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Paracetamol impurities and related standards

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

CAS numbers are listed for 13 of 13; 12 entries carry a structure drawing.

Paracetamol — related standards
CompoundCAS No.Catalogue No.FormulaMW
Paracetamol EP Impurity D 103-84-4 RS-P036001 C8H9NO 135.17
Paracetamol EP Impurity I 118-93-4 RS-P036002 C8H8O2 136.15
Paracetamol EP Impurity B 1693-37-4 RS-P036003 C9H11NO2 165.19
Paracetamol EP Impurity M 1752-24-5 RS-P036004 C12H11NO2 201.22
Paracetamol Impurity O 2575516-61-7 RS-P036005 C16H16N2O4 300.31
Paracetamol Impurity H 2623-33-8 RS-P036006 C10H11NO3 193.2
Paracetamol EP Impurity N 3070-86-8 RS-P036007 C16H16N2O3 284.31
Paracetamol EP Impurity G 34523-34-7 RS-P036008 C8H9NO2 151.17
Paracetamol EP Impurity C 3964-54-3 RS-P036009 C8H8ClNO2 185.61
Paracetamol EP Impurity J 539-03-7 RS-P036010 C8H8ClNO 169.61
Paracetamol Impurity A 614-80-2 RS-P036012 C8H9NO2 151.17
Paracetamol Impurity E 99-93-4 RS-P036013 C8H8O2 136.15
Paracetamol Impurity 73 60908-35-2 RS-P036011 C10H10N2O7 270.2

Structures

Frequently asked

How many Paracetamol-related reference standards do you hold?
13 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 13 of them and 12 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Paracetamol 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 Paracetamol 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 Paracetamol 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].