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I0516 Sigma

Insulin solution from bovine pancreas

10 mg/mL insulin in 25  mM HEPES, pH 8.2, BioReagent, sterile-filtered, suitable for cell culture

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Properties

Related Categories Cell Culture, Hormones, Reagents and Supplements More...
Quality Level   GMP
sterility   sterile-filtered
product line   BioReagent
form   solution
concentration   10 mg/mL insulin in 25  mM HEPES, pH 8.2
impurities   endotoxin, tested
suitability   suitable for cell culture
storage temp.   2-8°C

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

Recommended for use in cell culture applications at 0.5 to 1 mL per liter of medium.

Biochem/physiol Actions

Two-chain polypeptide hormone produced by the β-cells of pancreatic islets. Its molecular weight is ~5800 Da. The α and β chains are joined by two interchain disulfide bonds. The α chain contains an intrachain disulfide bond. Insulin regulates the cellular uptake, utilization, and storage of glucose, amino acids, and fatty acids and inhibits the breakdown of glycogen, protein, and fat.

Physical form

stable 2-8 °C

Price and Availability


All labs need water
Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
What is the comparison between International Units (IU) and USP units for insulin?
The international unit (IU) of insulin is based on the International Standard Preparation of Bioassay (1958). The standard preparation is a mixture of 52% bovine and 48% porcine insulin, containing 24 units/mg. Reference: Martindale: The Extra Pharmacopoeia, 29th ed., p. 392. High purity bovine pancreatic insulin typically assays at approximately 27 USP units per mg. So the IU and USP unit are not identical, but they are approximately 1:1.
What is the amino acid sequence for insulin?
The sequence and structure of insulin can be found on the product information sheet; here is the link to that document: http://www.sigmaaldrich.com/etc/medialib/docs/Sigma-Aldrich/Product_Information_Sheet/i5500pis.Par.0001.File.tmp/i5500pis.pdf
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How many units/mg am I getting in Product I0516, Insulin solution?
This solution is made using insulin Product No. I5500.  The potency specification for the I5500 is not less than 27 USP units/mg.  However, we do not test for potency of the final product of this solution.  It is possible some activity is lost during the manufacturing process.
What is the molarity of Product I0516, Insulin solution?
Product No. I0516 is a 10 mg/mL solution of bovine insulin (MW 5733.5). The molarity is 1.7 μmol/mL or 1.7 mM.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
  What kind of solution is the A5955 - Antibiotic Antimycotic Solution (100×), Stabilized product suspended in?
A5955 - Antibiotic Antimycotic Solution (100×), Stabilized is supsended in a sodium citrate buffer solution. Source: Israel production group
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Protocols & Articles
Peer-Reviewed Papers
15

References

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