Albumin (BSA, ALB) - Sulfhydryl Blocked

Catalogue Number: 100-10SB
Availability Discontinued - Replaced with 100-35
Product Name Albumin - Sulfhydryl Blocked
Source Bovine Serum
Catalogue Number 100-10SB
Purity > 98% (HPLC)
Form Lyophilized
Analysis pH: 6.7 - 7.31
Conductivity: < 3 mS/cm1
Sodium: < 50 mEq/L1
Chloride: < 35 mEq/L1
Calcium: < 2.5 mg/dL1
Iron: < 50 ug/dL1
Free Sulfhydryls: Not detected
Protease: Not detected
IgG: Not detected
110% solution
Microbial Content < 3 CFU/mL (prior to lyophilization)
Residual Moisture < 5.0% (Loss on Drying)
Appearance Off-white to amber powder
Storage 2-8°C
Recertification 5 years
Synonyms BSA, BSA-SB, ALB
Molecular Weight 66,500
CAS Number 9048-46-8
E.C. Number 232-936-2
Gene ALB
Gene ID 280717
Country of Origin The animal source of this product was collected at a USDA licensed establishment.


Lee Biosolutions is a producer and supplier of High Purity, IgE free Bovine Serum Albumin (BSA) Sulfhydryl Blocked.

Technical support, bulk quantities and aliquoting available, email for more details. BULK QUANTITIES from 100 kg single lot sizes.

Our stable, high purity, sulfhydryl blocked bovine serum Albumin blocks free-thiol groups to provide a high monomer albumin with minimum polymerization upon storage and is routinely used as a blocking agent for streptavidin poly-HRP.

Bovine Serum Albumin can be used where stable primary standards are necessary and for immuno-diagnostic assays such as EIA, RIA and ELISA. BSA is absent of protease and non-esterified fatty acids. Sulfhydryl Blocked BSA is Free of reactive sulphydryl groups, Protease Free, IgG free, Low Calcium, Low Sodium, Low Chloride content. Our Bovine Serum Albumin sulphydryl Blocked is Free of interfering immunoglobulins, highly soluble, crystalline powder that forms clear, particle-free solutions with water.

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