Isatin impurities and related standards
14 reference standards related to Isatin held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 13 impurity reference standards · 1 pharmaceutical intermediate. CAS numbers are listed for 14 of 14; 14 entries carry a structure drawing.
On this page
14 reference standards
All entries — structure, identifiers and pack sizes
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5-Hydroxy isatin
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Isatin Impurity 2 (6-Chloroisatin)
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Isatin Impurity 3
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Isatin Impurity 5 (5-Iodoisatin)
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Isatin Impurity 6 (6-Methylisatin)
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Isatin Impurity 7 (7-Methylisatin)
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Isatin Impurity 8 (6-Bromoisatin)
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Isatin Impurity 11 (5-Methylisatin)
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Isatin Impurity 13 (4-Chloroisatin)
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Isatin Impurity 15 (4-Bromoisatin)
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Isatin Impurity 22
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Isatin Impurity 23
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Isatin Impurity 24
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Isatin Impurity 25
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14 reference standards
Frequently asked
How many Isatin-related reference standards do you hold?
14 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 14 of them and 14 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply an Isatin impurity that is not listed here?
Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.
What documentation is supplied with Isatin impurities?
Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.
Do you publish prices or a lead time for Isatin impurities?
No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to sales@rssechem.com.