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
A3221
碘乙酰胺
Single use vial of 56 mg
同義詞:
IAA
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產品名稱
碘乙酰胺, Single use vial of 56 mg
InChI
1S/C2H4INO/c3-1-2(4)5/h1H2,(H2,4,5)
InChI key
PGLTVOMIXTUURA-UHFFFAOYSA-N
SMILES string
NC(=O)CI
biological source
synthetic (organic)
assay
≥99% (HPLC)
form
powder
packaging
vial of 56 mg (Single use)
storage condition
(Tightly closed. Dry. Keep in a well-ventilated place. Keep locked up or in an area accessible
only to qualified or authorized persons.)
color
white to off-white
mp
92-95 °C (lit.)
solubility
H2O: soluble 50 mg/mL, clear, colorless to faintly yellow
suitability
suitable for LC-MS
application(s)
microbiology
storage temp.
2-8°C
Quality Level
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本產品 | I5161 | I6125 | I1149 |
|---|---|---|---|
| assay ≥99% (HPLC) | assay ≥99% (NMR) | assay ≥99% (NMR) | assay ≥99% (NMR) |
| biological source synthetic (organic) | biological source synthetic | biological source synthetic (organic) | biological source synthetic (organic) |
| Quality Level 200 | Quality Level 400 | Quality Level 300 | Quality Level 300 |
| form powder | form powder | form crystalline | form powder |
| solubility H2O: soluble 50 mg/mL, clear, colorless to faintly yellow | solubility H2O: 0.5 M, clear, colorless | solubility H2O: soluble 0.5 M, clear, colorless | solubility H2O: 0.5 M, clear, colorless |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
Biochem/physiol Actions
Features and Benefits
General description
它会与蛋白质中的半胱氨酸和组氨酸残基发生特定的相互作用，影响各种酶（如，核糖核酸酶）。与组氨酸缓慢反应的抑制特性令其适合蛋白酶研究（如，半胱氨酸蛋白酶）。碘乙酰胺的优势在于不可逆地抑制酶，形成稳定的蛋白衍生物，是蛋白质结构、蛋白行为和酶抑制研究的有用工具。
Legal Information
Packaging
Comparable product
Related product
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Chronic 4 - Resp. Sens. 1 - Skin Sens. 1
存儲類別/等級
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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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
Helpful?
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what's the solubility in pure ethanol? Do you offer smaller aliquots?
1 answer-
This product is currently only offered in the 56 mg pack size. The solubility is tested in acetone at 50 mg/mL and it is also listed as being soluble in water at 50 mg/mL. According to a literature review, it should also be soluble in ethanol, but a concentration is not stated so experimentation will be necessary to determine the optimal solubility parameters.
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