Description

2,4-Dibromoestradiol CAS NO 19590-55-7 is a brominated derivative of the natural hormone estradiol, serving as a key synthetic intermediate and research chemical. This compound is valued for its utility in developing novel steroid-based pharmaceuticals and as a precise molecular tool in biochemical research. It is primarily required by pharmaceutical R&D laboratories, academic institutions, and fine chemical manufacturers engaged in steroid chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and probe in studies investigating estrogen receptor binding, metabolism, and signal transduction pathways.
• Hormone Analog Development: Serves as a precursor for creating modified estradiol analogs with altered biological activity or metabolic stability.
• Academic & Contract Research: Employed in university and CRO settings for fundamental research in endocrinology, oncology, and medicinal chemistry.
• Fine Chemical Synthesis: Utilized in multi-step organic syntheses to introduce specific bromine functionalities into complex steroid frameworks.

Basic Information

Product Name	2,4-Dibromoestradiol
CAS No.	19590-55-7
Molecular Formula	C18H22Br2O2
Molecular Weight	430.18 g/mol
Synonyms	Estra-1,3,5(10)-triene-3,17β-diol, 2,4-dibromo-; 2,4-Dibromo-17β-estradiol; 2,4-Dibromoestra-1,3,5(10)-triene-3,17β-diol; NSC 112682; 2,4-Dibromo-E2; 2,4-DiBromo Estradiol
EINECS	Contact for details

Quality Control

Our 2,4-Dibromoestradiol 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 stringent requirements of research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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