Description

(21R)-29-Norhopane-3,22-Dione is a high-purity, specialized triterpenoid derivative belonging to the hopane class of natural products. This compound serves as a critical reference standard and synthetic intermediate for advanced research and development in life sciences. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and analytical service providers working on biomarker studies, natural product chemistry, and novel therapeutic pathways.

Application

• Biomarker Research & Geochemistry: Used as a diagnostic molecular fossil (hopanoid) in petroleum and environmental studies to assess organic matter maturity and source.
• Pharmaceutical Reference Standard: Serves as a high-purity analytical standard for the identification and quantification of hopanoid derivatives in complex matrices.
• Organic Synthesis Intermediate: Acts as a key chiral building block for the semi-synthesis of more complex bioactive triterpenoids and their analogs.
• Academic & Industrial R&D: Employed in studies investigating the biological activity, biosynthesis, and chemical modification of pentacyclic triterpenes.
• Analytical Method Development: Utilized for calibrating instruments (GC-MS, HPLC) and validating analytical methods in natural product analysis.

Basic Information

Product Name	(21R)-29-Norhopane-3,22-Dione
CAS No.	60686-85-3
Molecular Formula	C29H46O2
Molecular Weight	426.68 g/mol
Synonyms	29-Norhopane-3,22-dione; (21R)-29-Norhopan-3,22-dione; 3,22-Dioxo-29-norhopane; Hopan-29-oic acid, 3,22-dioxo- derivative; Norhopanedione; Triterpenoid hopane derivative; 29-Norhopane-3,22-dione (21R isomer)
EINECS	Contact for details

Quality Control

Every batch of (21R)-29-Norhopane-3,22-Dione is produced and controlled under a strict quality management system. Our products undergo rigorous quality testing including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all analytical results are available upon request, supporting compliance with research and development standards.

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 crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
Loss on Drying	≤ 1.0%

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