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A7511

Bovine Serum Albumin

lyophilized powder, essentially fatty acid free, ≥97% (agarose gel electrophoresis), 1X Crystallized

Synonym(s):

Albumin bovine serum, BSA, Bovine albumin

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About This Item

CAS Number:
9048-46-8
EC Number:
232-936-2
MDL number:
MFCD00130384
UNSPSC Code:
12352202
NACRES:
NA.27

Key Documents

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biological source

bovine

Assay

≥97% (agarose gel electrophoresis)

form

lyophilized powder

quality

crystallized

mol wt

~66 kDa

purified by

cold ethanol fractionation

packaging

poly bottle of

origin

USA origin

Fatty acid content

≤0.01%

technique(s)

ELISA: suitable
electrophoresis: suitable
western blot: suitable

impurities

≤0.01% free fatty acid

pH

7

solubility

water: soluble (50 mg/ml)

UniProt accession no.

P02769

storage temp.

2-8°C

Gene Information

bovine ... ALB(280717)

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1 of 4

This Item
A373305470B6917
Bovine Serum Albumin lyophilized powder, essentially fatty acid free, ≥97% (agarose gel electrophoresis), 1X Crystallized

Sigma-Aldrich

A7511

Bovine Serum Albumin

Bovine Serum Albumin lyophilized powder, ≥98% (agarose gel electrophoresis)

Sigma-Aldrich

A3733

Bovine Serum Albumin

Bovine Serum Albumin lyophilized powder, crystallized, ≥98.0% (GE)

Sigma-Aldrich

05470

Bovine Serum Albumin

Bovine Serum Albumin lyophilized powder, suitable for (for molecular biology), Non-acetylated, Molecular Biology

Sigma-Aldrich

B6917

Bovine Serum Albumin

biological source

bovine

biological source

bovine

biological source

bovine

biological source

bovine

technique(s)

ELISA: suitable, western blot: suitable, electrophoresis: suitable

technique(s)

flow cytometry: suitable

technique(s)

cell culture | mammalian: suitable, electron microscopy: suitable

technique(s)

electrophoresis: suitable-98% using Agarose

assay

≥97% (agarose gel electrophoresis)

assay

≥98% (agarose gel electrophoresis)

assay

≥98.0% (GE)

assay

≥98% (agarose gel electrophoresis)

origin

USA origin

origin

New Zealand origin

origin

-

origin

USA origin

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

Biochem/physiol Actions

Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.

Features and Benefits

  • Essentially fatty acid free
  • Crystallized

Preparation Note

Often referred to as Cohn fraction V; this product is prepared by a modified method of the Cohn cold ethanol fractionation method. Further purified by a proprietary crystallization method
Prepared from albumin (A4378)
Serum albumin may be referred to as Fraction V. This naming convention is taken from the original Cohn method of fractionating serum proteins using cold ethanol precipitation. Serum albumin was found in the fifth ethanol fraction using Cohn′s method. Since then, the term "Fraction V" has been used by some to describe serum albumin regardless of the method of preparation. Others have used this term to describe serum albumin purified by ethanol fractionation methods that have been highly modified since the original Cohn method was described. Sigma-Aldrich manufactures and distributes serum albumins purified from a variety of primary methods including the true Cohn fractionation method, modified ethanol fractionation methods, heat shock and chromatography. Additional purification steps may include crystallization or charcoal filtration.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000490665
0000490665
0000451921
0000451921
0000428894

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