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

United States Pharmacopeia (USP) Reference Standard Synonym(s): 2-Allyl-4-pentenoic acid; Diallylacetic acid Empirical Formula: C₈H₁₂O₂ Formula Weight: 140.18 Linear Formula: C₈H₁₂O₂

United States Pharmacopeia (USP) Reference Standard Synonym(s): N -(1-Oxobutyl)- N -[[2'-(2 H -tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine; ( S )- N -Butyryl- N -{[2'-(1- H -tetrazole-5-yl)-biphenyl-4-yl]methyl}valine Empirical Formula: …

Synonym(s): 3-Ethenyl(bicyclo[4.2.0]-octa-1,3,5-triene); VBCB Empirical Formula: C₁₀H₁₀ Linear Formula: C₁₀H₁₀ Formula Weight: 130.19 MDL Number: MFCD09834065 Purity: 97% Density: 0.962 g/mL at 25 °C Refractive…

Synonym(s): 4-Hydroxy-3-methoxybenzoic acid Empirical Formula: C₈H₈O₄ Linear Formula: HOC₆H₃(OCH₃)CO₂H Formula Weight: 168.15 MDL Number: MFCD00002551 Purity: 97% Melting Point: …

The Vent Filter is designed to protect highly sensitive stored pure water from possible contaminants in the environment. These include carbon dioxide, particles, micro-organisms and volatile organic compounds that mainly come from the laboratory atmosphere. When carbon dioxide dissolves in water,…

V₂O₅ CAS#: 1314-62-1 F.W.: 181.90

Harmonized Tariff Code:  3822.00

Designed for fast, nondenaturing concentration of biological samples by membrane ultrafiltration. Up to 30-fold concentration of the sample can be achieved with recovery of the target molecule typically exceeding 95%.Vivaspin® sample concentrators are designed for fast, nondenaturing concentration…

Vanillin, NF, 500 g . All Spectrum Chemical NF grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP).

Synonyms: Vancomycin hydrochloride Formula: C₆₆H₇₅Cl₂N₉O₂₄ · xHCl Formula Weight: 1449.25 (free base basis) CAS No.: 1404-93-9 Storage Temperature: 2-8°C Application: An antibiotic supplement recommended by ISO Committee for…

VIP® Gold for Listeria is a single-step visual immunoassay for the detection of Listeria in food and environmental samples. The test is intended for use by laboratory personnel with appropriate microbiology training. Storage: room temp Application: AOAC Official Method 997.03, AOAC…

Synonym(s): Pentanoic acid hydrazide Formula: CH3(CH2)3CONHNH2 Formula weight: 116.16 Purity: 95% CAS Number: 38291-82-6 Harmonized Tariff Code:  2928.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

Synonym(s): ( R )-α-Aminoisovaleric acid; D-2-Amino-3-methylbutanoic acid Formula: (CH₃)₂CHCH(NH₂)CO₂H Formula Weight: 117.15 CAS No.: 640-68-6 Purity: ≥98% Packaging: 5 g in glass bottle

for microbiology Synonym(s): VRBG-Agar

The product contains vitamin A acetate (approximately 21%) finely dispersed in a starch-coated matrix of gelatin (approximately 60%), sucrose (approximately 14%) and corn starch (approximately 5%). BHT and BHA are added as antioxidants. Vitamin A Acetate induces cell differentiation and inhibits…

Formula: C6H6N2 Formula weight: 106.13 Purity: 98%, stab. with ca 0.1% hydroquinone CAS Number: 4177-16-6 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin…

Synonym(s): 4-Hydroxy-3-methoxybenzaldehyde; Vanillic aldehyde Empirical Formula: C₈H₈O₃ Linear Formula: 4-(HO)C₆H₃-3-(OCH₃)CHO Formula Weight: 152.15 MDL Number: MFCD00006942 Purity: ≥97% Boiling Point: …

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

Synonym(s): DL-alpha-Tocopheryl acetate Formula: C31H52O3 Formula weight: 472.76 Purity: 97% CAS Number: 7695-91-2 Harmonized Tariff Code:  2936.28

Synonym(s): MGC70609; VEGF; VEGF-A; VPF; Vascular endothelial growth factor A; Vascular permeability factor Purity: ≥98% (SDS-PAGE) Storage: −20°C

Synonym(s): Trimethoxyvinylsilane Formula: C5H12O3Si Formula weight: 148.24 Purity: 98% CAS Number: 2768-02-7 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H318-H226-H332-H335-H315 Causes serious eye damage.…

Formula: CH₃(CH₂)₁₀COOCH=CH₂ Formula Weight: 226.36 CAS No.: 2146-71-6 Purity: ≥99.0% (GC) Density: 0.871g/mLat 20°C(lit.) Packaging: 250 mL in glass bottle

Synonym(s): ( R )-3,4-Epoxy-1-butene Formula: C₄H₆O Formula Weight: 70.09 CAS No.: 62249-81-4 UN Number: UN1993 Purity: ≥95.0% (sum of enantiomers, GC) Density: 0.870g/mLat 20°C(lit.) Other Notes: Used to prepare stereodiversified scaffolds…

Synonym(s): 4-Aminostyrene Empirical Formula: C₈H₉N Linear Formula: H₂C=CHC₆H₄NH₂ Formula Weight: 119.16 MDL Number: MFCD00015329 Purity: 97% Boiling Point: 213-214 °C(lit.) Density: …

L-Valine, USP, JP, bioCERTIFIED (TM), 12 kg  is an amino acid, a chemical building block that makes proteins, and is bioCERTIFIED™ for biopharmaceutical production and for cell culture. L-Valine, USP, JP, bioCERTIFIED™ products are manufactured, packaged and stored under current…

Synonym(s): 1-(2-Furyl)-1-pentanone, 2-Pentanoylfuran Formula: C9H12O2 Formula weight: 152.20 Purity: 97% CAS Number: 3194-17-0 Harmonized Tariff Code:  2932.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

Viridiflorol belongs to the class of aromadendrene sesquiterpenoids, isolated from the leaves of Salvia officinalis and detected in leaves of Salvia triloba. Synonyms: (1aR,4S,4aS,7R,7aS)-1,1,4,7-Tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-ol;…

Synonyms: Vildagliptin; (2S)-1-[[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidinecarbonitrile; LAF-237; NVP-LAF237; (S)-1-(((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)glycyl)pyrrolidine-2-carbonitrile Molecular Formula: C17H25N3O2 Molecular Weight: 303.4 Linear Structural…