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Ramelteon impurities and related standards

8 reference standards related to Ramelteon held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

CAS numbers are listed for 8 of 8; 3 entries carry a structure drawing.

Ramelteon — related standards
CompoundCAS No.Catalogue No.FormulaMW
Ramelteon Impurity 44 1346598-94-4 RS-R025006 C18H23NO3 301.38
Ramelteon Impurity 30 1356394-92-7 RS-R025007 C13H16O2 204.26
Ramelteon Impurity 45 15480-25-8 RS-R025008 C11H8O2 172.18
Ramelteon Impurity 35 1053239-38-5 RS-R025001 C13H15NO2 217.26
Ramelteon Impurity 4(hydrochloride) 1053239-39-6 RS-R025002 C13H17NO.HCl 203.28
Ramelteon Impurity 51 1092484-10-0 RS-R025003 C13H15NO 201.26
Ramelteon Impurity 39 1092507-02-2 RS-R025004 C13H14O3 218.25
Ramelteon Impurity 26 1092507-03-3 RS-R025005 C13H14O3 218.25

Structures

Frequently asked

How many Ramelteon-related reference standards do you hold?
8 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 8 of them and 3 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Ramelteon 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 Ramelteon 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 Ramelteon 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 [email protected].