English Name: BSA; Albumin(bovine serum); Bovine serum albumin; Bovine albumin

Other Names: Bovine albumin; Acetylated albumin (calf serum); Acetylated calf serum albumin; Bovine blood protein

CAS Number: 9048-46-8

Grade: BR

Molecular Weight: 68kD

Total Protein Content: ≥95.0%

BSA Purity in Total Protein: ≥98.0%

pH: 6.5～7.5 (1% aqueous solution)

1% Aqueous Solution OD₄₀₃: ≤0.15% (by spectrophotometry)

Appearance: Off-white lyophilized crystalline powder or flaky powder. Soluble in water, difficult to salt out. Extinction coefficient (E1%279nm) 6.67. Isoelectric point 4.8, composed of 581 amino acid residues, including 35 cysteine residues forming 17 disulfide bonds, with a free thiol group at position 34 of the peptide chain. Albumin can bind to various cations, anions, and other small molecules.

Use: Biochemical research, genetic engineering, and pharmaceutical studies. Preparation of protein standards. Stabilizer for peptidases and other proteins.

Storage: 2～8°C