Description

Norgestrel 17-Cyclopentanecarboxylate CAS NO 88663-11-0 is a synthetic progestin steroid, specifically a 17α-hydroxyprogesterone derivative. This high-purity active pharmaceutical ingredient (API) is critical for the development and manufacturing of advanced hormonal therapeutics. It is primarily utilized by pharmaceutical companies and research institutions engaged in endocrinology, reproductive health, and oncology.

Application

• Pharmaceutical API: Core intermediate or active ingredient in hormonal contraceptives and hormone replacement therapies (HRT).
• Research Chemical: Used in biochemical and pharmacological studies to investigate progestin receptor activity and steroid metabolism.
• Drug Development: Serves as a key building block in the synthesis of novel steroidal drugs targeting specific hormonal pathways.
• Reference Standard: Employed as a certified reference material (CRM) in analytical laboratories for quality control and method validation.

Basic Information

Product Name	Norgestrel 17-Cyclopentanecarboxylate
CAS No.	88663-11-0
Molecular Formula	C25H34O4
Molecular Weight	398.54 g/mol
Synonyms	17α-Ethynyl-13β-ethyl-17β-hydroxy-4-gonen-3-one 17-cyclopentanecarboxylate; Norgestrel Cyclopentanepropionate; 13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one 17-cyclopentanecarboxylate; Levonorgestrel 17-Cyclopentanecarboxylate (related to the active enantiomer); Norgestrel 17α-Cyclopentanecarboxylate; Progestin CP; SH-850
EINECS	Contact for details

Quality Control

Our Norgestrel 17-Cyclopentanecarboxylate is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for assay and related substances, to ensure it meets stringent pharmaceutical-grade specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or GMP requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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