Description

Dl-Estradiol CAS NO 17916-67-5 is a synthetic, racemic mixture of the estrogen steroid hormone estradiol. This compound is a critical intermediate and reference standard in pharmaceutical research and development. It is primarily utilized by manufacturers and R&D laboratories in the life sciences sector for the synthesis of more complex steroid derivatives and for analytical purposes.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of various steroidal drugs and hormone therapies.
• Biochemical Research: Used as a reference standard in studies investigating estrogen receptor binding, metabolic pathways, and endocrine function.
• Analytical Standard: Employed in quality control laboratories for method development, calibration, and verification in HPLC, GC, and MS analyses.
• Academic & Institutional Research: Utilized in universities and research institutes for fundamental studies in chemistry, biology, and pharmacology.

Basic Information

Product Name	Dl-Estradiol
CAS No.	17916-67-5
Molecular Formula	C18H24O2
Molecular Weight	272.38 g/mol
Synonyms	(±)-Estradiol; Racemic Estradiol; DL-17β-Estradiol; (8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol; 3,17β-Dihydroxyestra-1,3,5(10)-triene; Estr-1,3,5(10)-triene-3,17β-diol (racemate)
EINECS	Contact for details

Quality Control

Our Dl-Estradiol is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity assessment by chromatographic techniques, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Related Substances (HPLC)	Total impurities ≤2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.