Description

17-Acetoxy-21-Hydroxy-3-Methoxyimino-6β-Methylpregn-4-En-20-One is a high-purity steroid derivative, also known as 17-Acetoxy-21-Hydroxy-3-Methoxyimino-6β-Methylpregn-4-En-20-One CAS NO 74299-08-4. This compound serves as a critical pharmaceutical intermediate in the synthesis of advanced corticosteroid APIs, valued for its specific functional groups that enable targeted chemical modifications. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the production of anti-inflammatory and immunosuppressive medications.

Application

• Key Intermediate in Corticosteroid Synthesis: A vital building block for manufacturing advanced glucocorticoids and related steroid-based active pharmaceutical ingredients (APIs).
• Pharmaceutical Research & Development: Used in medicinal chemistry for the discovery and development of new steroid-derived therapeutics with modified potency and metabolic profiles.
• Process Chemistry & Scale-Up: Employed in the optimization and commercial-scale production of established steroid drugs, ensuring consistent quality and yield.
• Reference Standard: Serves as a high-purity analytical standard for quality control and regulatory testing in pharmaceutical manufacturing.
• Fine Chemical Synthesis: Utilized in specialized organic synthesis to create novel steroid analogs for biological evaluation.

Basic Information

Product Name	17-Acetoxy-21-Hydroxy-3-Methoxyimino-6β-Methylpregn-4-En-20-One
CAS No.	74299-08-4
Molecular Formula	C₂₆H₃₉NO₆
Molecular Weight	461.60 g/mol
Synonyms	6β-Methylprednisolone 17-Acetate 3-Methoxyimine; 6β-Methylprednisolone 17-acetate 3-(O-methyloxime); 17α,21-Dihydroxy-6β-methylpregna-1,4-diene-3,11,20-trione 17-acetate 3-(O-methyloxime); 6β-Methylprednisolone 17-acetate 3-methyloxime; Prednisolone Derivative 74299-08-4; 6β-Methyl-17α-acetoxy-21-hydroxy-3-methoxyiminopregna-4-ene-11,20-dione
EINECS	Contact for details

Quality Control

Our 17-Acetoxy-21-Hydroxy-3-Methoxyimino-6β-Methylpregn-4-En-20-One is manufactured under strict quality systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure compliance with stringent specifications suitable for pharmaceutical intermediate use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and quality assurance for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

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

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