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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
Wichtige Dokumente
B75956
4-Bromphenylboronsäure
≥95.0%
Synonym(e):
4-Brom-benzolboronsäure
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About This Item
Empfohlene Produkte
Qualitätsniveau
Assay
≥95.0%
95%
Form
crystals
mp (Schmelzpunkt)
284-288 °C (lit.)
SMILES String
OB(O)c1ccc(Br)cc1
InChI
1S/C6H6BBrO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4,9-10H
InChIKey
QBLFZIBJXUQVRF-UHFFFAOYSA-N
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Verwandte Kategorien
Anwendung
- Palladium catalyzed Suzuki-Miyaura cross-couplings[1]
- Pd(II)-catalyzed diastereoselective conjugate additions[2]
- Palladium-catalyzed stereoselective Heck-type reaction of allylic esters with arylboronic acids[3]
- Tandem-type Pd(II)-catalyzed oxidative Heck reaction and intramolecular C-H amidation sequence[4]
- Copper-mediated ligandless aerobic fluoroalkylation of arylboronic acids with fluoroalkyl iodides[5]
- Pd-catalyzed arylative cyclization of alkyne-tethered enals or enones via carbopalladation of alkynes[6]
- Copper-catalyzed cross-couplings[7][8]
Reagent used in Preparation of
Sonstige Hinweise
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Zielorgane
Respiratory system
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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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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