Reagents, V

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Reagents, V

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  • Reagent Set, Volatile Acids

    Hach

    Includes: Ethylene Glycol, Ferric Chloride-Sulfuric Acid Solution, Hydroxylamine Hydrochloride Solution, 100-g/L, Sodium Hydroxide standard solution, 4.5 N Sulfuric Acid Standard Solution, 19.2 N, Water Method: Esterification Range: up to 2800 mg/L 90 tests

  • SIGMA Vancomycin hydrochloride from Streptomyces orientalis BioReagent, suitable…

    MilliporeSigma

    Empirical Formula: C66H75Cl2N9O24 -+ HCl Linear Formula: C66H75Cl2N9O24 -+ HCl Formula Weight: 1485.71 Storage: 2-8°C Beilstein Registry Number: 3704657

  • Vitamin B12

    MP Biomedicals

    Vitamin B12 (cobalamin) refers to a group of chemically-related cobalt containing molecules involved in cell processes such as DNA synthesis, fatty acid synthesis, energy production and regulation. The physiologically active forms of vitamin B12 include methylcobalamin and adenosylcobalamin,…

  • Vitamin B12, =98%

    MilliporeSigma

    Synonym: α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin, Cyanocobalamin CAS Number: 68-19-9 Empirical Formula (Hill Notation): C63H88CoN14O14P Molecular Weight: 1355.37 Beilstein Registry Number:…

  • SIGMA Viscozyme® L cellulolytic enzyme mixture

    MilliporeSigma

    Synonym(s): Cell Wall Degrading Enzyme Complex from Aspergillus sp.; Lysing Enzyme from Aspergillus sp. MDL Number: MFCD03101941 Density: ~1.2 g/mL at 25 °C(lit.) Storage: 2-8°C

  • ALDRICH Vanadium(V) oxide, Greater Than or Equal to 98%

    MilliporeSigma

    Synonym(s): Divanadium pentaoxide; Divanadium pentoxide; Pentaoxodivanadium; Vandia Formula: V2O5 Formula Weight: 181.88 CAS No.: 1314-62-1 UN Number: UN2862 Purity: ≥98% Density: 3.35g/mLat 25°C(lit.) Application: Selective ammoxidation…

  • Vanadium Standard

    Ultra Scientific

    1 Analyte(s) @ 10,000 µg/mL in water with dilute nitric and trace HF acids

  • SUPELCO Valco™ Precision Sampling syringe, Magnum series

    MilliporeSigma

    removable needle, volume 500 mL

  • SIGMA L-Valine, from non-animal source, meets EP, JP, USP testing specifications…

    MilliporeSigma

    Synonyms: ( S )-α-Aminoisovaleric acid; L-2-Amino-3-methylbutanoic acid Formula: (CH3)2CHCH(NH2)CO2H Formula Weight: 117.15 CAS No.: 72-18-4 Purity: 98.5-101.0% Packaging: 10 mg in autosample vial

  • Volatile Acids TNTplus Reagent Set

    Hach

    For determination of Volatile Acids by the Esterification method, using TNTplus™ vials. Hach Method 10240. Range: 50 - 2500 mg/L as Acetic Acid. 25 tests. Simple test allows quick process control - No need for titrations or involved water bath digestion. Reduce Errors with Bar-coded…

  • Vanillin, ReagentPlus®, 99%

    MilliporeSigma

    Synonyms: 4-Hydroxy-3-methoxybenzaldehyde Formula: 4-(HO)C6H3-3-(OCH3)CHO Formula Weight: 152.15 CAS No.: 121-33-5 Purity: 99% Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view…

  • ALDRICH (R)-(-)-VAPOL hydrogenphosphate,

    MilliporeSigma

    Synonym(s): ( R )-2,2′-Diphenyl-3,3′-biphenanthryl-4,4′-diyl phosphate; ( R )-VAPOL phosphoric acid; 18-Hydroxy-8,9-diphenyl-diphenanthro[4,3- d :3′,4′- f ][1,3,2]dioxaphosphepin-18-oxide Formula: C40H25O4P Formula Weight: 600.60…

  • Violet Red Bile Agar

    BD

    For selective isolation of coliform bacteria from dairy products and food.

  • Violet Red Bile Agar, Granulated

    MilliporeSigma

    For the detection and enumeration of coliform bacteria including E. coli in water, milk, ice cream, meat and other foodstuffs. Synonym(s): VRB Agar Typical Composition (g/L): Peptone from meat 7.0; yeast extract 3.0; sodium chloride 5.0; lactose 10.0; neutral red 0.03; bile salt mixture 1.5;…

  • SIGMA Venor™ GeM Mycoplasma Detection Kit, PCR-based,

    MilliporeSigma

    Application: Kit employs PCR technology for rapid and reliable detection of mycoplasma DNA in cell cultures and virus stocks. Components: Positive Control 1 vial; Negative Control 1 vial; PCR 10X Reaction Buffer 1 vial; Primer/Nucleotide Mix 1 vial. Does not include Taq Polymerase. Optimized…

  • Volumetric Reagent, Single Solution 2

    GFS Chemicals

    For volumetric analysis. Suitable for general purpose or aldehydes and ketones.

  • Vanadium(III) chloride 97%

    MilliporeSigma

    CAS Number: 7718-98-1 Linear Formula: VCl3 Molecular Weight: 157.30 EC Number: 231-744-6 MDL Number: MFCD00011454 PubChem Substance ID: 24852503 Packaging 1, 5, 25, 100 g in glass bottle

  • Viscosity Bath Media

    MilliporeSigma

    White Oil for use 40 to 80 °C

  • Viscosity Bath Media

    MilliporeSigma

    White Oil for use 80 to 120 °C

  • Vanadium Pentoxide Reagent

    GFS Chemicals

    Air dried grade specially adapted for the determination of n-butyl-lithium. P.F. Collins, C.W. Kamienski, D.L. Esmay and R.B. Ellestad, ANAL.CHEM., 33,468 (1961)

  • ALDRICH Vinylphosphonic acid, 97%

    MilliporeSigma

    Empirical Formula: C2H5O3P Linear Formula: CH2=CHP(O)(OH)2 Formula Weight: 108.03 MDL Number: MFCD00043866 Purity: 97% Melting Point: 36 °C (Lit. dry VPA)(lit.) Density: 1.37 g/mL at…

  • Vasopressin, 98+%

    Alfa Aesar

    Synonym(s): Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2, AVP peptide Formula: C46H65N15O12S2 Formula weight: 1084.24 Purity: 98+% CAS Number: 11000-17-2 Harmonized Tariff Code:  2937.19

  • SIGMA Valeryl Salicylate >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 2-Valeryloxybenzoic acid; Valerylsalicylic acid; vsa Empirical Formula: C12H14O4 Linear Formula: C12H14O4 Formula Weight: 222.24 MDL Number: MFCD00041466 Purity: ≥98% (HPLC) Melting Point: 86-87 °C(lit.)

  • SUPELCO Vinyl chloride in nitrogen

    MilliporeSigma

    1 ppm, cylinder of 14 L, analytical standard RIDADR: UN 1066 2.2

  • "Vanadate-molybdate reagent, p.a., for phosphate determination"

    MilliporeSigma

    Synonyms: VM reagent Density: 1.15 g/mL at 20 °C Other Notes: Reagent, suitable for eliminating interfering effects by phosphate and silicate in the AAS determination of Ca and Mg 1, 2

  • ALDRICH Vanillyl alcohol, >=98%

    MilliporeSigma

    Synonym(s): 4-Hydroxy-3-methoxybenzyl alcohol; Vanillyl alcohol Empirical Formula: C8H10O3 Linear Formula: HOC6H3(OCH3)CH2OH Formula Weight: 154.16 MDL Number: MFCD00004659 Purity: ≥98% Melting…

  • SIGMA Vitamins Kit ~98% (Components, TLC)

    MilliporeSigma

    Purity: ~98% (Components, TLC) Storage: −20°C

  • Vanderzant Modification Vitamin Mixture for Insects

    MP Biomedicals

    Cell Culture, Insect, Kits and Mixes, Serum-free Media, Vitamins

  • Violet Red Bile Glucose Agar

    MilliporeSigma

    for microbiology Synonym(s): VRBG-Agar

  • Valsartan

    MilliporeSigma

    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): Valsartan; N -(1-Oxopentyl)- N -[[2'-(2 H -tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine Empirical Formula: C24H29N5O3 Formula Weight: 435.52 Linear Formula: …

  • 4-Vinylpyridine contains 100 ppm hydroquinone as inhibitor, 95%

    MilliporeSigma

    CAS Number: 100-43-6 Empirical Formula (Hill Notation): C7H7N Molecular Weight: 105.14 Beilstein Registry Number: 104506 EC Number: 202-852-0 MDL Number: MFCD00006447 PubChem Substance ID: 24900739 Application Polymerization…

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