Ulipristal Impurity 8
- CAS1926157-83-6
- CatalogueRS-U115072
- FormulaC26H32O6
- MW440.54
On this page
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Product identification
| Product name | Ulipristal Impurity 8 |
|---|---|
| Catalogue No. | RS-U115072 |
| CAS No. | 1926157-83-6 |
| Molecular formula | C26H32O6 |
| Molecular weight | 440.54 |
| Exact mass | 440.2199 (monoisotopic) |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | Reference Standards |
| Drug substance | Ulipristal |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-U115072 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Ulipristal
- Standards by type (all categories)
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-U115072
- Request a quotation for RS-U115072
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Ulipristal
All 23 further standards are listed here — every link is in the page, not loaded later.
Ulipristal
BACK ORDERRS-U024070(17α)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxyestra-5(10),9(11)-diene-17-carbonitrile
CUSTOM SYNTHESISRS-U008939N-Desmethyl Ulipristal
BACK ORDERRS-U115001NNNN-Tetramethyl Benzidine AR
IN STOCKRS-U042592Ulipristal-d3 Acetate
BACK ORDERRS-I131003Ulipristal-d6 Acetate
BACK ORDERRS-I131012Ulipristal Impurity 1
CUSTOM SYNTHESISRS-Z412NR8Ulipristal Impurity 2
BACK ORDERRS-Z412NULUlipristal Impurity 3
BACK ORDERRS-U115013Ulipristal Impurity 3
BACK ORDERRS-Z412NUMUlipristal Impurity 14
IN STOCKRS-I001A3HUlipristal Impurity 14
IN STOCKRS-U115004Ulipristal Impurity 15
BACK ORDERRS-U115012Ulipristal Impurity 16
BACK ORDERRS-U115006Ulipristal Impurity 21
BACK ORDERRS-U115003Ulipristal Impurity 22
CUSTOM SYNTHESISRS-U115002Ulipristal Impurity 27
BACK ORDERRS-Z412NR9Ulipristal Impurity 29
IN STOCKRS-Z412OYPUlipristal Impurity 34
IN STOCKRS-U115009Ulipristal Impurity 37
CUSTOM SYNTHESISRS-U115005Ulipristal Impurity 53
CUSTOM SYNTHESISRS-U115008Ulipristal Impurity 55
IN STOCKRS-U115018Ulipristal Impurity 56
BACK ORDERRS-U115010
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.

![Chemical structure of (17α)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxyestra-5(10),9(11)-diene-17-carbonitrile](/structures/w4/ITBGBOBQGVJJRT-FYQPLNBISA-N.webp?v=11)

















