Description

(-)-(1S 5R)-cis-Bicyclo[3.2.0]Hept-2-En- is a high-purity, chiral bicyclic olefin building block with the CAS number 71155-04-9. This compound is valued for its rigid, strained structure and defined stereochemistry, making it a critical intermediate in advanced organic synthesis. It is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for applications in asymmetric synthesis, catalyst development, and the construction of complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) and complex natural product analogs.
• Asymmetric Catalysis: Used as a ligand precursor or a substrate in the development and testing of novel chiral catalysts.
• Fine Chemical Synthesis: Serves as a versatile building block for creating specialty chemicals with specific stereochemical requirements.
• Academic & Industrial R&D: Employed in methodological studies and the discovery of new synthetic routes due to its unique bicyclic framework.
• Material Science Research: Investigated as a monomer or precursor for polymers with specialized thermal or mechanical properties.

Basic Information

Product Name	(-)-(1S 5R)-cis-Bicyclo[3.2.0]Hept-2-En-
CAS No.	71155-04-9
Molecular Formula	C7H10
Molecular Weight	94.15 g/mol
Synonyms	(-)-(1S,5R)-Bicyclo[3.2.0]hept-2-ene; (1S,5R)-(-)-cis-Bicyclo[3.2.0]hept-2-ene; (-)-cis-Bicyclo[3.2.0]hept-2-ene; (1S,5R)-Bicyclo[3.2.0]hept-2-ene; (1S,5R)-(-)-Bicyclo[3.2.0]hept-2-ene; (1S-cis)-Bicyclo[3.2.0]hept-2-ene; (-)-Bicyclo[3.2.0]hept-2-ene
EINECS	Contact for details

Quality Control

Our (-)-(1S 5R)-cis-Bicyclo[3.2.0]Hept-2-En- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing identity, purity, and enantiomeric excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Due to its highly volatile nature, keep the container tightly sealed and handle in a fume hood. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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