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
E3876
N-Ethylmaleimide
crystalline, ≥98% (HPLC)
Synonym(s):
NEM
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 5 g | Available to ship TODAYfromMILWAUKEE | $98.50 | |
| 25 g | Available to ship TODAYfromMILWAUKEE | $279.00 | |
| 100 g | Available to ship TODAYfromMILWAUKEE | $836.00 |
About This Item
biological source
synthetic (organic)
Quality Segment
assay
≥98% (HPLC)
form
crystalline
storage condition
(Tightly closed. Dry. Keep in a well-ventilated place. )
technique(s)
activity assay: suitable, co-immunoprecipitation (co-IP): suitable, immunoblotting: suitable
color
white to faint yellow
bp
210 °C (lit.)
mp
43-46 °C (lit.)
solubility
ethanol: 50 mg/mL, clear to slightly hazy, colorless to faint yellow or tan
suitability
suitable for Western blot
application(s)
life science and biopharma
storage temp.
2-8°C
SMILES string
CCN1C(=O)C=CC1=O
InChI
1S/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3
InChI key
HDFGOPSGAURCEO-UHFFFAOYSA-N
Gene Information
human ... KCNQ2(3785), KCNQ4(9132), KCNQ5(56479), SLC6A3(6531), SLC6A4(6532)
Application
Biochem/physiol Actions
Preparation Note
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥98% (HPLC) | assay ≥98% (HPLC) | assay 98% | assay - |
| biological source synthetic (organic) | biological source - | biological source synthetic (organic) | biological source mouse |
| Gene Information human ... KCNQ2(3785), KCNQ4(9132), KCNQ5(56479), SLC6A3(6531), SLC6A4(6532) | Gene Information human ... SLC6A3(6531), SLC6A4(6532) | Gene Information - | Gene Information human ... KCNQ5(56479) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| form crystalline | form - | form crystalline powder, powder or crystals | form buffered aqueous solution |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. −20°C |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
flash_point_f
163.2 °F - closed cup
flash_point_c
72.9 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| E3876-5G | 04061835518098 |
| E3876-25G | 04061835544417 |
| E3876-100G | 04061833603437 |
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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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