraoxatetratriacontane-7,11,24,28-tetrane; ETH 469 Formula: C38H70O8 Formula Weight: 654.96 CAS No.: 101342-76-1 General description: Visit our Sensor Applications portal to learn more. Other Notes: Plasticizer…

  • ALDRICH [1,2-Bis(diphenylphosphino)ethane]dichlorocobalt(II)

    MilliporeSigma

    Synonym(s): Dichloro[ethylenebis[diphenylphosphine]]cobalt Empirical Formula: C26H24Cl2CoP2 Linear Formula: [(C6H5)2PCH2CH2P(C6H5)2]CoCl2 Formula…

  • ALDRICH Benzidine-(rings-d8), 98 atom % D

    MilliporeSigma

    Synonym(s): 4,4'-Diamino(biphenyl-d8) Empirical Formula: C12D8H4N2 Linear Formula: C12D8H4N2 Formula Weight: 192.29 MDL Number: MFCD00143662 Melting Point: 127-128 °C(lit.)

  • 3-Buten-2-ol

    MilliporeSigma

    analytical standard Synonym(s): Methyl vinyl carbinol Empirical Formula: C4H8O Formula Weight: 72.11 Linear Formula: CH2=CHCH(OH)CH3 MDL Number: MFCD00004543 Purity: ≥97.0% (GC) Boiling Point: 96-97 °C(lit.) …

  • 6-Bromo-2-naphthol, 97%

    Alfa Aesar

    Formula: C10H7BrO Formula weight: 223.08 Purity: 97% CAS Number: 15231-91-1 Harmonized Tariff Code:  2907.15 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Boc-4-tert-butyl-D-Phe-OH, >=98.0% (HPLC)

    MilliporeSigma

    CAS No.: 250611-12-2 Synonyms: Boc-4- tert -butyl-D-phenylalanine Formula: C18H27NO4 Formula Weight: 321.41 Linear Formula: C18H27NO4 MDL No.: MFCD02094579 Purity: ≥98.0% (HPLC)

  • Barium titanium oxide, 99.7% (metals basis)

    Alfa Aesar

    Synonym(s): Barium titanate Formula: BaTiO3 Formula weight: 233.19 Purity: 99.7% (metals basis) CAS Number: 12047-27-7 Harmonized Tariff Code:  2841.90 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if inhaled. Precautionary Statements: …

  • Benzyl phenyl sulfone, 98+%

    Alfa Aesar

    Formula: C13H12O2S Formula weight: 232.29 Purity: 98+% CAS Number: 3112-88-7 Harmonized Tariff Code:  2930.90

  • SIGMA B-Sitosterol >=70%

    MilliporeSigma

    Synonym(s): α-Dihydrofucosterol; 22,23-Dihydrostigmasterol; 24β-Ethylcholesterol; 5-Stigmasten-3β-ol Empirical Formula: C29H50O Linear Formula: C29H50O Formula Weight: 414.71 MDL Number: MFCD00003631 Purity: ≥70% …

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