Organic Acids

U.S. Pharmacopeia Formic Acid (1.2 mL/ampule; 3 ampules) | 64-18-6 | MFCD00003297

Formic Acid (1.2 mL/ampule; 3 ampules) | Mol Wt: 46.025 | 64-18-6 | MFCD00003297 |

Medchemexpress LLC Malic dehydrogenase, microorganism | 9001-64-3 | about 35,000 | 10 KU

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Malate dehydrogenase (MDH), also known as EC 1.1.1.37, catalyzes the reversible interconversion of oxaloacetate and malate, playing a crucial role in metabolic pathways involving the oxidation/reduction of dinucleotide coenzymes.

• Enzymatic activity: ≥10 U/mg solid
• Molecular weight: approximately 35,000
• Michaelis constant: 1.5x10⁻⁶ M (NADH, 37°C); 1.9x10⁻⁶ M (oxaloacetate, 37°C)
• Optimum pH: 7.5-8.0
• Optimum temperature: 60°C
• pH stability: 3.0-9.0 (37°C, 30 minutes)
• Thermal stability: below 65°C (pH 7.5, 30 minutes)
• Recommended dissolution: 100 mM Tris-HCl, pH 7.5 at 20 U/mL, or in water/buffer
• Appearance: white to off-white solid
• Solubility in water: ≥ 100 mg/mL

U.S. Pharmacopeia Glacial Acetic Acid, 64-19-7, MFCD00036152, 1.5 mL/ampule; 3 ampules

Molecular formula C2-H4-O2, Molecular weight 60.05 g/mol, Melting Point 61.88 °F (16.6 °C), Boiling Point 244.22 °F (117.9 °C), Synonyms: Methanecarboxylic acid, Ethanoic acid

Medchemexpress LLC Malic dehydrogenase, microorganism | 9001-64-3 | ≥10 U/mg solid | about 35,000 | 1 KU

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Malate dehydrogenase (EC 1.1.1.37) (MDH) is an enzyme that catalyzes the mutual conversion of oxaloacetate and malate. It is associated with the oxidation/reduction of dinucleotide coenzymes.

• Optimum pH 7.5-8.0
• Optimum temperature 60°C
• pH stability 3.0-9.0 (37°C, 30 minutes)
• Thermal stability below 65°C (pH 7.5, 30 minutes)

Medchemexpress LLC Malic dehydrogenase, microorganism (MDH) | 9001-64-3 | ≥10 U/mg solid | 35,000 | 5 KU

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Malate dehydrogenase (EC 1.1.1.37) (MDH) catalyzes the mutual conversion of oxaloacetate and malate, and is associated with the oxidation/reduction of dinucleotide coenzymes.

• Michaelis constant: 1.5x10-6 M (NADH, 37°C), 1.9x10-6 M (oxaloacetate, 37°C)
• Optimum pH: 7.5-8.0
• Optimum temperature: 60°C
• PH stability: 3.0-9.0 (37°C, 30 minutes)
• Thermal stability: below 65°C (pH 7.5, 30 minutes)
• Enzyme activity: ≥10 U/mg solid
• Unit definition: one unit is defined as the amount of enzyme that oxidation of 1 μmol NADH per min at pH 7.5 at 30°C.
• Appearance: solid
• Color: white to off-white
• EC number: 1.1.1.37
• Solubility: H2O : ≥ 100 mg/mL