Chemicals Reagents V

Flow control valve can help in manipulating flow through each tube by rotating individual screw-valves built into the cover. Synonyms: V.M.FLOW CONTROL VALVES 2/PK Legal Information: Visiprep is a trademark of Sigma-Aldrich Co. LLC

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

Empirical Formula: C₁₂H₂₂O₂ Linear Formula: C₉H₁₉CO₂CH=CH₂ Formula Weight: 198.30 Boiling Point: 60-216 °C(lit.) Density: 0.882 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.436(lit.)

Synonym(s): Pentanal Empirical Formula: C₅H₁₀O Linear Formula: CH₃(CH₂)₃CHO Formula Weight: 86.13 MDL Number: MFCD00007026 Purity: ≥97% Boiling Point: 102-103 °C(lit.) Melting Point: −92 °C(lit.) Density:...

Violaxanthins are natural pigmented constituents or carotenoids present in most fruits and vegetables. Synonyms: (3S,3'S,5R,5'R,6S,6'S)-5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-beta,beta-carotene-3,3'-diol Molecular Formula: C40H56O4 Molecular Weight: 600.87 Linear Structural Formula: C40H56O4 Purity:...

Valganciclovir Hydrochloride is the L-valyl ester of ganciclovir and an antiviral drug, widely used to treat cytomegalovirus infections.Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective...

Synonym(s): (3S)-N-[(1S)-5-Amino-1-[[(2,2-diphenylethyl)amino]carbonyl]pentyl]-2-(1,4-dioxo-4-phenylbutyl)-1,2,3,4-tetrahydro-3-isoquinolinecarboxamide Empirical Formula: C₄₀H₄₄N₄O₄ Linear Formula: C₄₀H₄₄N₄O₄...

Harmonized Tariff Code: 3822.00

Synonyms: Pentanoic anhydride CAS Number: 2082-59-9 Formula: C10H18O3 Formula Weight: 186.25 Linear Formula: [CH3(CH2)3CO]2O MDL No.: MFCD00009477 Purity: 0.97 Boiling Point: 228-230 C(lit.) Melting Point: -56 C (lit.) Density: 0.944 g/mL at 20 C(lit.) Refractive Index: n20/D 1.421(lit.) Beilstein...

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 or download in...

for microbiology Synonym(s): VJ Agar

United States Pharmacopeia (USP) Reference Standard

analytical standard Synonym(s): 4-Ethenyl-1-cyclohexene; NSC 15760 Empirical Formula: C₈H₁₂ Formula Weight: 108.18 Linear Formula: C₆H₉CH=CH₂ MDL Number: MFCD00001576 Purity: ≥99.5% (GC) Boiling Point: 126-127 °C(lit.) Melting...

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...

analytical standard Synonym(s): Basic Blue 7 Empirical Formula: C₃₃H₄₀ClN₃ Formula Weight: 514.14 Linear Formula: C₃₃H₄₀ClN₃ MDL Number: MFCD00011877 Purity: ≥95.0% (HPLC)

Synonym(s): 2-ethyl-3-methyl-pentanamide; Axiquel; Nirvanil Empirical Formula: C₈H₁₇NO Linear Formula: C₈H₁₇NO Formula Weight: 143.23 MDL Number: MFCD00868184 Purity: ≥98% (non-aqueous titration) Storage: room temp

for microbiology

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. Synonyms: RapidCheck Blank 0 CFU Legal Information: Vitroids is a trademark of Sigma-Aldrich...

Synonyms: Bromoethylene CAS Number: 593-60-2 Formula: C2H3Br Formula Weight: 106.95 Linear Formula: CH2=CHBr MDL No.: MFCD00000183 Density: 0.927 g/mL at 25 C Storage: 2-8C Beilstein Registry Number: 1361370 UNSPSC Code: 12162002

CAS No.: 72-18-4 pH: 5.5 - 6.5 (100 g/l, H2O, 20°C) Solubility: 85 g/l (20°C) Melting Point: 315°C Molar Mass: 117.15 g/mol Bulk Density: 400 kg/m3 Density: 1.23 g/cm3 (20°C)

Synonym(s): Acetoxyethylene Empirical Formula: C₄H₆O₂ Linear Formula: CH₃CO₂CH=CH₂ Formula Weight: 86.09 MDL Number: MFCD00008713 Purity: ≥99% Boiling Point: 72-73 °C(lit.) Melting Point:...

Storage: 2-8C Legal Information: TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC Other Notes: This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate...

Storage: −196°C