Chemicals Reagents B

High Purity Electronic Chemicals

Storage: −196°C

Empirical Formula: C₁₂H₂₂N₂O₅ Linear Formula: C₁₂H₂₂N₂O₅ Formula Weight: 274.31 MDL Number: MFCD26142782 Purity: 95% Melting Point: 109-113 °C Storage: 2-8°C

Synonym(s): 1,4-Dimercaptobutane; Tetramethylene dimercaptan Empirical Formula: C₄H₁₀S₂ Linear Formula: HS(CH₂)₄SH Formula Weight: 122.25 MDL Number: MFCD00004906 Purity: 97% Boiling Point: 105-106 °C/30 mmHg(lit.) Density:...

Grade: Reagent, ACS CAS No.: 60583-39-3 UN No.: UN1544 Class: 6.1 Pkg. Group: PG I

Synonym(s): Boc-D-phenylalanine Formula: C₁₄H₁₉NO₄ Formula Weight: 265.30 CAS No.: 18942-49-9 Purity: ≥99.0% (sum of enantiomers, TLC) Storage: 2-8°C Packaging: 5 g in poly bottle

Empirical Formula: C₆D₅H Linear Formula: C₆HD₅ Formula Weight: 83.14 MDL Number: MFCD00084121 Boiling Point: 80 °C(lit.) Melting Point: 5.5 °C(lit.) Density: 0.930 g/mL at 25 °C Refractive Index: n 20/D...

Synonym(s): 1,4-Dimercaptobutane; Tetramethylene dimercaptan Formula: HS(CH₂)₄SH Formula Weight: 122.25 CAS No.: 1191-08-8 Purity: 97% Density: 1.042g/mLat 25°C(lit.) Packaging: 5, 25 g in glass bottle

Empirical Formula: C₈H₇Br Linear Formula: H₂C=CHC₆H₄Br Formula Weight: 183.05 MDL Number: MFCD00000110 Purity: 97% Boiling Point: 89 °C/16 mmHg(lit.) Density: 1.4 g/mL at 25 °C(lit.) Refractive Index: n...

Synonyms: 2,6-Di- tert -butyl-4-methylphenol; 2,6-Di- tert -butyl- p -cresol; BHT; Butylated hydroxytoluene; Butylhydroxytoluene; DBPC Formula: [(CH₃)₃C]₂C₆H₂(CH₃)OH Formula Weight: 220.35 CAS No.: 128-37-0 General description: This...

Synonym(s): 1-Bromo-4-hydroxynaphthalene; 4-Bromo-1-naphthalenol Empirical Formula: C₁₀H₇BrO Linear Formula: C₁₀H₇BrO Formula Weight: 223.07 MDL Number: MFCD03129265 Purity: 95% Melting Point: 128-133 °C

Synonym(s): O,O' -Bis[2-(succinylamino)ethyl]polyethylene glycol Linear Formula: HOOCCH₂CH₂CONH(CH₂CH₂O)_nCH₂CH₂NHCOCH₂CH₂COOH MDL Number: MFCD00286222

Empirical Formula: C₂₈H₅₆SSn₂ Linear Formula: C₂₈H₅₆SSn₂ Formula Weight: 662.23 MDL Number: MFCD13193232 Purity: 97% Density: 1.201 g/mL at 25 °C

analytical standard Purity: ≥95% (HPLC)

Synonym(s): tert -Butyl N -(4-hydroxybutyl)carbamate Empirical Formula: C₉H₁₉NO₃ Linear Formula: (CH₃)₃CO₂CNH(CH₂)₄OH Formula Weight: 189.25 MDL Number: MFCD01861334 Purity: ≥98.0% (GC) Density:...

Benedict's reagents comprise of copper sulphate, sodium carbonate which functions as a mild alkali, and sodium citrate. It is quite stable. On boiling this reagent with glucose, it gives a white precipitate of cuprous thiocyanate. It is primarily used for the estimation of glucose in urine. MDL...

Synonym(s): Boc-D-Pro-OH Formula: C₁₀H₁₇NO₄ Formula Weight: 215.25 CAS No.: 37784-17-1 Purity: 99% Storage: 2-8°C Packaging: 1, 5 g in glass bottle

CAS No.: 25316-59-0 Formula: C₁₉H₃₄BrN Formula Weight: 356.38 Linear Formula: C₆H₅CH₂N(Br)(CH₂CH₂CH₂CH₃)₃ MDL No.: MFCD00011848 Purity: ≥99.0% Melting Point: 169-171 °C

European Pharmacopoeia (EP) Reference Standard Empirical Formula: C₂₈H₃₇ClO₇ -+ H₂O Formula Weight: 539.06 Linear Formula: C₂₈H₃₇ClO₇ -+ H₂O

Grade: USP CAS No.: 94-09-7

Synonym(s): α,α,α-Trifluoro- p -toluoyl chloride Formula: CF₃C₆H₄COCl Formula Weight: 208.56 CAS No.: 329-15-7 UN Number: UN3265 Purity: 97% Density: 1.404g/mLat 25°C(lit.) Packaging: 1, 5, 25 g in ampule

n-Butanol is useful for the removal of ethidium bromide from DNA purified by CsCl gradient ultracentrifugation. It is also suitable for use in the concentration of dilute nucleic acid solutions by repeated extractions. Increased nucleic acid concentration improves recovery by ethanol precipitation.

Synonym(s): Trimethylene bromochloride Formula: Cl(CH2)3Br Formula weight: 157.44 Purity: 99% CAS Number: 109-70-6 UN Number: UN2688 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2903.79 Hazard Statements: H331-H302 Toxic if inhaled. Harmful if swallowed. Precautionary Statements:...

Formula: (CH₃)₂CH(CH₂)₃Br Formula Weight: 165.07 CAS No.: 626-88-0 UN Number: UN1993 Purity: 97% Density: 1.134g/mLat 25°C(lit.) Packaging: 5 g in glass bottle