Chemicals Reagents V
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Vitamin B12
MP BiomedicalsVitamin 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,…
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Vinylsulfone-PEG5K-Vinylsulfone average Mn 5,000
MilliporeSigmaVinylsulfone PEG Vinylsulfone. Sulfhydryl reactive PEG crosslinker. Synonyms: Vinylsulfone-PEG-Vinylsulfone; VS-PEG-VS Linear Structural Formula: CH2CHSOOCH2CH2O(CH2CH2O)nCH2CH2SOOCHCH2 Storage: -20C Application: Applications may include: bioconjugation, drug delivery, PEG hydrogel,…
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Vanillyl alcohol analytical standard
MilliporeSigmaVanillyl alcohol belongs to the phenolic group of compounds which are widely used as oxidants in food products. Synonyms: 4-Hydroxy-3-methoxybenzyl alcohol; NSC 3993; Vanillyl alcohol Molecular Formula: C8H10O3 Molecular Weight: 154.16 Linear Structural Formula: HOC6H3(OCH3)CH2OH …
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Vinyltriphenylphosphonium bromide, 97%
Thermo Scientific ChemicalsSynonym(s): Schweizer's Reagent, Triphenylvinylphosphonium bromide Formula: CH2=CHP(C5H5)3Br Formula weight: 369.25 Purity: 97% CAS Number: 5044-52-0 Harmonized Tariff Code: 2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…
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Valeric acid
MilliporeSigmaanalytical standard Synonym(s): n -Valeric acid; Pentanoic acid Empirical Formula: C5H10O2 Formula Weight: 102.13 Linear Formula: CH3(CH2)3COOH MDL Number: MFCD00004413 Purity: ≥99.8% (GC) Boiling Point: …
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VOC-Pak(R) Polisher is designed to purify ultrapure water for the analysis of volatile organic compounds (VOCs) in GC and GC-MS. The polisher is made up of activated carbon specifically designed for the effective removal of VOCs from ultrapure water. This unit is an excellent choice for scientists…
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This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and…
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Verapamil hydrochloride
MilliporeSigmaEuropean Pharmacopoeia (EP) Reference Standard Synonym(s): (±)-Verapamil hydrochloride; 5-[ N -(3,4-Dimethoxyphenylethyl)methylamino]-2-(3,4-dimethoxyphenyl)-2-isopropylvaleronitrile hydrochloride Empirical Formula: C27H38N2O4 -+ HCl …
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Valerenic acid phyproof(R) Reference Substance
MilliporeSigmaThis substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: …
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Vanadium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, 99.8% (metals basis…
Thermo Scientific ChemicalsPurity: 99.8% (metals basis) CAS Number: 7440-62-2 Harmonized Tariff Code: 8112.99
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Vasopressin, 98+%
Thermo Scientific ChemicalsSynonym(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
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Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Other Notes: This Certified Reference Material (CRM) is produced and certified in…
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Vicenin 2, primary pharmaceutical reference standard
MilliporeSigmaCAS No.: 23666-13-9 Synonyms: 6,8-Di-C-β-D-glucopyranosylapigenin; Apigenin 6,8-C-di-β-D-glucopyranoside; Apigenin 6,8-diglucoside Formula: C27H30O15 Formula Weight: 594.52 Linear Formula: C27H30O15 MDL No.: MFCD08458851
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SIGMA Vincristine sulfate salt 95.0-105.0% (HPLC), powder
MilliporeSigmaSynonym(s): 22-Oxovincaleukoblastine sulfate salt; Leurocristine sulfate salt; VCR Empirical Formula: C46H56N4O10 -+ H2SO4 Linear Formula: C46H56N4O10 -+ H2SO4 …
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Formula: (CH3)2CHCH(NH2)COOC(CH3)3 · HCl Formula Weight: 209.71 CAS No.: 13518-40-6 Purity: ≥99.0% Packaging: 5 g in glass bottle
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Visikol(R) HISTO(TM) Starter Kit
MilliporeSigmaWith the Visikol HISTO tissue clearing approach you are now able to rapidly and easily image tissues in 3D without damaging the underlying cellular morphology. The Visikol HISTO approach has been designed to pair with immunolabeling and is reversible so that 3D histology can be followed up with…
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Synonyms: ChromoSelect Vancomycine Resistant Enterococci Agar Base Storage: 2-8C Application: VRE ChromoSelect Agar Base is recommended for identification of Vancomycin resistant Enterococci from clinical specimens. Legal Information: NutriSelect is a registered trademark of Merck…
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Synonym(s): Acetoxyethylene Formula: CH3CO2CH=CH2 Formula Weight: 86.09 CAS No.: 108-05-4 UN Number: UN1301 Purity: ≥99% Density: 0.934g/mLat 25°C(lit.) Storage: 2-8°C Packaging: 1, 2, 2.5 L in glass bottle
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1-Vinylimidazole, 99%
Thermo Scientific ChemicalsFormula: C5H6N2 Formula weight: 94.12 Purity: 99% CAS Number: 1072-63-5 UN Number: UN3267 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2933.29 Hazard Statements: H301-H314-H318-H227 Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious…
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This Vent Filter, redesigned for seamless integration, provides improved protection of stored pure water against airborne contaminants such as CO2, organic compounds, particles and micro-organisms. When the tank is emptied of water, air entering the system passes through the vent filter. This…
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Viresolve(R) Pro Modus 1.1
MilliporeSigmaDevice Configuration: Modus 1.1 Device Synonyms: Viresolve(R) Pro Modus 1.1 Device Legal Information: VIRESOLVE is a registered trademark of Merck KGaA, Darmstadt, Germany Other Notes: These products are manufactured in a facility which adheres to FDA Good Manufacturing Practices.
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SUPELCO Valco™ Precision Sampling syringe, Magnum series
MilliporeSigmaremovable needle, volume 500 mL
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Vancomycin hydrochloride
MilliporeSigmaEuropean Pharmacopoeia (EP) Reference Standard Empirical Formula: C66H75Cl2N9O24 -+ xHCl Formula Weight: 1449.25 (free base basis) Linear Formula: C66H75Cl2N9O24 -+ xHCl
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UN Number: UN3316
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Vitamin K1 solution 10 mug/mL in ethanol
MilliporeSigmaVitamin K1 (phylloquinone) is a fat-soluble vitamin that serves as a cofactor for vitamin K-dependent (VKD) proteins and enzymes which activate blood-clotting factors. Vitamin K1 is critical to many physiological processes including bone metabolism, arterial calcification, growth control, and…
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Vitronectin, Human Purified Protein
MilliporeSigmaVitronectin (S-protein) is a multi-functional plasma and extracellular matrix protein with defined activity in cell adhesion, thrombosis, complement activation, fibrinolysis, inflammation, and platelet adhesion. Vitronectin binds to other macromolecules and participates in regulatory circuits to…
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VH298 >=98% (HPLC)
MilliporeSigmaSynonyms: (2S,4R)-1-((S)-2-(1-Cyanocyclopropanecarboxamido)-3,3-dimethylbutanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide Molecular Formula: C27H33N5O4S Molecular Weight: 523.65 Linear Structural Formula: C27H33N5O4S Purity: >=98% (HPLC) Storage: …
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VX-680 >=98% (HPLC)
MilliporeSigmaSynonyms: MK 0457; MK-0457; MK0457; N-[4-[[4-(4-Methyl-1-piperazinyl)-6-[(5-methyl-1H-pyrazol-3-yl)amino]-2-pyrimidinyl]thio]phenyl]cyclopropanecarboxamide; Tozasertib; VX 680; VX680 Molecular Formula: C23H28N8OS Molecular Weight: 464.59 Linear Structural Formula: C23H28N8OS MDL…
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Vinyl sulfone-PEG3500-Vinyl sulfone
MilliporeSigmaStorage: -20C Application: Activated PEG derivatives can be used to modify peptides, proteins, or in other bioconjugation applications. PEGylated materials have found broad use in drug delivery systems, virology, and immunology, as the incorporation of PEG improves pharmacological properties…