If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
A8960
L-Ascorbic acid 2-phosphate sesquimagnesium salt hydrate
≥95%
Synonym(s):
MAP, Magnesium Ascorbyl Phosphate
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Select a Size
About This Item
Recommended Products
biological source
synthetic (organic)
Quality Level
Assay
≥95%
form
powder
technique(s)
HPLC: suitable
color
white to off-white
solubility
water: 50 mg/mL
storage temp.
room temp
SMILES string
O=C1O[C@@]([C@@H](O)CO)([H])C([O-])=C1OP([O-])([O-])=O.O=C2O[C@@]([C@@H](O)CO)([H])C([O-])=C2OP([O-])([O-])=O.O.[Mg+2].[Mg+2].[Mg+2]
InChI
1S/2C6H9O9P.3Mg.H2O/c2*7-1-2(8)4-3(9)5(6(10)14-4)15-16(11,12)13;;;;/h2*2,4,7-9H,1H2,(H2,11,12,13);;;;1H2/q;;3*+2;/p-6/t2*2-,4+;;;;/m00..../s1
InChI key
HKRNHMZODRSAPN-IXNKEUJHSA-H
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General description
Moreover, MAP plays a pivotal role in metabolomics and biochemical research. Acting as an antioxidant, it effectively scavenges free radicals, offering protection against oxidative damage. Its anti-inflammatory properties contribute to the reduction of inflammation, and studies have indicated its ability to stimulate collagen production. Additionally, MAP serves as a chelating agent, further expanding its applications in various research studies. The multifaceted nature of MAP makes it a valuable tool in scientific investigations, contributing to advancements in cell biology, metabolomics, and biochemical research.
Application
Biochem/physiol Actions
Features and Benefits
- Can be used in Cell Biology, Metabolomics and Biochemical research
- High-quality compound suitable for multiple research applications
Other Notes
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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Certificates of Analysis (COA)
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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How long is stable at -20 or -80 degrees, if dissolved in water or media? By any chance, did you tested the stability of this product at -20 °C or -80 °C?
1 answer-
Unfortunately, the solution stability of this product at freezer temperatures has not been determined. This product is soluble in water at 50 mg/ml. Stock solutions have been found to retain 85% activity for 1 week at 37 °C and 80% activity for 1 month at refrigerated temperatures.
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To whom it may concern, I would like to know more on the biocompatibility of L-Ascorbic acid 2-phosphate sesquimagnesium salt hydrate. Could you please send me an example of certificate of analysis for this compound? Thanks a lot. S. Chatellier
1 answer-
Please see the link below to access a specific lot or review a sample Certificate:
https://www.sigmaaldrich.com/product/sigma/A8960#product-documentationHelpful?
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What type of filter membrane can be used to sterilize ascorbic acid?
1 answer-
After reconstitution in water, it is recommended to sterilize the solution using a 0.22 micron PES filter, such as one of the following products, or any other dimension that better fits the end user's needs.
https://www.sigmaaldrich.com/substance/steritopthreadedbottletopfilter1234598765Helpful?
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Is A8960 sterile? or can i find a sterile alternative?
1 answer-
This is not a sterile product. Stock solutions should be filter-sterilized. The compound is soluble in water at 50 mg/mL. The solution stability has not been determined.
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What is the shelf life/stability since purchased? In powder condition in its original container, at room temperature
1 answer-
This product does not contain an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.
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Can stock solutions of this compound be frozen and retain their activity for extended periods of time?
1 answer-
The product stability has not been determined in freezer temperature. Stock solutions that are stored at 5 °C are approximately 80% active after 4 weeks.
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How long is A8960 stable in water when frozen at -20C?
1 answer-
This product stability has not been determined in freezer temperature. Stocks solutions that are stored at 5 °C are approximately 80% active after 4 weeks.
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How long is stable at -20 or -80 degrees, if dissolved in water or media ? Thinking to prepare a stock solution. Thank you
1 answer-
This product is soluble in water at 50 mg/ml, forming a clear colorless to yellow solution. Stocks solutions that are stored at 5 °C are approximately 80% active after 4 weeks.
If this product is reconstituted or diluted into media, it retains approximately 85% of its activity after 1 week at 37 °C and approximately 80% for 1 month at 5 °C.
This product stability has not been determined at -20 °C or -80 °C.
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