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Reagents, V

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  • 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…

  • SIGMA Vitamin K1 BioXtra, >=99.0% (sum of isomers, HPLC), mixtur of isomers

    Sigma-Aldrich

    Synonym(s): 2-Methyl-3-phytyl-1,4-naphthoquinone; 3-Phytylmenadione; Phylloquinone; Vitamin K1(20) Empirical Formula: C31H46O2 Linear Formula: C31H46O2 Formula Weight: 450.70 MDL Number: MFCD00214063 Purity:…

  • ALDRICH Valerophenone, 99%

    Sigma-Aldrich

    Synonym(s): Butyl phenyl ketone Formula: C6H5CO(CH2)3CH3 Formula Weight: 162.23 CAS No.: 1009-14-9 Purity: 99% Density: 0.975g/mLat 20°C(lit.) Packaging: 10, 25, 100 g in glass bottle

  • Valerophenone, 99%

    Alfa Aesar

    Synonym(s): n-Butyl phenyl ketone, Pentanophenone Formula: C11H14O Formula weight: 162.23 Purity: 99% CAS Number: 1009-14-9 Harmonized Tariff Code:  2914.39

  • Riboflavin (Vitamin B2)

    EMD Millipore

  • Thiamine, Hydrochloride

    EMD Millipore

  • ALDRICH Vanadium(IV) oxide sulfate hydrate, 97%

    Sigma-Aldrich

    Synonym(s): Vanadyl sulfate hydrate Empirical Formula: O5SV -+ xH2O Linear Formula: VOSO4 -+ xH2O Formula Weight: 163.00 (anhydrous basis) MDL Number: MFCD00149933 Purity: 97% Melting Point: 105 °C(lit.) Included Fees: …

  • Vanadate-Molybdate Reagent

    Ricca Chemical

    For Phosphorus Analysis Formula: Mixture  

  • Vitamin B12, 98+% (dry wt basis)

    Alfa Aesar

    Synonym(s): Cyanocobalamine Formula: C63H88CoN14O14P Formula weight: 1355.38 Purity: 98+% (dry wt basis) CAS Number: 68-19-9 Harmonized Tariff Code:  2936.26

  • Vanadium Pentoxide, 99.995%

    GFS Chemicals

    V2O5 CAS#: 1314-62-1 F.W.: 181.90

  • SIGMA Variamine blue B salt for microscopy (Hist.)

    Sigma-Aldrich

    Synonym(s): 4-Amino-4'-methoxydiphenylamine-diazonium chloride; Diazo-4-amino-4'-methoxy-diphenylamine Empirical Formula: C13H12ClN3O Linear Formula: C13H12ClN3O Formula Weight: 261.71 MDL Number: MFCD00031684

  • SIGMA Vancomycin hydrochloride from Streptomyces orientalis potency: >=900 µg…

    Sigma-Aldrich

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

  • Vancomycin HCl

    ACTGene, Inc.

    Vancomycin is a glycopeptide antibiotic. It excerts its action by inhibiting the formation of the peptidoglycan polymers of the bacterial cell wall. Unlike penicillins that act primarily to prevent the crosslinking of peptidoglycans that give the cell its strength, vancomycin prevents the transfer…

  • SIGMA Vancomycin hydrochloride from Streptomyces orientalis potency: >=900 µg…

    Sigma-Aldrich

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

  • FLUKA Vegitone; Casein Soya Broth

    Sigma-Aldrich

    for microbiology Synonym(s): CASO Broth, Vegitone; TSB, Vegitone; Tryptic Soy Broth, Animal-Free; Tryptic Soy Broth, Vegitone; Tryptone Soya Broth; Vegitone Tryptic Soy Broth; Vegitone; Soybean Casein digest Broth, Vegitone

  • Vanadate-Molybdate Reagent For Determination Of Phosphate

    EMD Millipore

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

  • Vincristine sulfate, 98+%

    Alfa Aesar

    Formula: C46H58N4O14S Formula weight: 923.04 Purity: 98+% CAS Number: 2068-78-2 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2939.99 Hazard Statements: H360-H341 May damage fertility or the unborn child. Suspected of causing genetic…

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

    Sigma-Aldrich

    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

  • FLUKA Viscosity Bath Media

    Sigma-Aldrich

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

  • Vanadium(V) oxide, 99.2%

    Alfa Aesar

    Synonym(s): Vanadic acid anhydride, Vanadium pentoxide Formula: V2O5 Formula weight: 181.88 Purity: 99.2% CAS Number: 1314-62-1 UN Number: UN2862 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2825.30 Hazard Statements: H372-H341-H361-H302-H332-H335 …

  • Violet Red Bile Agar

    BD

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

  • SIAL Vacuum grease

    Sigma-Aldrich

    Synonym(s): Grease for vacuum lines; Stopcock grease

  • Vanadium(III) chloride, 99% (metals basis)

    Alfa Aesar

    Synonym(s): Vanadium trichloride Formula: VCl3 Formula weight: 157.30 Purity: 99% (metals basis) CAS Number: 7718-98-1 UN Number: UN2475 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2827.39 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes…

  • SIGMA Valspodar >=98% (HPLC)

    Sigma-Aldrich

    Synonym(s): 6-[(2S,4R,6E)-4-Methyl-2-(methylamino)-3-oxo-6-octenoic acid]cyclosporin D; Amdray; PSC833; [3'-Desoxy-3'-oxo-MeBmt]1-[Val]2-cyclosporin Empirical Formula: C63H111N11O12 Linear Formula: …

  • Violet Red Bile Agar, Granulated

    EMD Millipore

    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 Vitamin K1 viscous liquid

    Sigma-Aldrich

    Synonym(s): 2-Methyl-3-phytyl-1,4-naphthoquinone; 3-Phytylmenadione; Phylloquinone; Vitamin K1(20) Empirical Formula: C31H46O2 Linear Formula: C31H46O2 Formula Weight: 450.70 MDL Number: MFCD00214063 Melting…

  • L-Valine, U.S.P., Multi-Compendial

    Avantor - J.T.Baker®

    Formula: C5H11NO2 Formula Weight: 117.15 CAS Number: 72-18-4

  • ALDRICH Vanadium(IV) oxide, 99.9% trace metals basis

    Sigma-Aldrich

    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.)

  • 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.…

  • SIGMA Vitamin B12a >=96% (UV), >=96% (HPLC)

    Sigma-Aldrich

    Synonym(s): α-(5,6-Dimethylbenzimidazolyl)hydroxocobamide hydrochloride; Aquocobalamin chloride; Hydroxocobalamine hydrochloride; OH-Cbl HCl Empirical Formula: C62H90ClCoN13O15P Linear Formula: …

  • Vaseline®, meets analytical specification of Ph. Eur.

    Sigma-Aldrich

    Synonyms: Petrolatum CAS No.: 8009-03-8 Legal Information: Vaseline is a registered trademark of Unilever Supply Chain, Inc.

  • Vitamin A palmitate, 1.7 M.I.U./g

    Alfa Aesar

    Synonym(s): Retinyl palmitate, Retinol palmitate Formula: C36H60O2 Formula weight: 524.87 CAS Number: 79-81-2 Harmonized Tariff Code:  2936.21 Hazard Statements: H361 Suspected of damaging fertility or the unborn child. Precautionary Statements: …

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