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White Estriol CAS 50-27-1 White Powder USP Standard 99% Assay Ready to Ship

Name: White Estriol CAS 50-27-1 White Powder USP Standard 99% Assay Ready to Ship
Brand: HyperChem
SKU: pr2512301358
Price: 10 USD
Availability: InStock

TDS 4 Inquiries

Unit Price: Get Latest Price 

CAS No.:

50-27-1

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Brand:

HyperChem

Packaging:

1kg/Bag, 25kg/drum

Price valid (until):

2026-01-30

Contact Supplier

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Hangzhou Hyper Chemicals Limited

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

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Product Description
Seller Information
Inquiry History

Description

Name	Estriol
CAS number	50-27-1
EINECS number	200-022-2
Synonym	E3;ESTRIOL;ESTRA-1,3,5(10)-TRIENE-3,16,17-TRIOL;ESTRA-1,3,5(10)-TRIENE-3,16ALPHA,17BETA-TRIOL;TRIDESTRIN;ESTRIOL(P);EstrChemicalbookiol,1,3,5(10)-Estratriene-3,16α,17β-triol,16α-Hydroxyestradiol,3,16α,17β-Trihydroxy-1,3,5(10)-estratriene;Estriol
Description	Estriol is a natural hormone that is a metabolite of estradiol in the body, mainly present in urine.
Structure
Molecular Formula	C18H24O3
Molecular Weight	288.38 g/mol
Appearance	White powder
Quality Standard	USP
Assay	99.66%
Shipping Condition	Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition	Dry, dark and at 2~8 ℃ for short term (days to weeks) or -20 ℃ for long term (months to years).
Sample package	Aluminium foil bag
Commercial package	Aluminium Tin, Fiber drum
Origin	China

Estradiol More Info

Estriol (or oestriol) is a natural estrogen hormone, primarily produced in large amounts during pregnancy to support fetal and uterine health, but it's present in undetectable levels otherwise, acting as a weaker estrogen than estradiol. It's used in Hormone Replacement Therapy (HRT) for menopausal symptoms (like vaginal dryness) and explored for autoimmune conditions, often topically, but it's generally considered less potent than estradiol.

Uses

Pregnancy: Crucial for growing the uterus and preparing the body for childbirth.

Hormone Replacement Therapy (HRT): Alleviates menopause symptoms like vaginal dryness, especially in topical forms.

Autoimmune Conditions: Investigated for potential benefits in multiple sclerosis (MS) and other autoimmune diseases due to its immunomodulatory properties.

Veterinary Medicine: Used to treat urinary incontinence in spayed female dogs.

Side Effects

Common Side Effects: Nausea, vomiting, breast tenderness, headaches, vaginal spotting, stomach upset, skin rash, leg pain, or difficulty breathing/swallowing.

Product Image

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FAQ

Q1. Can I get a free sample?

We can send you a samll free sample, and you only need to pay for the shipping cost.

Q2. What is the HyperChem payment term?

T/T in advance
LC at sight
DP at sight

Bank transfer

PayPal

Bitcoin...

Q3. What is HyperChem shipment policy?

Our policy is to strive for the quickest shipment time possible.

For ready stock samples, they are usually shipped within 3 working days after payment received.
For non-ready stock, please contact HyperChem sales team to negotiate.

Q4. What is HyperChem shipment term?

By Express
FedEx UPS DHL EMS
Fast: 3-7 days around, high cost, door to door service

By Air
Suitable for more than 50kg
Fast: 3-7 days, hight cost, port to port, professional broker needed

By Sea
Suitable for more than 500kg
Fast: 7-45 days, low cost, port to port, professional broker needed

We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.

Q5. What HyperChem will provide after shipment?

For sample orders:
After shipment is done, an timely email including:

1. Track details (Fedex /TNT/DHL/EMS Track number)
2. Packaging photo
3. COA, MSDS, etc
4. Dispatch date & Estimated arriving time
5. Shipping invoice

For commercial orders:
A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.

Company Profile

Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to cater to the requirements of our diverse range of clients.

Among them, our key client industrial sectors around the global are:

Pharmaceuticals
Nutrition Ingredients/ Dietary supplements
Cosmetic Ingredients
Food Ingredients
Veterinary API
Agriculture fertilizer
Custom Synthesis lab supply

HyperChem provides to its wonderful and honorable clients comprehensive purchasing and distribution services which ensure that we are delivering the right generic, raw, or customized product, make sure that we are delivering it at the right time, ensure that it is delivered in the specified amount, and in the right kind of packaging to clients and customers of all types of industries irrespective of their size of operation.

Certificates

Basic Info

Product Name:

Estriol

Other Name:

Estra-1,3,5(10)-triene-3,16,17-triol,(16α,17β)-;Estriol;(16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol;Destriol;Estra-1,3,5(10)-triene-3,16α,17β-triol;Estratriol;Follicular hormone hydrate;OE3;Ovestin;Theelol;Tridestrin;3,16α,17β-Trihydroxyestra-1,3,5(10)-triene;Trihydroxyestrin;16α,17β-Estriol;3,16α,17β-Estriol;NSC 12169;16α-Estriol;16α-Hydroxyestradiol;Holin V;13β-Methyl-1,3,5(10)-gonatriene-3,16α,17β-triol;Oestriol;Colpogyn;Ortho-Gynest;Gynasan;Aacifemine;Oekolp;Triovex;Hormomed;Klimoral;Klimax E;Ovesterin;Ovo-Vinces;Incurin;Estriel;Ovestrion;1050676-52-2

CAS No.:

50-27-1

Molecular Formula:

C18H24O3

InChIKeys:

InChIKey=PROQIPRRNZUXQM-ZXXIGWHRSA-N

Molecular Weight:

288.38100

Exact Mass:

288.38

EC Number:

200-022-2

UNII:

FB33469R8E

NSC Number:

12169

DSSTox ID:

DTXSID9022366

Color/Form:

Leaflets from alcohol|Very small monoclinic crystals from dilute alcohol|White, microcrystalline powder

ATC Code:

QG03CA04|G03CA04|G - Genito urinary system and sex hormones

HScode:

29072990

Categories:

Hormones and the Endocrine System

Characteristics

PSA:

60.69000

XLogP3:

2.58000

Appearance:

Solid

Density:

1.27 g/cm³

Melting Point:

282 °C

Boiling Point:

469ºC at 760 mmHg

Flash Point:

220.8ºC

Refractive Index:

1.624

Water Solubility:

In water, 27.34 mg/L at 25 deg C (est)

Storage Conditions:

-20ºC Freezer

Vapor Pressure:

9.93X10-12 mm Hg at 25 deg C (est)

Toxicity:

LD50 oral in rat: > 2gm/kg

Specific rotation:

Specific optical rotation at D (sodium) line: +58 deg, +/-5 deg (0.04 g in 1 mL dioxane)

Odor:

Odorless

Henrys Law Constant:

Henry's Law constant = 1.33X10-12 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

pKa = 10.54 (est)

Experimental Properties:

During heating on the microscope heating stage, rearrangement of the crystal structure takes place at 270 °C and 275 °C (rate of heating 4 °C/min, Kofler microscope heating stage).|Precipitated by digitonin|Crystals from 90% alcohol, mp 126 °C /Estriol triacetate/

See More Estriol Properties 

Hazard Identification

Classification of the substance or mixture

Carcinogenicity, Category 2

Reproductive toxicity, Category 1A

Reproductive toxicity, Additional category for effects on or via lactation

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H351 Suspected of causing cancer H360 May damage fertility or the unborn child H362 May cause harm to breast-fed children
Prevention	P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P260 Do not breathe dust/fume/gas/mist/vapours/spray. P263 Avoid contact during pregnancy and while nursing. P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product.
Response	P318 IF exposed or concerned, get medical advice.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Do not store above 25 deg C.

See More Estriol Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

Location:
Rm. 803, Tower 4, LOFT49 Creative City Pioneer Zone, No.88 Jiru Rd. Gongshu Dist., Hangzhou, 310015 ZJ, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$5 million-$10 million

Total Employees:
11-50

Year of Establishment:
2013

Certifications:
Certification Report by Bureau Veritas

About HyperChem

Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to meet the needs of a diverse range of pharmaceutical cosmetics ingredients and nootropic supplements companies worldwide.

Our Competitiveness

One-stop supply

Wide Range Of products including pharmaceutical, Cosmetic Ingredients and nootropic supplements

Among all the pharmaceuticals,

90% of them with GMP certificates,

85% of them with DMF files and

50% of them passed FDA approval,

30% get CEP certificate

20% are new R&D products.

Custom Repackaging Service

We can efficiently repackage your material into sample sizes, custom batch-specific sizes, or semi-bulk package sizes according to your specifications. And ensures the product is packaged in a quality-controlled environment and will maintain its integrity throughout every stage of the process.

Quality Control/Quality Assurance

HyperChem is committed to delivering on its promises of top-quality products with verified quality data.

All materials are vigorously inspected by the factory and/or outsourced analytical laboratories to ensure each and every lot meets or exceeds our reference standards.

Trade assurance service with 100% payment protection, It is best achieved by delivering products and services 100% right the first time, on time, every time.

Professional

Transparent Communication

Fast Reaction,

Professional Suggestion

Beyond Expectation.

We have exclusive partnerships with research and production facilities across the country and we offer varied pharmaceutical services in the most cost-efficient way. The production facilities are GMP, WHO-GMP, EU GMP and US FDA approved and are backed by strong regulatory support such as Dossier, DMF, Tech Pack and relevant Stability studies for regulatory filings.

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	Estriol	1 KG	Mar 16, 2026
United States	Estriol	100 G	Jul 20, 2023
Australia	estriol	90 G	Feb 23, 2026
United States	Estriol	1 KG	Jul 4, 2026

Post an enquiry for this product

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White Estriol CAS 50-27-1 White Powder USP Standard 99% Assay Ready to Ship

Product Description

Seller Information