Chemicals Reagents B

Chemicals Reagents B

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  • SIGMA B-Estradiol-d2 98 atom % D

    Synonym(s): 1,3,5(10)-Estratriene-2,4-d2-3,17β-diol Empirical Formula: C18H22D2O2 Linear Formula: C18H22D2O2 Formula Weight: 274.39 MDL Number: MFCD00079179

  • SIGMA Bathophenanthrolinedisulfonic acid disodium salt hydrate >=95%

    Synonym(s): 4,7-Diphenyl-1,10-phenanthroline disulfonic acid disodium salt hydrate; 4,7-Diphenyl-1,10-phenanthrolinedisulfonic acid Empirical Formula: C24H14N2Na2O6S2 -+ xH2O Linear Formula:...

  • ALDRICH 4-(Boc-amino)butyl bromide, technical, Greater Than or Equal to 90% (AT)

    Synonym(s): tert -Butyl N -(4-bromobutyl)carbamate Formula: Br(CH2)4NHCO2C(CH3)3 Formula Weight: 252.15 CAS No.: 164365-88-2 Purity: ≥90% (AT) Other Notes: Building block for the synthesis of natural products and biologically active...

  • 3-Bromotoluene

    Spectrum Chemical

    CAS No.: 591-17-3 UN No.: UN1993 Class: 3 Pkg. Group: PG III

  • ALDRICH 2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene, 97%

    Synonym(s): (±)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthalene; (±)-BINAP; [1,1′-Binaphthalene]-2,2′-diylbis[diphenylphosphine] Formula: [(C6H5)2PC10H6-]2 Formula Weight: 622.67 CAS No.:...

  • ALDRICH 2-Bromo-2-methylpropane-d9, 98 atom % D

    Synonym(s): tert -Butyl bromide-d9 Empirical Formula: C4D9Br Linear Formula: (CD3)3CBr Formula Weight: 146.07 MDL Number: MFCD00190390 Boiling Point: 72-74 °C(lit.) Melting Point: -20 °C(lit.) Density:...

  • ALDRICH 4-Biphenylboronic acid, >=95.0%

    Empirical Formula: C12H11BO2 Linear Formula: C6H5C6H4B(OH)2 Formula Weight: 198.03 MDL Number: MFCD00093311 Purity: ≥95.0% Melting Point: 232-245 °C(lit.)

  • ALDRICH Benzenesulfonyl chloride, 99%

    Formula: C6H5SO2Cl Formula Weight: 176.62 CAS No.: 98-09-9 UN Number: UN2225 Purity: 99% Density: 1.384g/mLat 25°C(lit.) Application: Useful reagent for preparing α-disulfones. Packaging: 5, 100, 500 g in glass bottle

  • Boron trifluoride diethyl etherate, for synthesis

    Synonyms: Boron trifluoride ethyl etherate CAS Number: 109-63-7 Formula: BF3 · C4H10O Formula Weight: 141.93 Linear Formula: BF3 · O(C2H5)2 MDL No.: MFCD00013194 Boiling Point: 126-129 C(lit.) Melting Point: -58 C (lit.) Density: 1.15 g/mL(lit.) Refractive Index: n20/D 1.344(lit.) Storage: 2-8C...

  • (S)-(-)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde 95%

    Synonym: (-)- N -Boc- N , O -isopropylidene-L-serinal, tert -Butyl (S)-(-)-4-formyl-2,2-dimethyl-3-oxazolidinecarboxylate, Garner’s aldehyde Empirical Formula (Hill Notation): C11H19NO4 Molecular Weight: 229.27 Beilstein Registry Number: 3591324 MDL Number:...

  • SIAL Boric acid

    MilliporeSigma

    ACS reagent, ≥99.5% Synonym(s): Amino Acid Sequence: Empirical Formula: H3BO3 Formula Weight: 61.83 Linear Formula: H3BO3 MDL Number: MFCD00011337 Purity: ≥99.5% Boiling Point: Melting Point: 160 °C (dec.)(lit.) Density:...

  • 4-(Benzyloxy)benzyl chloride, 97%

    CAS No.: 836-42-0 Synonyms: 4-Chloromethyl-α-phenylanisole Formula: C14H13ClO Formula Weight: 232.71 Linear Formula: C6H5CH2OC6H4CH2Cl MDL No.: MFCD00000916 Purity: 0.97 Melting Point:...

  • SIAL Barium nitrate

    Honeywell Research Chemicals

    puriss. p.a., ACS reagent, ≥99%, ≥52% Ba basis Empirical Formula: BaN2O6 Formula Weight: 261.34 Linear Formula: Ba(NO3)2 MDL Number: MFCD00003442 Purity: ≥52% Ba basis; ≥99% Melting Point: 592 °C (dec.)(lit.) RTECS No.: CQ9625000...

  • Brucine, Anhydrous

    Spectrum Chemical

    CAS No.: 357-57-3 UN No.: UN1570 Class: 6.1 Pkg. Group: PG I

  • Biotin-SP-AffiniPure Fab Fragment Goat Anti-Rat IgG (H+L)

    Fab fragment antibodies are generated by papain digestion of whole IgG antibodies to remove the entire Fc portion, including the hinge region. These antibodies are monovalent, containing only a single antigen binding site. The molecular weight of Fab fragments is about 50 kDa. Based on...

  • ALDRICH 4-Bromoindole, 96%

    Empirical Formula: C8H6BrN Linear Formula: C8H6BrN Formula Weight: 196.04 MDL Number: MFCD00671502 Purity: 96% Boiling Point: 283-285 °C(lit.) Density: 1.563 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.655(lit.)

  • B-Gentiobiose >=85% (remainder primarily a-anomer)

    Synonym(s): 6-O-β-D-Glucopyranosyl-D-glucose; Amygdalose Empirical Formula: C12H22O11 Linear Formula: C12H22O11 Formula Weight: 342.30 MDL Number: MFCD00198056 Purity: ≥85% (remainder primarily α-anomer) Beilstein...

  • BrettPhos Pd G4

    MilliporeSigma

    BrettPhos Pd G4 is an N-substituted 2-aminobiphenylpalladium methanesulfonate precatalyst. It is a fourth generation (G4) Buchwald precatalyst that is similar to the third generation (G3) precatalysts except that the amino group on the biphenyl backbone is methylated. This modification helps to...

  • SIGMA 143B

    MilliporeSigma

    Storage: −196°C

  • BICINE, 99%

    Thermo Scientific Chemicals

    Synonym(s): N,N-Bis(2-hydroxyethyl)glycine Formula: C6H13NO4 Formula weight: 163.17 Purity: 99% CAS Number: 150-25-4 Harmonized Tariff Code: 2922.50

  • ALDRICH Boc-Lys(Fmoc)-OH, >=99.0% (sum of enantiomers, TLC)

    Synonym(s): N α-Boc- N ε-Fmoc-L-lysine Empirical Formula: C26H32N2O6 Linear Formula: C26H32N2O6 Formula Weight: 468.54 MDL Number: MFCD00062032 Purity: ≥99.0% (sum of...

  • (-)-Bilobalide

    MilliporeSigma

    analytical standard Synonym(s): Bilobalide Empirical Formula: C15H18O8 Formula Weight: 326.30 Linear Formula: C15H18O8 MDL Number: MFCD00132880 Purity: ≥96.0% (GC) Storage: 2-8°C RTECS No.: LV1665000

  • Bisphenol A (3-chloro-2-hydroxypropyl) glycidyl ether

    analytical standard Synonym(s): 2-[4-(3-Chloro-2-hydroxypropyloxy)pheny]-2-[4-(glycidyloxy)phenyl]propane; BADGE-HCl Empirical Formula: C21H25ClO4 Formula Weight: 376.87 Linear Formula: C21H25ClO4 MDL Number: MFCD10567366 Purity:...

  • Bottle Bismuth Sulfite Agar 500G

    Description: For selective isolation of Salmonella, particularly Salmonella typhi, from food and clinical specimens BD products are intended for sale/shipment within the US only. International customers should contact their local BD distributor to place orders for BD products.

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