

share
(16B,17A)-Estra-1,3,5(10)-Triene-3,16,17-Triol CAS NO 793-89-5
Unit Price:
CAS No.:793-89-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
(16B,17A)-Estra-1,3,5(10)-Triene-3,16,17-Triol is a high-purity steroidal triol compound, a key intermediate in the synthesis of specialized pharmaceutical agents and research biochemicals. Its precise stereochemistry and functional groups make it a critical building block for developing novel therapeutic compounds and conducting advanced endocrinology research. This product is essential for pharmaceutical R&D laboratories, fine chemical synthesis facilities, and academic institutions focused on steroid chemistry and hormone-related studies.
Application
- Pharmaceutical Intermediate: A crucial precursor in the synthesis of complex steroidal drugs and active pharmaceutical ingredients (APIs).
- Biochemical Research: Used as a reference standard and starting material in studies of estrogen metabolism, receptor binding, and steroidogenesis.
- Fine Chemical Synthesis: Serves as a versatile chiral building block for creating novel chemical entities with potential biological activity.
- Reference Standard: Employed in analytical laboratories for method development, calibration, and quality control of related steroid compounds.
- Academic Research: Facilitates investigations in medicinal chemistry, endocrinology, and developmental biology within university and institutional settings.
Basic Information
| Product Name | (16B,17A)-Estra-1,3,5(10)-Triene-3,16,17-Triol |
| CAS No. | 793-89-5 |
| Molecular Formula | C18H24O3 |
| Molecular Weight | 288.38 g/mol |
| Synonyms | 16β,17α-Estriol; 16β,17α-Estra-1,3,5(10)-triene-3,16,17-triol; 16β-Hydroxy-17α-estradiol; 16-epi-Estriol; 16β,17α-Dihydroxyestra-1,3,5(10)-trien-3-ol; NSC 12169; 3,16β,17α-Trihydroxyestra-1,3,5(10)-triene |
| EINECS | 212-342-7 |
Quality Control
Our (16B,17A)-Estra-1,3,5(10)-Triene-3,16,17-Triol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). For long-term storage, consider storage at 2-8°C under an inert atmosphere to maximize stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time matches reference standard |
| Purity (HPLC) | ≥ 98.0% |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Specific Rotation | Contact for details |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Pregabalin Ep Impurity A CAS NO 181289-23-6


Sulfamethazine-N4-Acetyl CAS NO 100-90-3


Pseudomorphine (Morphine Impurity) CAS NO 125-24-6


Dextrorphan D-Tartrate CAS NO 125-73-5


8-Acetyl Ludaconitine CAS NO 127-29-7


Oxythiamine Hydrochloride CAS NO 136-16-3


Dl-Normetanephrine Hydrochloride CAS NO 1011-74-1


Hydrochlorothiazide Impurity G CAS NO 1025-75-8


Prednisone Impurity 24 CAS NO 1058-04-4


Cinepazide Impurity 5 CAS NO 1078-64-4


n-Nitrosodiethanolamine CAS NO 1116-54-7


10-Hydroxynortriptyline CAS NO 1156-99-6


Nicorandil Impurity 16 CAS NO 1157-74-0


16-Dehydro Pregnenolone Acetate Impurity 3 CAS NO 1173-11-1


17Beta-Hydroxy-4-Androsten-3-One 17-D-Glucuronide CAS NO 1180-25-2


6,6',12'-Trimethoxy-2-Methyloxyacanthan-7-Ol CAS NO 1183-76-2


Thiamine Impurity 27 CAS NO 1196-75-4


4-Hydroxytriamterene CAS NO 1226-52-4


Betamethasone Impurity 7 CAS NO 1249-19-0


Benzocaine Impurity D CAS NO 1333-08-0
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.






