Product Overview
Estradiol Cypionate API is an ester derivative of 17β-estradiol, not of multiple estrogens.
It is offered as a single high-purity active pharmaceutical ingredient.
It is made for controlled, slow-release use in formulation work.
This API is made through reliable processes and thoroughly tested for strength, consistency, and quality.
It is ideal for use in pharmaceutical production under stringent regulations, as well as for long-term use of pharmaceutical formulations.
Therapeutic Applications
Estradiol Cypionate API is used to make medicines that require stable estrogenic effects.
It helps to manufacture drugs that address low estrogen levels, Management of menopausal symptoms, bone mineral density support.
The long-acting ester form enables controlled release.
This makes the API ideal for products designed for steady estrogen delivery in regulated manufacturing.
Specification Parameters
The criteria for the Estradiol Cypionate API are the main components of the product, its purity, and its quality.
This is the way to make sure that any drugs made from it are safe and can be trusted.
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CAS Number: 313-06-4
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Chemical Name (IUPAC): (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl cyclopropanecarboxylate
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Molecular Formula: C₂₆H₃₆O₃
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Molecular Weight: About 396.57 g/mol
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Appearance: A white to off-white crystalline powder with a smooth texture.
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Purity Level: High purity, typically not less than 99% for pharmaceutical use.
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Solubility: Slightly soluble in water and easily soluble in organic solvents.
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Manufacturing Standard: Made under GMP rules for consistent batches and quality control.
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Assay Method: Determined by HPLC with UV detection; GC may be used as an alternative where applicable
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Related Substances / Impurities: Controlled by HPLC; includes estradiol, estrone, and ester-related impurities within pharmacopeial limits
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Residual Solvents: Complies with ICH Q3C and USP <467> requirements
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Elemental Impurities: Controlled as per ICH Q3D risk-based assessment
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Loss on Drying / Water Content: Not more than 0.5% w/w
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Identification Tests: Confirmed by IR spectroscopy, HPLC retention time, and specific rotation as per pharmacopeial standards
Packaging & Storage
The packaging of Estradiol Cypionate API should be done in fiber drums.
There is a liner inside to prevent contamination. The packaging protects the material from light, air, and moisture during handling and transportation.
The API needs to be stored at a temperature that is kept under control, controlled room temperature (20°C to 25°C).
It should also be in a cool, dry place so that it can be kept stable and of good quality for a long time.
Why Choose Us
Actiza Industry provides top-notch Estradiol Cypionate API. We have a strong global presence and trusted systems.
Our focus is on quality, reliability, and building long-term partnerships.
Global Reach
We provide Estradiol Cypionate API to more than 40 countries, serving various regulated markets.
We have a robust export network. It lets us communicate well, set up reliable shipping, and ensure timely deliveries to customers around the globe.
Proven Experience
Actiza Industry has over 12 years of experience in API manufacturing and supply.
Our knowledge ensures stable quality, clear documentation, and reliable support for every order.
Quality Assurance
We produce our APIs in compliance with very strict quality systems and international standards.
Each batch is checked for Assay, purity, and consistency.
This ensures clients can fully trust the stability of their formulations over time.
Wide Portfolio
We have more than 2,000 product lines and 550+ ready dossiers, making the process of sourcing very simple.
Our products help clients grow faster with trustworthy APIs and regulatory support.
