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Sigma-Aldrich

Probumin® Bovine Serum Albumin Universal Grade

≥98%, USA Origin, Tested for IgG , ELISA: suitable, enzyme immunoassay: suitable, Serology: suitable

Synonym(s):

Albumin, BSA, Bovine Serum, Bovine Serum Albumin, Fraction V

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About This Item

CAS Number:
9048-46-8
UNSPSC Code:
41141801

product name

Probumin® Bovine Serum Albumin Universal Grade, pack of 5 kg

biological source

bovine serum

Quality Level

300

Assay

≥98% (purity)

form

lyophilized powder

shelf life

48 mo.

mol wt

apparent mol wt 66 kDa

purified by

heat shock fractionation

packaging

pack of 5 kg

manufacturer/tradename

Probumin®

origin

USA origin

technique(s)

blocking: suitable
enzyme immunoassay: suitable

dilution

(Serology)

impurities

IgG, tested

loss

≤5%

pH range

5.0-5.4

anion traces

chloride (Cl-): 0.0-3.0 mg/g

cation traces

Na: 0.0-10.0 mg/g

foreign activity

Bluetongue, none detected
Vesicular Stomatitis, none detected

storage temp.

2-8°C

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General description

This BSA powder is manufactured by a proprietary heat-shock fractionation process, using caprylic acid as an albumin stabilizer. A highly consistent and widely used grade of BSA powder for a wide spectrum of immunoassays, cell culture and microbial fermentation applications. This BSA is low in sodium and chloride as well as highly monomeric. Purity specification is >= 98%; typical purity is 100%.

Legal Information

Probumin is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Probumin® BSA grades are distinguished by differences in production. The use of terms such as ′Diagnostic Grade′ or ′Vaccine Grade′ in product names solely indicates that said products are commonly used by customers in those applications. We have not qualified every single product in every conceivable application. Users should qualify Probumin® BSA grades using the specific reagents, conditions, and constraints of their assay.
For further manufacturing use only. Not for human or animal consumption.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

Probumin® Bovine Serum Albumin (BSA) Powders & Solutions - Frequently Asked Questions

Probumin® BSA is a commonly used bovine serum albumin for buffers, non-specific blocking, protein stabilization and other diagnostic applications. Given the diverse uses of BSA, here are some frequently asked questions and answers about the molecule, formats, methods, and applications.

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