Chemicals Reagents F

Ficoll 400 is a highly branched polymer formed by the copolymerization of sucrose and epichlorohydrin. Ficoll 400 is completely non-ionic. Because of the abundance of hydroxyl groups, Ficoll 400 is very hydrophilic and extremely water-soluble. The most common application for Ficoll 400 is as a...

Empirical Formula: C₁₃D₁₀ Linear Formula: C₁₃D₁₀ Formula Weight: 176.28 MDL Number: MFCD00144313 Purity: 99% (CP) Melting Point: 115-118 °C(lit.)

Synonym(s): Acid Yellow 73; D&C;Yellow No. 8; NaFl; NaFluo; Sodium fluorescein; Uranine Empirical Formula: C₂₀H₁₀Na₂O₅ Linear Formula: C₂₀H₁₀Na₂O₅ Formula Weight: 376.27 MDL Number: MFCD00167039 Beilstein...

Refractive Index: n 20/D 1.400

Empirical Formula: C₁₃H₁₃NO₄S Linear Formula: C₁₃H₁₃NO₄S Formula Weight: 279.31 MDL Number: MFCD00043164 Purity: ≥95.0% Melting Point: ~95 °C Beilstein Registry Number: 5695963

Synonym(s): 2-Cyano-6-fluoropyridine Empirical Formula: C₆H₃FN₂ Linear Formula: C₆H₃FN₂ Formula Weight: 122.10 MDL Number: MFCD09263323 Purity: 95% Melting Point: 31-35 °C

Fluorescent nanodiamond (nitrogen vacancy ~3 ppm NV centers, 140 nm avg. part. size, carboxylic acid functionalized, PEG 3000 coated, 1 mg/mL in deionized water), a biocompatible carbon-based nanomaterial, has interesting properties like excellent photostability, low toxic and facile surface...

Synonym(s): 4-Carboxybenzaldehyde; Benzaldehyde-4-carboxylic acid; Terephthalaldehydic acid Empirical Formula: C₈H₆O₃ Linear Formula: HO₂CC₆H₄CHO Formula Weight: 150.13 MDL Number: MFCD00006951 Purity: 97% Melting Point:...

Synonym(s): Fmoc-3-(9-anthryl)-L-alanine Empirical Formula: C₃₂H₂₅NO₄ Linear Formula: C₃₂H₂₅NO₄ Formula Weight: 487.55 MDL Number: MFCD00671381 Purity: ≥95.0% (HPLC) Storage: 2-8°C

European Pharmacopoeia (EP) Reference Standard Synonym(s): (2 S ,4 R )-4-Cyclohexyl-1-[[( R )-[(1 S )-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic acid Empirical Formula: C₃₀H₄₆NO₇P Formula Weight: 563.66 Linear Formula:...

Synonym(s): 6-Fluoro-3-formylchromone Empirical Formula: C₁₀H₅FO₃ Linear Formula: C₁₀H₅FO₃ Formula Weight: 192.14 MDL Number: MFCD00139060 Purity: 97% Melting Point: 155-160 °C(lit.)

CAS Number: 13537-32-1 Formula: H2FO3P Formula Weight: 99.99 Linear Formula: FP(O)(OH)2 MDL No.: MFCD00011334 Density: 1.83 g/mL at 25 C UNSPSC Code: 12352300 Other Notes: Contains H3PO4 and varying amounts of other hydrolysis products

European Pharmacopoeia (EP) Reference Standard

Empirical Formula: C₇H₅FO Linear Formula: FC₆H₄CHO Formula Weight: 124.11 MDL Number: MFCD00003348 Purity: 97% Boiling Point: 66-68 °C/20 mmHg(lit.) Density: 1.17 g/mL at 25 °C(lit.) Refractive Index: n 20/D...

Formula: C₁₂H₄Cl₂F₆N₄OS Formula Weight: 437.15 CAS No.: 120068-37-3 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

Formaldehyde is a naturally occurring organic compound with the formula CH2O and structure H-CHO. The pure compound is a pungent, colorless gas that polymerises spontaneously into paraformaldehyde, hence it is stored as an aqueous solution, which is also used to store animal specimens.

Formula: FeSO₄ 7H₂O Formula Weight: 278.02 CAS Number: 7782-63-0 Synonym(s): Iron(II) sulfate, heptahydrate

This 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: (+)-Limacine; 7-O-Demethyltetrandine;...

Synonyms: α-Cyano-3-phenoxybenzyl α-(4-chlorophenyl)­iso­valerate Formula: C₂₅H₂₂ClNO₃ Formula Weight: 419.90 CAS No.: 51630-58-1 Biochem/physiol Actions: Type II pyrethroid. Potent inhibitor of calcineurin (protein phosphatase 2B). Legal Information:...

≥95% (HPLC) Synonym(s): Fura-2 pentakis(acetoxymethyl) ester Empirical Formula: C₄₄H₄₇N₃O₂₄ Formula Weight: 1001.85 Linear Formula: C₄₄H₄₇N₃O₂₄ MDL Number: MFCD00036976 Purity: ≥95% (HPLC)...

CAS No.: 147762-53-6 Synonyms: N _α-Fmoc- O -phospho-L-tyrosine Formula: C₂₄H₂₂NO₈P Formula Weight: 483.41 Linear Formula: C₂₄H₂₂NO₈P MDL No.: MFCD00235902 Purity: ≥95.0% (HPLC)

Synonym(s): Heptyl fluoride Empirical Formula: C₇H₁₅F Linear Formula: CH₃(CH₂)₆F Formula Weight: 118.19 MDL Number: MFCD00013581 Purity: 98% Boiling Point: 119.2 °C/750 mmHg(lit.) Density: 0.806 g/mL at...

Synonym(s): 2-Furaldehyde; Furan-2-carboxaldehyde Empirical Formula: C₅H₄O₂ Linear Formula: C₅H₄O₂ Formula Weight: 96.08 MDL Number: MFCD00003229 Purity: ≥98% Boiling Point: 162 °C(lit.) Melting Point:...

Molecular Formula: C23H25NO4 Molecular Weight: 379.45 Linear Structural Formula: C23H25NO4 MDL Number: MFCD00671676 Other Notes: Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not collect analytical...