Pharmacy

Extinction Coefficient Calculator (protein/DNA absorbance at 280 nm) Protein ssDNA (280nm) Protein Sequence (One-Letter Codes) Clean Input Molar Concentration (c) mol/L (M) Path Length (l) cm Calculate Reset Calculation Results Extinction Coefficient (ε₂₈₀) 0 M⁻¹cm⁻¹ Absorbance at 280nm (A₂₈₀) 0 Calculation Breakdown Extinction Coefficient & Beer-Lambert Law The Molar Extinction Coefficient (ε), also known as … Read more

Isoelectric Point (pI) Calculator Isoelectric Point (pI) Calculator Single Amino Acid Peptide Sequence Select Amino Acid Peptide Sequence (One-Letter Codes) Clean Input Calculate pI Reset Calculation Result Isoelectric Point (pI) Titration Curve (Net Charge vs. pH) Export Result as JPG Export Result as PDF What is the Isoelectric Point (pI)? The Isoelectric Point (pI) is … Read more

Amino Acid Composition Analyzer Amino Acid Composition Analyzer Protein Sequence (One-Letter Codes) Clean Input Reset Analyze Sequence Analysis Results Total Amino Acids 0 Unknown Characters 0 Molecular Weight 0 Da Composition Breakdown Name Code Count Percent (%) Percentage Composition Chart Export Result as JPG Export Result as PDF What is Amino Acid Composition Analysis? Amino … Read more

Osmolarity & Osmolality Calculator Osmolarity & Osmolality Calculator Calculate Osmolarity Calculate Osmolality Solutes + Add Solute Total Volume of Solution Liters (L)Milliliters (mL) Total Mass of Solvent Kilograms (kg)Grams (g) Calculate Reset Calculation Result Step-by-Step Breakdown Osmolarity vs. Osmolality Osmolarity and Osmolality are both measures of the total concentration of solute particles in a solution, … Read more

Colligative Properties Calculator Colligative Properties Calculator Boiling Point Elevation Freezing Point Depression Osmotic Pressure Van ‘t Hoff Factor (i) Ebullioscopic Constant (Kb) °C/m Molality (m) mol/kg Van ‘t Hoff Factor (i) Cryoscopic Constant (Kf) °C/m Molality (m) mol/kg Van ‘t Hoff Factor (i) Molarity (M) mol/L Temperature (T) Kelvin (K)Celsius (°C)Fahrenheit (°F) Calculate Reset Calculation … Read more

Standard Redox Potential (E°cell) Calculator Standard Redox Potential (E°cell) Calculator E°cathode (Reduction) Volts E°anode (Reduction) Volts Enter the standard reduction potentials for both half-reactions. Calculate E°cell Reset Calculation Result Standard Cell Potential (E°cell) Step-by-Step Breakdown What is Standard Cell Potential? The Standard Cell Potential (E°cell) is the potential difference (voltage) between the two half-cells of … Read more

Nernst Equation Calculator Nernst Equation Calculator Simplified (25°C / 298.15K) General Equation Standard Cell Potential (E°) Volts Temperature (T) Kelvin (K)Celsius (°C)Fahrenheit (°F) Moles of Electrons (n) mol e⁻ Calculate Reaction Quotient (Q) Reactants + Add Reactant Products + Add Product Calculate Ecell Reset Calculation Result Cell Potential (E) Step-by-Step Breakdown The Nernst Equation The … Read more

Clausius–Clapeyron Equation Calculator Clausius–Clapeyron Calculator Solve for: Pressure 2 (P₂)Pressure 1 (P₁)Temperature 2 (T₂)Temperature 1 (T₁)Enthalpy of Vaporization (ΔHvap) Pressure 1 (P₁) atmkPaPammHgTorr Temperature 1 (T₁) Kelvin (K)Celsius (°C)Fahrenheit (°F) Pressure 2 (P₂) atmkPaPammHgTorr Temperature 2 (T₂) Kelvin (K)Celsius (°C)Fahrenheit (°F) Enthalpy of Vaporization (ΔHvap) J/molkJ/mol Calculate Reset Calculation Result Step-by-Step Breakdown The Clausius–Clapeyron Equation … Read more

Equilibrium Constant (Kc/Kp) Calculator Equilibrium Constant (Kc/Kp) Calculator Calculate Kc Calculate Kp Convert Kp ↔ Kc Reactants (Equilibrium Concentration) + Add Reactant Products (Equilibrium Concentration) + Add Product Reactants (Equilibrium Partial Pressure) + Add Reactant Products (Equilibrium Partial Pressure) + Add Product Kc to Kp Kp to Kc Kc Value Kp Value Temperature (T) Kelvin … Read more