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After opening, this product is stable for at least 1 week at room temperature under inert gas such as nitrogen or argon. The long term storage of this product has not been determined. However, the powder material, under product number 580560, reports that TCEP may be stored at -20°C in aliquots for up to 3 months. Note that this material in solution retains stability when stored at an acidic or alkaline pH. Adjustment of the pH would be required prior storage. Avoid storage at pH 7.0-8.0. Also avoid exposure to high concentrations of phosphate ions (>150 mM).
646547
Tris(2-carboxyethyl)phosphine hydrochloride solution
0.5 M, pH 7.0(aqueous solution; pH was adjusted with ammonium hydroxide)
Sinonimo/i:
TCEP
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10 X 1 ML
146,00 €
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146,00 €
About This Item
Formula empirica (notazione di Hill):
C9H15O6P · HCl
Numero CAS:
Peso molecolare:
286.65
Numero MDL:
Codice UNSPSC:
12352128
ID PubChem:
NACRES:
NA.25
Prodotti consigliati
Livello qualitativo
Concentrazione
0.5 M
Indice di rifrazione
n20/D 1.367
pH
7.0(aqueous solution; pH was adjusted with ammonium hydroxide)
Densità
1.041 g/mL at 25 °C
Stringa SMILE
Cl.OC(=O)CCP(CCC(O)=O)CCC(O)=O
InChI
1S/C9H15O6P.ClH/c10-7(11)1-4-16(5-2-8(12)13)6-3-9(14)15;/h1-6H2,(H,10,11)(H,12,13)(H,14,15);1H
PBVAJRFEEOIAGW-UHFFFAOYSA-N
Descrizione generale
It belongs to the trialkylphosphine class.[1]
Tris (2-carboxyethyl) phosphine (TCEP) is very effective in cleaving disulfide bonds in aqueous solution.[2] It dissolves in water and is odorless, unlike other trialkylphosphines (tributylphosphine). It is also less toxic than 2-mercaptoethanol. These advantages make it better than the other reducing agents.[3]
Applicazioni
Tris (2-carboxyethyl) phosphine (TCEP) can be used in several downstream applications including SDS-PAGE, mass spectrometry, labeling with cysteine specific tags, and modification of cysteine containing compounds. It prevents oxidation of protein samples, which makes it a useful buffer component as it helps to preserve enzymatic activity.[4][5][6] It has been used in the reduction and measurement of glutathione.[7]
Azioni biochim/fisiol
As a non-mercaptan reducing agent, it avoids the toxicity inherent in thiol-containing compounds. It is capable of disrupting the botulinum neurotoxin B heavy-chain/light-chain complex that is held together by a single disulfide bond, and that is responsible for endocytosis, and ultimately the toxicity, of the toxin. Since disulfide-coupled subunits are characteristic of many toxins (e.g., ricin, snake venom, and all BoNT serotypes), it may be useful as a rescue prophylactic in cases of toxin administration.[11]
Tris(2-carboxyethyl)phosphine hydrochloride solution reduces the disulfide bonds and leaves other functional groups intact in proteins.[12]
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Avvertenze
Danger
Indicazioni di pericolo
Classi di pericolo
Eye Dam. 1 - Skin Corr. 1B
Codice della classe di stoccaggio
8A - Combustible corrosive hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 1
Dispositivi di protezione individuale
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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I clienti hanno visto anche
Xuerong Shi et al.
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The light chain (LC) of botulinum neurotoxin B (BoNT/B) is unable to enter target neuronal cells by itself. It is brought into the cell in association with the BoNT/B heavy chain (HC) through endocytosis. The BoNT HC-LC subunits are held
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Upon opening, may I aliquot and store this product at -20C? Or which way do you recommend storing it? Thanks.
1 risposta-
Utile?
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How can I determine the shelf life / expiration / retest date of this product?
1 risposta-
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.pdfUtile?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 risposta-
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
Utile?
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soultion의 shelf-life를 알고싶습니다.
1 risposta-
This product is not assigned 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.
Please see the link below for the product information sheet which includes recommended storage and handling information:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/120/057/646547dat.pdfUtile?
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