Reagents, H

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  • SIGMA HEPES, =99.5% (titration)

    MilliporeSigma

    Synonyms: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid; N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) Formula: C8H18N2O4S Formula Weight: 238.30 CAS No.: 7365-45-9 Purity: ≥99.5% (titration) Protocols &…

  • Histopaque®-1077, sterile-filtered, density: 1.077 g/mL

    MilliporeSigma

    General Description A solution containing polysucrose and sodium diatrizoate, adjusted to a density of 1.077 g/mL. This medium facilitates the recovery of large numbers of viable mononuclear cells. Legal Information Histopaque is a registered trademark of Sigma-Aldrich Co. LLC

  • Heptane, anhydrous, 99%

    MilliporeSigma

    Formula: CH3(CH2)5CH3 Formula Weight: 100.20 CAS No.: 142-82-5 Purity: 99% Density: 0.684 g/mL at 25 °C(lit.) Other Notes: Pure-Pac ® II containers require the Micomatic MicroValve for dispensing solvents, Z560723. Legal…

  • L-Histidine, ReagentPlus®, =99% (TLC)

    MilliporeSigma

    Synonyms: ( S )-2-Amino-3-(4-imidazolyl)propionic acid Formula: C6H9N3O2 Formula Weight: 155.15 CAS No.: 71-00-1 Purity: ≥99% (TLC) Biochem/physiol Actions: Precursor of histamine by action of histidine decarboxylase. Legal…

  • Heptane, ReagentPlus®, 99%

    MilliporeSigma

    Formula: CH3(CH2)5CH3 Formula Weight: 100.20 CAS No.: 142-82-5 Purity: 99% Density: 0.684 g/mL at 25 °C(lit.) Other Notes: Pure-Pac ® II containers require the Micromatic MacroValve coupler for dispensing…

  • Hexane, HPLC Plus, for HPLC, GC, and residue analysis, >=95%

    MilliporeSigma

    Synonym(s): n -Hexane Empirical Formula: C6H14 Formula Weight: 86.18 Linear Formula: CH3(CH2)4CH3 MDL Number: MFCD00009520 Purity: ≥95% Boiling Point: 69 °C(lit.) Melting…

  • SIGMA Hypoxanthine, powder, BioReagent, suitable for cell culture

    MilliporeSigma

    Synonym(s): 6-Hydroxypurine Formula: C5H4N4O Formula Weight: 136.11 CAS No.: 68-94-0 Purity: ≥99% Application: Hypoxanthine is a nutrient additive for a variety of cell culture applications involving bacterial, parasite ( Plasmodium falciparum…

  • Hellmanex™ Special Cleaning Concentrate for cuvettes

    MilliporeSigma

    Application The optimal dilution (usually 0.5 to 2 vol-%) depends on several factors, such as the hardness of the water, the degree and type of contamination, the temperature, etc. The use of demineralised water improves the cleaning characteristics. An increase in temperature speeds up the…

  • SIGMA Hygromycin B from Streptomyces hygroscopicus, powder, BioReagent, suitable…

    MilliporeSigma

    Formula: C20H37N3O13 Formula Weight: 527.52 CAS No.: 31282-04-9 UN Number: UN3462 Purity: ≥60% (HPAE) Application: Use to study protein synthesis at the level of 70S ribosome translocation and mRNA template misreading. Use as a…

  • ALDRICH N-Hydroxysuccinimide, 98%

    MilliporeSigma

    Synonym(s): 1-Hydroxy-2,5-pyrrolidinedione; HOSu; NHS Formula: C4H5NO3 Formula Weight: 115.09 CAS No.: 6066-82-6 Purity: 98% Application: Additive used in the carbodiimide method for improved amidations and peptide couplings. Packaging: 25, 100,…

  • Hydrocortisone =98% (HPLC)

    MilliporeSigma

    Synonym: 11β,17α,21-Trihydroxypregn-4-ene-3,20-dione, 17-Hydroxycorticosterone, 4-Pregnene-11β,17α,21-triol-3,20-dione, Cortisol, Kendall’s compound F, Reichstein’s substance M CAS Number: 50-23-7 Empirical Formula (Hill Notation): …

  • ALDRICH 1,1,1,3,3,3-Hexafluoro-2-propanol, Greater Than or Equal to 99%

    MilliporeSigma

    Synonym(s): HFP; Hexafluoroisopropanol Formula: (CF3)2CHOH Formula Weight: 168.04 CAS No.: 920-66-1 UN Number: UN2922 Purity: ≥99% Density: 1.596g/mLat 25°C(lit.) Application: Fluorinated solvent which enhances the efficiency of…

  • Hexadecane, anhydrous, =99%

    MilliporeSigma

    Synonyms: Cetane Formula: CH3(CH2)14CH3 Formula Weight: 226.44 CAS No.: 544-76-3 Purity: ≥99% Density: 0.773 g/mL at 25 °C(lit.) Packaging: 1, 2 L in Sure/Seal™ Packaging: 100 mL in Sure/Seal™

  • Hydroxyurea 98%, powder

    MilliporeSigma

    Synonym(s): Hydroxycarbamide Empirical Formula: CH4N2O2 Linear Formula: NH2CONHOH Formula Weight: 76.05 MDL Number: MFCD00007943 Purity: 98% Storage: 2-8°C Beilstein Registry Number: 1741548

  • SIGMA Hexadecyltrimethylammonium bromide, for molecular biology, =99%

    MilliporeSigma

    Synonyms: CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide Formula: CH3(CH2)15N(Br)(CH3)3 Formula Weight: 364.45 CAS No.: 57-09-0 Purity: ≥99%

  • Hyaluronidase from bovine testes, Type IV-S, lyophilized powder (essentially…

    MilliporeSigma

    Synonym: Hyaluronate 4-glycanohydrolase, Hyaluronoglucosaminidase CAS Number: 37326-33-3 EC Number: 253-464-3 Enzyme Commission (EC) Number: 3.2.1.35 MDL Number: MFCD00131351 Biochem/physiol Actions Hyaluronidase degrades hyaluronan and has been found to be…

  • Hydrazine monohydrate, N2H4 64-65 %, reagent grade, 98%

    MilliporeSigma

    Synonyms: Hydrazinium hydroxide Formula: NH2NH2 · H2O Formula Weight: 50.06 CAS No.: 7803-57-8 Purity: 98% Density: 1.032 g/mL at 25 °C(lit.) Packaging: 2 kg in glass bottle Packaging: 5, 100, 500 g in glass bottle Included Fees: C991R94…

  • SIGMA holo-Transferrin human, powder, BioReagent, suitable for cell culture,…

    MilliporeSigma

    Synonym(s): Siderophilin, iron-saturated CAS No.: 11096-37-0 Purity: ≥97% Application: Transferrin is the primary iron binding and cell delivery molecule present in serum. Serum-free cell culture systems require a delivery format for iron. Transferrin is the preferential delivery…

  • SIGMA holo-Transferrin bovine, Iron-saturated, BioReagent, suitable for cell…

    MilliporeSigma

    Synonym(s): Siderophilin; Siderophilin, iron-saturated CAS No.: 11096-37-0 Purity: 97-100% (agarose gel electrophoresis) Application: Transferrin is the primary iron binding and cell delivery molecule present in serum. Serum-free cell culture systems require a delivery format for iron.…

  • ALDRICH Hypotaurine, Greater Than or Equal to 98% (TLC)

    MilliporeSigma

    Synonym(s): 2-Aminoethanesulfinic acid Formula: C2H7NO2S Formula Weight: 109.15 CAS No.: 300-84-5 Purity: ≥98% (TLC) Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or…

  • ALDRICH Hexamethylenediamine, 98%

    MilliporeSigma

    Synonym(s): 1,6-Diaminohexane; 1,6-Hexanediamine; HMDA Formula: NH2(CH2)6NH2 Formula Weight: 116.20 CAS No.: 124-09-4 UN Number: UN2280 Purity: 98% Density: 0.89g/mLat 25°C(lit.) Application: Reagent used to modify…

  • Hexamethylenetetramine, ReagentPlus®, 99%

    MilliporeSigma

    Synonyms: 1,3,5,7-Tetraazatricyclo[3.3.1.1 3,7 ]decane; Hexamine; Methenamine; Urotropine Formula: C6H12N4 Formula Weight: 140.19 CAS No.: 100-97-0 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC …

  • Methoxyamine hydrochloride 98%

    MilliporeSigma

    Synonyms: O-Methylhydroxylamine hydrochloride, Methoxylamine hydrochloride Formula: CH3ONH2 · HCl Molecular Weight: 83.52 CAS No.: 593-56-6 Beilstein Registry Number: 3589723 EC Number: 209-798-7 MDL number: MFCD00012951 PubChem Substance ID:…

  • SIGMA Hexammine cobalt(III) chloride for use in transformations

    MilliporeSigma

    Synonym(s): Cobalt hexammine trichloride; Hexaamminecobalt trichloride Empirical Formula: H18Cl3CoN6 Linear Formula: [Co(NH3)6]Cl3 Formula Weight: 267.48 MDL Number: MFCD00036304 Storage: room temp

  • SIGMA Hemoglobin from bovine blood lyophilized powder

    MilliporeSigma

    Synonym(s): Bovine hemoglobin; Hb; Methemoglobin MDL Number: MFCD00131282 Storage: 2-8°C

  • Histamine dihydrochloride =99% (TLC), powder

    MilliporeSigma

    Synonym: 2-(4-Imidazolyl)ethylamine dihydrochloride CAS Number: 56-92-8 Empirical Formula (Hill Notation): C5H9N3 · 2HCl Molecular Weight: 184.07 Beilstein Registry Number: 3624116 EC Number: 200-298-4 MDL Number: …

  • Hexadimethrine bromide =94% (titration)

    MilliporeSigma

    Synonym: 1,5-Dimethyl-1,5-diazaundecamethylene polymethobromide, Polybrene CAS Number: 28728-55-4 MDL Number: MFCD00133397 Application Hexadimethrine bromide can be used to transfect mammalian cells with DNA. It can be used to increase the efficiency of lipofection transfections.

  • 2-Heptanone =98%, FCC, FG

    MilliporeSigma

    Synonym: Methyl pentyl ketone CAS Number: 110-43-0 Linear Formula: CH3(CH2)4COCH3 Molecular Weight: 114.19 Beilstein Registry Number: 1699063 Council of Europe Number: 136 EC Number: 203-767-1 FEMA Number: 2544 …

  • SIGMA Hexadecyltrimethylammonium bromide, BioXtra, =99%

    MilliporeSigma

    Synonyms: CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide Formula: CH3(CH2)15N(Br)(CH3)3 Formula Weight: 364.45 CAS No.: 57-09-0 Purity: ≥99%

  • 6-Hydroxydopamine hydrochloride >97% (titration), powder

    MilliporeSigma

    Synonym(s): 2,4,5-Trihydroxyphenethylamine hydrochloride; 2,5-Dihydroxytyramine hydrochloride; 2-(2,4,5-Trihydroxyphenyl)ethylamine hydrochloride; 6-OHDA Empirical Formula: C8H11NO3 -+ HCl Linear Formula: …

  • SIGMA 5-Hydroxy-L-tryptophan powder

    MilliporeSigma

    Synonym(s): L-2-Amino-3-(5-hydroxyindolyl)propionic acid; L-5-HTP Empirical Formula: C11H12N2O3 Linear Formula: C11H12N2O3 Formula Weight: 220.22 MDL Number: MFCD00064341 Storage: 2-8°C

  • SIGMA Heparin ammonium salt from porcine intestinal mucosa >=140 USP units/mg

    MilliporeSigma

    MDL Number: MFCD00131295

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