Reagents, V

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Reagents, V

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  • Review: Vitamin A metabolism. Retinal, retinol and retinoic acid are the aldehyde, alcohol and acid forms of vitamin A. The retinoids exist as many geometric isomers due to the unsaturated bonds in the aliphatic chain. Retinoids also exist as retinyl esters such as retinyl propionate, retinyl…

  • Vanillin, 99%

    Alfa Aesar

    Synonym(s): 4-Hydroxy-3-methoxybenzaldehyde Formula: C8H8O3 Formula weight: 152.15 Purity: 99% CAS Number: 121-33-5 Harmonized Tariff Code:  2912.41 Risk Phrases: 20/22 Harmful by inhalation and if swallowed. Safety Phrases: 9-36-60 Keep container in a well ventilated place.…

  • Synonym(s): 3-Butenoic acid Formula: C4H6O2 Formula weight: 86.09 Purity: 96% CAS Number: 625-38-7 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.19 Hazard Statements: H314-H318-H227 Causes severe skin burns and eye damage. Causes…

  • Synonym(s): Vanadium dioxide Empirical Formula: O4V2 Linear Formula: V2O4 Formula Weight: 165.88 MDL Number: MFCD00011456 Purity: 99.9% trace metals basis Density: 4.339 g/mL at 25 °C(lit.)

  • Synonym(s): Arpamyl Formula: C27H38N2O4 HCl Formula weight: 491.07 Purity: 99+% CAS Number: 152-11-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H301-H311-H331 Toxic if swallowed. Toxic in contact with skin.…

  • Intact Genomics proprietary FastAmp® Viral/Cell Solution can be utilized for saliva/swab samples resulting in viral/cell lysis, and significantly simplifying this process. This solution streamlines viral specimen collection and viral RNA preparation processes including sample collection,…

  • Riboflavin (Vitamin B2)


  • 1-Vinylimidazole, >=99%


    CAS Number: 1072-63-5 Formula: C5H6N2 Formula Weight: 94.11 Linear Formula: C5H6N2 MDL No.: MFCD00005297 Purity: >=99% Boiling Point: 192-194 C(lit.); 78-79 C/13 mmHg(lit.) Density: 1.039 g/mL at 25 C(lit.) Refractive Index: n20/D 1.533(lit.) Beilstein Registry Number: …

  • Synonym(s): Serum-spreading factor; V75; VTN Purity: ≥95% (HPLC); ≥95% (SDS-PAGE) Storage: −20°C

  • Synonyms: Basic Blue 11 CI 44040  Purity Limit: Dye content: ≥ 80% CAS No.: 2185-86-6 Molecular Formula: C29H32N3Cl Molecular Weight: 458.05 MDL No.: MFCD00011876 Appearance: Dark-blue powder Storage Temperature: Store at RT

  • Vitamin B12


  • Synonym(s): ( ar -Vinylbenzyl)trimethylammonium chloride Empirical Formula: C12H18ClN Linear Formula: H2C=CHC6H4CH2N(CH3)3Cl Formula Weight: 211.73 MDL Number: MFCD00080690 Purity: 99% Melting…

  • Vanadium AA Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in water with dilute nitric acid and trace hydrofluoric acid

  • Formula: CH3CH2CH2COOCH=CH2 Formula Weight: 114.14 CAS No.: 123-20-6 UN Number: UN2838 Purity: ≥99.0% (GC) Density: 0.899g/mLat 20°C Storage: 2-8°C Packaging: 5, 25 mL in glass bottle

  • European Pharmacopoeia (EP) Reference Standard Synonym(s): Valerenic acid; (2 E )-3-[(4 S ,7 R ,7a R )-2,4,5,6,7,7a-Hexadydro-3,7-dimethyl- 1 H -inden-4-yl]-2-methyl-2-propenoic acid Empirical Formula: C15H22O2 Formula Weight: 234.33 Linear Formula: …

  • Viscosity Bath Media


    Silicone Fluid 10 cSt at 25 °C for use 40 to 100 °C

  • 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;…

  • 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…

  • UN Number: UN3316

  • Synonyms: 5-[ N -(3,4-Dimethoxyphenylethyl)methylamino]-2-(3,4-dimethoxyphenyl)-2-isopropylvaleronitrile hydrochloride Formula: …

  • CAS Number: 100-43-6 Formula: C7H7N Formula Weight: 105.14 Linear Formula: C7H7N MDL No.: MFCD00006447 Purity: 0.95 Boiling Point: 62-65 C/15 mmHg(lit.) Density: 0.975 g/mL at 25 C(lit.) Refractive Index: n20/D 1.549(lit.) Storage: -20C Beilstein Registry Number: …

  • Vanillin


    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): 4-Hydroxy-3-methoxybenzaldehyde; Vanillic aldehyde Empirical Formula: C8H8O3 Formula Weight: 152.15 Linear Formula: 4-(HO)C6H3-3-(OCH3)CHO MDL…

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

  • removable needle, volume 500 mL

  • Vitamin B12, FCC

    Spectrum Chemical

    Grade: FCC CAS No.: 68-19-9

  • Viscosity Bath Media


    Silicone Fluid 20 cSt at 25 °C for use 60 to 110 °C

  • Viscosity Bath Media


    Silicone Fluid 100 cSt at 25 °C for use 120 to 150 °C

  • Viscosity Bath Media


    Silicone Fluid 50 cSt at 25 °C for use 90 to 120 °C

  • pH: Solubility: (20°C) soluble Boiling Point: >100°C (1013 hPa) Vapor Pressure: Density: 1.15 g/cm3 (20°C)

  • 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

  • 50 ppm, cylinder of 14 L, analytical standard RIDADR: UN 1956 2.2

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