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/418/501/product-dating-information-06-25-mk.pdf
Scegli un formato
| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
250 mg | Per conoscere la disponibilità, visualizza il carrello | CHF 54.20 |
1 g | Per conoscere la disponibilità, visualizza il carrello | CHF 112.00 |
5 g | Per conoscere la disponibilità, visualizza il carrello | CHF 365.00 |
10 g | Per conoscere la disponibilità, visualizza il carrello | CHF 695.00 |
25 g | Per conoscere la disponibilità, visualizza il carrello | CHF 1370.00 |
50 g | Per conoscere la disponibilità, visualizza il carrello | CHF 2250.00 |
Informazioni su questo articolo
grade
Molecular Biology
Quality Segment
assay
≥98% (HPLC), ≥99% (titration)
form
powder
reaction suitability
reagent type: reductant
mp
41-44 °C (lit.)
solubility
H2O: 50 mg/mL
cation traces
heavy metals (as Pb): ≤5 ppm
suitability
suitable for molecular biology
application(s)
advanced drug delivery
foreign activity
DNase, RNase, protease, none detected
storage temp.
2-8°C
SMILES string
O[C@H](CS)[C@H](O)CS
InChI
1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4-/m1/s1
InChI key
VHJLVAABSRFDPM-QWWZWVQMSA-N
General description
Application
È stato impiegato anche:
Biochem/physiol Actions
Features and Benefits
- Adatto per biologia molecolare
- Privo di RNasi, DNasi, esonucleasi e proteasi
- Alta purezza (HPLC ≥98%)
- Senza metalli pesanti ≤5 ppm
Other Notes
1 of 1
Questo articolo | |||
|---|---|---|---|
| description Molecular Biology, ≥98% (HPLC), ≥99% (titration) | description ≥98% (HPLC), ≥99.0% (titration) | description BioUltra, Molecular Biology, ≥99.5% (RT) | description BioXtra, ≥99.0% (titration) |
| grade Molecular Biology | grade - | grade Molecular Biology | grade - |
| assay ≥98% (HPLC), ≥99% (titration) | assay ≥98% (HPLC), ≥99.0% (titration) | assay ≥99.5% (RT) | assay ≥99.0% (titration) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| application(s) advanced drug delivery | application(s) general analytical | application(s) - | application(s) - |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| form powder | form powder | form powder | form powder |
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signalword
Danger
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B
Classe di stoccaggio
8A - Combustible corrosive hazardous materials
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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In het kader van de IVDR richtlijnen heb ik de volgende vraag; Heeft de stof DL-Dithiothreitol het keurmerk IVD/CE?
1 answer-
No, this product does not have the have the IVD/CE quality mark. This is a research grade product which is not intended for in vitro applications.
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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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What is the meaning of Molecular Biology Grade in the description of Product D9779, DL-Dithiothreitol?
1 answer-
Molecular Biology grade products are tested for DNase, RNase, and protease to make certain that they contain minimal levels of these contaminants.
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What is the solubility of Product D9779, DL-Dithiothreitol?
1 answer-
This product is soluble in water (50 mg/mL), yielding a clear, colorless solution. DTT is also soluble in ethanol, acetone, ethyl acetate, chloroform and ether. This information may be found on the product information sheet for a related DTT product (Product No. D0632).
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What is the shelf life of Product D9779, DL-Dithiothreitol?
1 answer-
The recommended retest period for D9779 is 4 years. This information can be found on the Specification Sheet. The actual retest date for a given lot can be found on the Certificate of Analysis for that lot.
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What is the solution stability of Product D9779, DL-Dithiothreitol (DTT)?
1 answer-
We generally recommend preparing DTT solutions fresh daily. A table showing the half life of DTT in solution under various conditions can be found on the product information sheet for a related DTT product (Product No. D0632).
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What is the Department of Transportation shipping information for this product?
1 answer-
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.
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