Based on the provided information, it appears that the CAS number is not available. However, I can still generate a product description for (R)-g-(3-Phenylallylbenzyl)-L-proline·HCl based on its name and known properties.

(R)-g-(3-Phenylallylbenzyl)-L-proline·HCl is a chiral proline derivative that has garnered attention in the field of medicinal chemistry and pharmaceutical research. This compound is recognized for its potential as a building block in the synthesis of bioactive molecules, particularly in the development of novel pharmaceuticals targeting various diseases. Its unique structure allows for enhanced interactions with biological targets, making it a valuable candidate in drug discovery processes.

Researchers have utilized (R)-g-(3-Phenylallylbenzyl)-L-proline·HCl in the synthesis of peptide mimetics and other complex organic compounds, showcasing its versatility in organic synthesis. Its hydrochloride salt form enhances solubility, facilitating easier handling and incorporation into various formulations. The compound's ability to act as a chiral auxiliary further underscores its importance in asymmetric synthesis, providing a pathway for the creation of enantiomerically pure compounds.