Ulipristal

Name: Ulipristal
Brand: Vaqora Chemicals
SKU: VQ-034485

About Ulipristal

Ulipristal (CAS 159811-51-5) is a high-purity reference standard of Ulipristal offered by Vaqora Chemicals. The compound has the formula C28H35NO3, corresponding to a molecular weight of 433.6 g/mol. It is also known as Ulipristal acetate ulipristal or PGL 4001.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Ulipristal standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ulipristal is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ulipristal

View every impurity, metabolite and intermediate we list for Ulipristal.

Ulipristal impurities

Specifications & identifiers

Chemical identifiers
Product name	Ulipristal
Catalogue No.	VQ-034485
CAS Number	159811-51-5
IUPAC name	(8S,11R,13S,14S,17R)-17-acetyl-11-[4-(dimethylamino)phenyl]-17-hydroxy-13-methyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₈H₃₅NO₃
Molecular weight	433.6 g/mol
Exact mass	433.2617
Grade	Reference Standard
HSN code	38229090
InChIKey	HKDLNTKNLJPAIY-WKWWZUSTSA-N
SMILES	CC(=O)[C@]1(CC[C@@H]2[C@@]1(C[C@@H](C3=C4CCC(=O)C=C4CC[C@@H]23)C5=CC=C(C=C5)N(C)C)C)O
PubChem CID	13559281

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	1 / 4
TPSA	57.6 Å²
Synonyms	Ulipristal acetate ulipristal, 17alpha-acetoxy-11beta-(4-N,N-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione, 11-beta-(4-(dimethylamino)phenyl)-17-hydroxy-19-norpregna-4,9-diene-3,20-dione, PGL 4001, 11beta-(4-(Dimethylamino)phenyl)-17-hydroxy-19-norpregna-4,9-diene-3,20-dione, 11beta-[4-(Dimethylamino)phenyl]-17-hydroxy-19-norpregna-4,9-diene-3,20-dione, Deacetyl CDB-2914, 19-Norpregna-4,9-diene-3,20-dione, 11-[4-(dimethylamino)phenyl]-17-hydroxy-, (11beta)-, (11b)-11-[4-(Dimethylamino)phenyl]-17-hydroxy-19-norpregna-4,9-diene-3,20-dione, 19-Norpregna-4,9-diene-3,20-dione, 11-[4-(dimethylamino)phenyl]-17-hydroxy-, (11, A)-, 11

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H361Suspected of damaging fertility or the unborn child
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P321, P330, P332 + P317, P337 + P317, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ulipristal?

The CAS Registry Number of Ulipristal is 159811-51-5. It is also known as Ulipristal acetate ulipristal, 17alpha-acetoxy-11beta-(4-N,N-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione, 11-beta-(4-(dimethylamino)phenyl)-17-hydroxy-19-norpregna-4,9-diene-3,20-dione.

What is the molecular formula and molecular weight of Ulipristal?

Ulipristal has the molecular formula C28H35NO3 and a molecular weight of 433.6 g/mol. Its IUPAC name is (8S,11R,13S,14S,17R)-17-acetyl-11-[4-(dimethylamino)phenyl]-17-hydroxy-13-methyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one.

What is Ulipristal used for?

Ulipristal is supplied as a characterised reference material related to Ulipristal. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ulipristal can I order?

We supply Ulipristal in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ulipristal?

Yes. Every lot of Ulipristal is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ulipristal be shipped internationally?

Yes. Ulipristal is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.