Simethicone impurities and related standards
23 reference standards related to Simethicone held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 23 of 23; 20 entries carry a structure drawing.
On this page
23 reference standards
All entries — structure, identifiers and pack sizes
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Simethicone Impurity 1 (Dimethylsilanediol)
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Simethicone Impurity 2
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Simethicone Impurity 4
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Simethicone Impurity 5
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Simethicone Impurity 6
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Simethicone Impurity 7
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Simethicone Impurity 18 (Ethoxytriethylsilane)
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Simethicone Impurity 19
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Simethicone Impurity 22
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Simethicone Impurity 23
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Simethicone Impurity 24
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Simethicone Impurity 25
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Simethicone Impurity 26
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Simethicone Impurity 27
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Simethicone Impurity 28
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Simethicone Impurity 35 (Chlorotriethylsilane)
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Simethicone Impurity 37
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Simethicone Impurity 39 (Hexachlordisilan)
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23 reference standards
Frequently asked
How many Simethicone-related reference standards do you hold?
23 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 23 of them and 20 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Simethicone 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 Simethicone 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 Simethicone 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.



















