HRS 4642 impurities and related standards
12 reference standards related to HRS 4642 held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 11 general reference standards · 1 impurity reference standard. CAS numbers are listed for 12 of 12; 12 entries carry a structure drawing.
On this page
12 reference standards
All entries — structure, identifiers and pack sizes
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HRS 4642
BACK ORDERRS-Z406UK1 -
HRS 4642 Impurity 17
BACK ORDERRS-H135001 -
HRS 4642 Impurity 18
IN STOCKRS-Z401H8C -
HRS 4642 Impurity 22
BACK ORDERRS-Z401H33 -
HRS 4642 Impurity 52
BACK ORDERRS-Z401H2X -
HRS 4642 Impurity 57
IN STOCKRS-Z401H7E -
HRS 4642 Impurity 78
BACK ORDERRS-Z401H7D -
HRS 4642 Impurity 120
IN STOCKRS-Z401H7G -
HRS 4642 Impurity 127
IN STOCKRS-Z401H7F -
HRS 4642 Impurity 206
BACK ORDERRS-Z401HJE -
HRS 4642 Impurity 210
BACK ORDERRS-Z401H8E -
HRS 4642 Impurity 213
IN STOCKRS-Z401H84
12 reference standards
Frequently asked
How many HRS 4642-related reference standards do you hold?
12 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 12 of them and 12 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a HRS 4642 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 HRS 4642 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 HRS 4642 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.