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
634492
4-Pyridinylboronic acid
90%
Synonyma:
4-Pyridineboronic acid, 4-Pyridylboronic acid
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 1 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 110,00 Kč | |
| 5 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 880,00 Kč 2 160,00 Kč | |
| 25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 410,00 Kč |
O této položce
1 110,00 Kč
Quality Segment
assay
90%
form
solid
mp
>300 °C (lit.)
storage temp.
−20°C
SMILES string
OB(O)c1ccncc1
InChI
1S/C5H6BNO2/c8-6(9)5-1-3-7-4-2-5/h1-4,8-9H
InChI key
QLULGIRFKAWHOJ-UHFFFAOYSA-N
General description
Application
- Palladium-catalyzed Suzuki-Miyaura coupling reactions[1]
- Ligand-free palladium-catalyzed Suzuki coupling reaction under microwave irradation
Reagent used in Preparation of
Other Notes
1 of 1
Tato položka | |||
|---|---|---|---|
| assay 90% | assay ≥95.0% | assay ≥95% | assay ≥95.0% |
| storage temp. −20°C | storage temp. - | storage temp. - | storage temp. - |
| mp >300 °C (lit.) | mp >300 °C (lit.) | mp >350 °C (lit.) | mp 327-330 °C (lit.) |
| form solid | form solid | form - | form - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
Skladovací třída
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Sortimentní položky
Suzuki-Miyaura cross-coupling reaction is extensively used in organic chemistry, polymer science, and pharmaceutical industries.
Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| 634492-5G | 04061832722061 |
| 634492-25G | 04061832905365 |
| 634492-1G | 04061832722047 |
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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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