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  • FLUKA Hydrogen Sulfide Test Strips, for microbiology

    Sigma-Aldrich

    Synonyms: H2S test strips; Lead acetate test strips Storage Temperature: 2-8°C General description: These strips are used for detection of hydrogen sulfide production by microorganisms. Hydrogen sulfide can be produced in small amounts from sulfur containing amino acids like…

  • Hellmanex™ Special Cleaning Concentrate for cuvettes

    Sigma-Aldrich

    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 HEPES, Biotechnology Performance Certified, =99.5% (titration), cell…

    Sigma-Aldrich

    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) Other Notes: Easily…

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

    Sigma-Aldrich

    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

  • SIGMA HEPES, =99.5% (titration)

    Sigma-Aldrich

    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 &…

  • ALDRICH 2-Hydroxypyrazine, 97%

    Sigma-Aldrich

    Synonym(s): 2-(1 H )-Pyrazinone Formula: C4H4N2O Formula Weight: 96.09 CAS No.: 6270-63-9 Purity: 97% Packaging: 1 g in glass bottle

  • Hydrazine, anhydrous, 98%

    Sigma-Aldrich

    Formula: NH2NH2 Formula Weight: 32.05 CAS No.: 302-01-2 Purity: 98% Density: 1.021 g/mL at 25 °C(lit.) Packaging: 1 kg in Sure/Seal™ Packaging: 50, 100, 500 g in Sure/Seal™ Included Fees: C991U45 has a Small Barrier Pack Fee included in the price.…

  • FLUKA Hexadecyltrimethylammonium bromide, =96.0% (AT)

    Sigma-Aldrich

    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: ≥96.0% (AT) Other Notes: Titrant for the…

  • FLUKA HYDRANAL®-Formamide dry, Solvent for KF titration

    Sigma-Aldrich

    Synonyms: Formamide; Amide C1; Formic amide Formula: HCONH2 Formula Weight: 45.04 CAS No.: 75-12-7 Density: 1.134 g/mL at 25 °C(lit.) Application: Formamide destabilizes nucleic acid duplexes and may be used, typically, at a concentration of 50%, in…

  • FLUKA Human coagulation factor VIII concentrate

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard

  • FLUKA Hexamethyldisilazane

    Sigma-Aldrich

    for GC derivatization Synonym(s): BSTFA; Chlorotrimethylsilane; HMDS; TMCS; acetic anhydride; hexamethyldisilazane; HMDS Empirical Formula: C6H19NSi2 Formula Weight: 161.39 Linear Formula: (CH3)3SiNHSi(CH3)3

  • FLUKA Hesperetin,

    Sigma-Aldrich

    Synonyms: 3′,5,7-Trihydroxy-4′-methoxyflavanone; 5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-chromanone Formula: C16H14O6 Formula Weight: 302.28 CAS No.: 69097-99-0 Storage Temperature: 2-8°C Biochem/physiol Actions: Dietary flavanone…

  • SIAL Hexane, mixture of isomers

    Sigma-Aldrich

    CHROMASOLV ® , for HPLC, ≥98.5% Synonym(s): Hexanes; Isohexane Empirical Formula: C6H14 Formula Weight: 86.18 Linear Formula: C6H14 MDL Number: MFCD02179311 Purity: ≥98.5% Boiling Point: …

  • SIGMA Hexadecyltrimethylammonium bromide >=98%

    Sigma-Aldrich

    Synonym(s): CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide Empirical Formula: C19H42BrN Linear Formula: CH3(CH2)15N(Br)(CH3)3 Formula Weight: 364.45 MDL Number: …

  • SIGMA HEPES BioPerformance Certified, >=99.5% (titration), cell culture tested

    Sigma-Aldrich

    Synonym(s): 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid; N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid) Empirical Formula: C8H18N2O4S Linear Formula: C8H18N2O4S Formula Weight: 238.30 …

  • Hexadecane, anhydrous, =99%

    Sigma-Aldrich

    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™

  • FLUKA Histamine

    Sigma-Aldrich

    analytical standard Synonym(s): 2-(4-Imidazolyl)ethylamine Empirical Formula: C5H9N3 Formula Weight: 111.15 Linear Formula: C5H9N3 MDL Number: MFCD00005210 Purity: ≥97.0% (TLC); ≥97.0% (anhydrous basis,…

  • SIGMA Hyaluronidase from bovine testes, Type IV-S, powder, mouse embryo tested,…

    Sigma-Aldrich

    Synonym(s): Hyaluronate 4-glycanohydrolase; Hyaluronoglucosaminidase CAS No.: 37326-33-3 Application: Hyaluronidase is an enzyme derived from bovine testes. It is used to remove the cumulus mass from newly ovulated eggs, when preparing the eggs for in vitro culture. Reconstitute 1 vial of…

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

    Sigma-Aldrich

    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%

  • (Z)-4-Hydroxytamoxifen =98% Z Isomer

    Sigma-Aldrich

    Synonym: (Z)-4-OHT, (Z)-4-(1-[4-(Dimethylaminoethoxy)phenyl]-2-phenyl-1-butenyl)phenol, trans-4-Hydroxytamoxifen CAS No.: 68047-06-3 Empirical Formula (Hill Notation): C26H29NO2 Molecular Weight: 387.51 4-Hydroxytamoxifen is the active metabolite of…

  • ALDRICH O-(Carboxymethyl)hydroxylamine hemihydrochloride, 98%

    Sigma-Aldrich

    Synonym(s): (Aminooxy)acetic acid hemihydrochloride; (Carboxymethoxy)amine hemihydrochloride; Hydroxylamine- O -acetic acid hemihydrochloride Formula: NH2OCH2COOH · 0.5HCl Formula Weight: 109.30 CAS No.: 2921-14-4 Purity: 98% Application: Undergoes…

  • FLUKA Hanus solution

    Sigma-Aldrich

    volumetric, 0.1 M IBr Synonym(s): Iodine bromide solution; Iodine according to Hanus for the iodine value determination Empirical Formula: BrI Formula Weight: 206.81 Linear Formula: BrI MDL Number: MFCD00011353 Beilstein Registry Number: 3587194 RIDADR: UN 2789 8/PG 2

  • Desipramine hydrochloride

    Sigma-Aldrich

    =98% (TLC), powder CAS Number : 58-28-6 Empirical Formula: (Hill Notation) C18H22N2 HCl Molecular Weight: 302.84 EC Number: 200-373-1 MDL number: MFCD00058108 PubChem Substance ID: 24278094 Caution Hygroscopic Biochem/physiol Actions Tricyclic antidepressant…

  • SIGMA Hanks' Balanced Salts, Modified, without calcium chloride, magnesium…

    Sigma-Aldrich

    Application: The pH is adjusted after addition of sodium bicarbonate. Calcium and magnesium support cell adhesion. Recommended for suspension cultures or whenever cell clumping is a problem. Other Notes: The pH is adjusted after addition of sodium bicarbonate. Storage: 2-8°C

  • ALDRICH Hexylamine, 99%

    Sigma-Aldrich

    Synonym(s): 1-Aminohexane Formula: CH3(CH2)5NH2 Formula Weight: 101.19 CAS No.: 111-26-2 UN Number: UN2734 Purity: 99% Density: 0.766g/mLat 25°C(lit.) Packaging: 5, 100 mL in glass bottle Included Fees: C984T58 has a Small…

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

    Sigma-Aldrich

    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…

  • FLUKA HYDRANAL®-Coulomat AG-Oven, reagent for coulometric KF titration with oven…

    Sigma-Aldrich

    Application: To be used with: see related products General description: Visit our HYDRANAL center to learn more. Legal Information: HYDRANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • FLUKA HYDRANAL®-Methanol Rapid, reagent for accelerated volumetric one-component…

    Sigma-Aldrich

    Application: To be used with: see related products General description: Visit our HYDRANAL center to learn more. Protocols & Applications: Water Determination in Chocolate and Cocoa Legal Information: HYDRANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • SIGMA Homovanillic acid Fluorimetric reagent

    Sigma-Aldrich

    Synonym(s): 4-Hydroxy-3-methoxyphenylacetic acid; HVA Empirical Formula: C9H10O4 Linear Formula: HOC6H3(OCH3)CH2CO2H Formula Weight: 182.17 MDL Number: MFCD00004350 Melting Point: 142-145…

  • FLUKA Hexadecyltrimethylammonium bromide

    Sigma-Aldrich

    analytical standard Synonym(s): CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide Empirical Formula: C19H42BrN Formula Weight: 364.45 Linear Formula: …

  • Hydrogen Peroxide Solution, 30 % (w/w) in H2O, Contains Stabilizer

    Sigma-Aldrich

    CAS Number: 7722-84-1 Empirical Formula (Hill Notation): H2O2 Molecular Weight: 34.01 Packaging: 5, 100, 500 mL in poly bottle Application Used to prepare solutions for induction of apoptosis. ~60% of HL60 cells were apoptotic after exposure to 15 µM…

  • Hydrochloric Acid

    Sigma-Aldrich

    ACS reagent, 37% CAS Number: 7647-01-01 Empirical Formula (Hill Notation): HCI Molecular Weight: 36.46 Packaging: 2.5, 6x2.5 L in PVC coated Packaging: 500, 6x500 mL in PVC coated Included Fees: C986X16 has a Large Can Fee included in the price. …

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