

share
Ulipristal CAS NO 159811-51-5
Unit Price:
CAS No.:159811-51-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Ulipristal is a selective progesterone receptor modulator (SPRM) with significant therapeutic applications. This compound matters for its targeted mechanism of action, offering a high degree of biological specificity and efficacy. It is primarily needed by pharmaceutical manufacturers and research institutions engaged in developing treatments for gynecological conditions and emergency contraception.
Application
- Active Pharmaceutical Ingredient (API): Core component in the manufacture of prescription medications for emergency contraception (e.g., ella®).
- Gynecological Therapeutics: Used in the development and production of treatments for uterine fibroids (leiomyomas) and related conditions.
- Hormone Receptor Research: A critical reference standard and tool compound in preclinical studies investigating progesterone receptor pathways.
- Pharmaceutical Development: Serves as a key intermediate or final API in formulation R&D for novel drug delivery systems.
- Clinical Trial Materials: Supplied as a high-purity compound for use in regulated clinical research and trials.
- Reference Standard: Utilized in analytical laboratories for method development, validation, and quality control testing of pharmaceutical products.
Basic Information
| Product Name | Ulipristal |
| CAS No. | 159811-51-5 |
| Molecular Formula | C29H35NO4 |
| Molecular Weight | 461.59 g/mol |
| Synonyms | Ulipristal Acetate; CDB-2914; VA-2914; 17α-Acetoxy-11β-[4-(N,N-dimethylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione; PGL4001; 11β-[4-(Dimethylamino)phenyl]-17α-hydroxy-19-norpregna-4,9-diene-3,20-dione 17-acetate |
| EINECS | Contact for details |
Quality Control
Our Ulipristal is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for assay and related substances, to ensure compliance with pharmaceutical-grade standards. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to reference standard |
| Identification (HPLC) | Retention time matches reference |
| Assay (HPLC) | ≥98.0% |
| Related Substances (HPLC) | Total impurities ≤2.0% |
| Single Unknown Impurity | ≤0.5% |
| Water Content (KF) | ≤1.0% |
| Residue on Ignition | ≤0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Mifepristone CAS NO 84371-65-3


1-(4-Isopropyl-1-Methyl-4-Pentenyl)-3A,6,6,12A-Tetramethyltetradecahyd Ro-1H-Cyclopenta[A]Cyclopropa[E]Phenanthren-7-Yl Acetate CAS NO 1259-94-5


3-Hydroxy-1,2-Dimethylestra-1,3,5(10),6-Tetren-17-One CAS NO 1818-09-3


Quingestanol CAS NO 10592-65-1


Azastene CAS NO 13074-00-5


18-Methyl Mestranol CAS NO 14009-70-2


Cloponone CAS NO 15301-50-5


Ulipristal Acetate CAS NO 126784-99-4


Drospirenone/Ethinyl Estradiol CAS NO 164017-31-6


Estratriene-2,3,14,15,16,17-Hexaol CAS NO 176219-89-9


Aromatic Gestodene CAS NO 1421283-59-1


Ulipristal Acetate 17-Belta Isomer CAS NO 1655514-84-3


Ethynodiol Diacetate CAS NO 297-76-7


Ethinodiol 17-Acetate CAS NO 2061-46-3


Metynodiol CAS NO 23163-42-0


(8S,9S,13S,14S)-17-Ethynyl-3-Methoxy-13-Methyl-7,8,9,11,12,14,15,16-Octahydro-6H-Cyclopenta[A]Phenanthrene-2,17-Diol CAS NO 26011-40-5


Ethynerone CAS NO 3124-93-4


Centchroman CAS NO 31477-60-8


Hydromadinone Acetate CAS NO 33125-90-5


Modicon CAS NO 37270-71-6
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






