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
114618
Isatin
97%
Synonym(s):
2,3-Diketoindoline, 2,3-Dioxo-2,3-dihydroindole, 2,3-Dioxoindoline, o-Aminobenzoylformic anhydride, Isatic acid lactam, Isatinic acid anhydride, 2,3-Indolinedione, Isatine, NSC 9262
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About This Item
Recommended Products
Quality Level
Assay
97%
form
powder
mp
193-195 °C (dec.) (lit.)
solubility
boiling water: soluble
diethyl ether: soluble
soluble
functional group
ketone
SMILES string
O=C1Nc2ccccc2C1=O
InChI
1S/C8H5NO2/c10-7-5-3-1-2-4-6(5)9-8(7)11/h1-4H,(H,9,10,11)
InChI key
JXDYKVIHCLTXOP-UHFFFAOYSA-N
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Application
- Phthalazinone derivatives.[1]
- Spirooxindole derivatives.[2]
- Agents against multidrug-resistant cells expressing P-glycoprotein.[3]
- Thiazolidinones spiro-fused to indolin-2-ones as potent and selective inhibitors of Mycobacterium tuberculosis protein tyrosine phosphatase B.[4]
- Triazole-isatine compounds as potential antibacterial and antifungal agents.[5]
- Biologically relevant scaffolds such as spiro[indole-thiazolidinones].[6]
It can be a reactant for:
Isatin can also be used as a chromatographic spray reagent for amino acids, and also as a reference material in the preparation of indigo and Maya Blue. It is responsible for the yellow color exhibited by the "Maya Yellow" pigment.[9]
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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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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