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
Vybrat velikost
| Vám/SKU | Dostupnost | Cena |
|---|---|---|
25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 350,00 Kč |
500 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 650,00 Kč |
2 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 14 500,00 Kč |
O této položce
2 350,00 Kč
General description
Application
- Synthesis of tetra-substituted pyrrole derivatives via four-component condensation reaction of aromatic aldehydes, benzylamines, β-ketoesters and nitroalkanes.
- In combination with 1,2-ethanedithiol for the deprotection of tetrahydropyranyl (THP) and tert-butyldimethylsilyl (TBS) ethers to their corresponding hydroxyl compounds.
- Synthesis of 3,4-dihydropyrimidinones from aldehydes and β-keto esters via Biginelli condensation.
Legal Information
1 of 1
Tato položka | |||
|---|---|---|---|
| description ReagentPlus® | description 99.999% trace metals basis | description puriss. p.a., ≥98% | description BioReagent, suitable for cell culture |
| form powder or crystals | form crystals and lumps | form powder or crystals | form powder |
| Quality Level 200, 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| product line ReagentPlus® | product line - | product line - | product line BioReagent |
| concentration 23.0-26.0% Ni (EDTA titration) | concentration - | concentration - | concentration - |
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Výstražné slovo
Danger
Kódy nebezpečí
Bezpečnostní pokyny
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A Inhalation - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 Inhalation
Cílové orgány
Lungs
Bod vzplanutí (°F)
Not applicable
Bod vzplanutí (°C)
Not applicable
Skladovací třída
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Seznamy omezení vyplývajících z předpisů
Seznamy omezení vyplývajících z předpisů jsou poskytovány zejména pro chemické produkty. Pro jiné než chemické produkty lze poskytovat pouze omezené informace. Žádný záznam znamená, že v seznamech není obsažena žádná ze součástí. Povinností uživatele je zajistit bezpečné a zákonné použití produktu.
7791-20-0
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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