Chemicals Reagents L

L-isoleucine is an essential amino acid that is synthesized from threonine. It is a branched-chain hydrophobic amino acid. L-isoleucine is an isomer of L-leucine. Synonyms: SILAC Amino Acid; (2S,3S)-2-Amino-3-methylpentanoic acid-13C6,15N; 13C and 15N Labeled L-isoleucine Molecular Formula:...

Formula: C4H6O6 Formula weight: 150.09 Purity: 99% CAS Number: 87-69-4 Harmonized Tariff Code: 2918.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a...

Synonym(s): β-Benzyl L-aspartate; L-Aspartic acid 4-benzyl ester Empirical Formula: C₁₁H₁₃NO₄ Linear Formula: C₆H₅CH₂OCOCH₂CH(NH₂)COOH Formula Weight: 223.23 MDL Number: MFCD00037208 Storage:...

for microbiology Storage: 2-8°C

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: 4',7-Dihydroxyflavanone 4'-glucoside;...

analytical standard, 100 μg/mL in methanol Empirical Formula: C₁₂H₂₂O Formula Weight: 182.30 Linear Formula: C₁₂H₂₂O RIDADR: UN 1230 3/PG 2

Empirical Formula: C₁₇H₂₆O₁₂ Linear Formula: C₁₇H₂₆O₁₂ Formula Weight: 422.38 MDL Number: MFCD22417334 Purity: ≥95% (LC/MS-ELSD) Storage: −20°C

PharmaGrade products are manufactured under appropriate controls for use as a raw material in pharma or biopharmaceutical production. For more information on the PharmaGrade Program, visit sigma-aldrich.com/safc-pharmagrade. Synonyms: L-Cystine dihydrochloride Molecular Formula: C6H12N2O4S2 · 2HCl...

European Pharmacopoeia (EP) Reference Standard Synonym(s): 4-O-β-D-Galactopyranosyl-D-gluconic acid Empirical Formula: C₁₂H₂₂O₁₂ Formula Weight: 358.30 Linear Formula: C₁₂H₂₂O₁₂ MDL Number: MFCD00078147 Melting Point:...

Formula: LiCl Formula Weight: 42.39 CAS Number: 7447-41-8

Synonym(s): L-Phenylalanine-carboxy- 13 C Empirical Formula: 13 CC₈H₁₁NO₂ Linear Formula: C₆H₅CH₂CH(NH₂) 13 CO₂H Formula Weight: 166.18 MDL Number: MFCD00084036 Melting Point: 270-275 °C (dec.)(lit.)

European Pharmacopoeia (EP) Reference Standard Synonym(s): 3,4-Dihydroxy-L-phenylalanine; 3-(3,4-Dihydroxyphenyl)-L-alanine; L-3-Hydroxytyrosine; L-DOPA; Levodopa Empirical Formula: C₉H₁₁NO₄ Formula Weight: 197.19 Linear Formula:...

Synonym(s): (S)-2-Amino-3-phenylpropionic acid, H-Phe-OH Formula: C9H11NO2 Formula weight: 165.19 Purity: 99% CAS Number: 63-91-2 Harmonized Tariff Code: 2922.49

Synonym(s): Galactomannan polysaccharide; Gum, locust bean; Manno-galactan (main component) MDL Number: MFCD00131257

Formula: Mixture Formula Weight: N/A Description: Typical Composition (g/L): Peptone from meat 10.0; meat extract 5.0; sodium chloride 5.0; soya lecithin 0.7; peptone from casein 5.0; peptone from meat 10.0; yeast extract 2.0; sodium hydrogen sulfite 0.1. Also to be added: Polysorbate 80 (Tween ; 80

Synonym(s): tert -Butyl peroxybenzoate; tert -Butyl perbenzoate Formula: C₆H₅COOOC(CH₃)₃ Formula Weight: 194.23 CAS No.: 614-45-9 UN Number: UN3103 Purity: 98% Density: 1.021g/mLat 25°C(lit.) Application: Polymerization and cross-linking catalyst....

Leupeptin is an organic compound produced by actinomycetes, serine and cysteine proteases reversibly. Inhibits trypsin-like proteases and some cysteine proteases including endoproteinase Lys-C, Kallikrein, papain, thrombin, cathepsin B and trypsin. MW:426.56 s 49.04 . 18.02 {C20H36N6O4 . 1/2H2SO4 ....

Synonym(s): H-His-OH.HCl.H2O Formula: C6H9N3O2 HCl H2O Formula weight: 209.63 (191.62anhy) Purity: 99% CAS Number: 5934-29-2 Harmonized Tariff Code: 2933.29

CAS No.: 18598-63-5

Synonym(s): ( S )-α-Amino-β-[1-(3-hydroxy-4-oxopyridine)]propionic acid; Leucenol Empirical Formula: C₈H₁₀N₂O₄ Linear Formula: C₈H₁₀N₂O₄ Formula Weight: 198.18 MDL Number: MFCD00075909 Purity:...

CAS No.: 5328-37-0 Formula: C₅H₁₀O₅ Formula Weight: 150.13 Linear Formula: C₅H₁₀O₅ MDL No.: MFCD00135866 Purity: ≥99.5% (sum of enantiomers, HPLC) Melting Point: 155-158 °C; 160-163 °C(lit.)

CAS No.: 108-48-5 Synonyms: 2,6-Dimethylpyridine Formula: C₇H₉N Formula Weight: 107.15 Linear Formula: C₇H₉N MDL No.: MFCD00006345 Purity: ≥99.7% (GC) Boiling Point: 143-145 °C(lit.) Melting Point: −6 °C(lit.) Flash...

Grade: FCC CAS No.: 5794-13-8

Synonyms: Lynx(R) S2S Male Couplings, non-sterile 1/2 inch Application: Secure connections between sterilized fluid paths Legal Information: LYNX is a registered trademark of Merck KGaA, Darmstadt, Germany