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Human Growth Hormone Factory Supply Safe IngredientCosmetic Raw

TDS 18 Inquiries

Unit Price:

$20-25/G FOB

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CAS No.:

56-53-1

Grade:

Pharmaceutical Grade

Content:

99%

Port:

SHENZHEN

Brand:

Packaging:

vials

Sample Available:

Yes

Price valid (until):

2027-12-31

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Ti.ZhenBo

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Retatrutide,Acetic acid water,Tirzepatide

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Product Description
Seller Information
Inquiry History

Description

Sales manager :Lucky

Whatsapp:+852 5263 7787

Email:zhenbo202604@163.com

website： https://airmastercool.com/

Company Introduction

Qingdao Fengxi Biotechnology Co., Ltd.is a professional manufacturer and supplier specializing in high-purity peptide products and fine chemical raw materials. We integrate independent research and development, production, sales and global logistics to provide stable, reliable and cost-effective products for customers worldwide.

We own a professional R&D team and a mature international logistics system, ensuring stable product quality, safe packaging and fast delivery. Our products are widely exported to the United States, Europe, Japan, South Korea, India and other regions. Most mainstream peptide products are always in sufficient stock and support immediate shipment. We sincerely welcome global customers to inquire and customize, and we will provide you with the most competitive quotation based on your purchasing quantity.

Our peptide products are widely applied in life science research, pharmaceutical development, cosmetic raw materials, anti-aging industries and functional health fields. All products maintain stable purity and superior quality with favorable market prices. Our long-term cooperative customers have always given positive feedback on product quality, stability and after-sales service.

1. Superior Product Quality

Quality control is our core advantage. All peptides are synthesized by advanced solid-phase peptide synthesis (SPPS) technology, strictly purified by HPLC high-performance liquid chromatography and fully tested and verified by MS mass spectrometry.

Every batch of goods comes with complete official COA (Certificate of Analysis), including full test data:

- HPLC purity

- MS molecular weight confirmation

- Moisture / water content

- Residual solvent test

- Microbial limit test (as required)

For customers with high-standard laboratory and regulatory requirements, we can also provide third-party independent test reports, LAL endotoxin data and stability test documents.

2. Customization & R&D Support

We provide flexible one-stop custom synthesis services, supported by an experienced technical R&D team. We support customized peptide sequences, cosmetic-grade customized purity and various molecular modification technologies such as acetylation and PEGylation.

Our main technical services cover:

- Custom peptide synthesis (mg to kg large-scale production)

- Peptide modification and marker customization

- Small molecule compound synthesis

- New product research, project development and production scale-up

We always communicate closely with customers to ensure technical rationality, stable quality, fast cycle and reasonable cost control in the whole development process.

3. Wide Product Portfolio

We own a complete and continuously updated product line to meet diversified market demands:

- Research peptides & GLP-1 series: Semaglutide, Tirzepatide, Retatrutide and other weight-loss & blood-sugar regulating analog peptides

- Cosmetic peptides: Acetyl Hexapeptide-8, Matrixyl and anti-aging skin care peptides

- Anti-aging health raw materials: NMN, NR, NADH and NAD+ booster series

- Biochemical raw materials: Amino acid derivatives, enzyme materials and laboratory custom reagents

We continuously launch new products to follow the latest market trends, and support long-term batch reservation and stable supply for regular customers.

Items	Specifications
RT10	power
	10MG*10vuals

Shop Retatrutide Weight loss peptide Factory Supply Freeze dried powder-Detailed Image 1

Shop Retatrutide Weight loss peptide Factory Supply Freeze dried powder-Detailed Image 5

1.:We offer various types of peptides，about the peptides，we can provide the good quality，the good price.

Customers who have ordered our products（peptides）have had very good feedback.

World wide relaible buyers can contact us about the peptides.

2:Company advantages

Are you from these countries?United States, Canada, Spain, Portugal, Australia, Brazil, France, Netherlands, United Kingdom, Bulgaria, Norway, and more.

Good News! We guarantee smooth customs clearance in key destinations, including Germany and Finland, with no issues at all. Your packages will be securely delivered within 5-15 days.

Why Choose Us:

Fast Delivery: We ship your order quickly using DHL, FedEx, and other options. Most orders arrive in 5-15 days.

Customs Clearance: No customs problems! We make sure your order is delivered smoothly.

Easy Payment: Pay with Bitcoin,USDT, or bank transfer.

Good Quality: Our products are great, and we support small test orders.

3:FAQ

Q1:Are you a supplier or a manufacturer?

A:We are both a supplier and a manufacturer.

Q2:How will you deliver the goods?

A:We have strong cooperation with Special express line, FEDEX, China Air Post. For container products, we can do sea shipping. You also can choose your own shipping forwarder.

Q3:Which kind of payment terms do you accept?

A:, Bitcoin.USDT.Alipay

Q4:How is the after-sales service?

A:We will provide high-quality products and ensure 100% safe deliver.

Q5:how can we guarantee quality?

A:We will send you a COA (Certificate of Analysis) to you first for you to confirm the quality.

Q6: How to confirm the Product Quality before placing orders?

A:You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q7:Is there any discount?

A:Yes, for larger quantity, we always support with better price

ECHEMI Editorial Reference

Diethylstilbestrol, a synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders.Target: Estrogen Receptor/ERRDiethylstilbestrol (DES), a synthetic estrogen that was used in pregnancy, is a prototype endocrine-disrupting chemical. Although prenatal exposure to DES is known to increase risks of vaginal/cervical adenocarcinoma and adverse reproductive outcomes in women, and urogenital anomalies in men, data on nonreproductive medical conditions are lac
Diethylstilbestrol is an odorless tasteless white crystalline powder. (NTP, 1992)
Diethylstilbestrol is an odorless tasteless white crystalline powder. (NTP, 1992)|Diethylstilbestrol is an olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. It has a role as an antineoplastic agent, a carcinogenic agent, a xenoestrogen, an EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor, an antifungal agent, an endocrine disruptor, an EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor, an autophagy inducer and a calcium channel blocker. It is a polyphenol and an olefinic compound.|A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed)|Diethylstilbestrol is a synthetic, nonsteroidal form of estrogen. A well-known teratogen and carcinogen, diethylstilbestrol inhibits the hypothalamic-pituitary-gonadal axis, thereby blocking the testicular synthesis of testosterone, lowering plasma testosterone, and inducing a chemical castration.

Research & Reference Note

Human Growth Hormone Factory Supply Safe IngredientCosmetic Raw is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

Authoritative sources

Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals

Certificates

Basic Info

Product Name:

Diethylstilbestrol

Other Name:

Phenol,4,4′-[(1E)-1,2-diethyl-1,2-ethenediyl]bis-;4,4′-Stilbenediol,α,α′-diethyl-,(E)-;Phenol,4,4′-(1,2-diethyl-1,2-ethenediyl)bis-,(E)-;4,4′-Stilbenediol,α,α′-diethyl-,trans-;4,4′-[(1E)-1,2-Diethyl-1,2-ethenediyl]bis[phenol];Bio-des;Comestrol;Cyren A;DEB;DES;Di-Estryl;trans-α,α′-Diethyl-4,4′-stilbenediol;Domestrol;Estilbin MCO;Estrobene;Estrosyn;Fonatol;Grafestrol;Hi-Bestrol;Microest;Milestrol;Oestrogenine;Oestromenin;Oestromensyl;Palestrol;Serral;Sexocretin;Sibol;Stil;Stilbestrol;Stilbetin;Stilboestroform;Stilboestrol;Stilkap;Stil-Rol;Synthoestrin;Syntofolin;trans-Diethylstilbestrol;Diethylstilbestrol;Stilboefral;α,α′-Diethyl-4,4′-stilbenediol;Dawe's destrol solution;4,4′-Dihydroxy-α,β-diethylstilbene;Bufon;Antigestil;Neo-Oestranol I;Distilbene;Iscovesco;Synestrin;(E)-4,4′-(1,2-Diethyl-1,2-ethenediyl)bisphenol;α,α′-Diethylstilbenediol;Dawe's destrol;DiBestrol 2 Premix;Rumestrol 2;Rumestrol 1;4,4′-Dihydroxydiethylstilbene;Cyren;Synthofolin;Pabestrol;Estromenin;Menostilbeen;Agostilben;DES (synthetic estrogen);trans-4,4′-Dihydroxy-α,β-diethylstilbene;(E)-3,4-Bis(4-hydroxyphenyl)-3-hexene;(E)-Diethylstilbestrol;Vagestrol;Oestromon;NSC 3070;Bertrol;trans-α,α′-Diethyl-4,4′-dihydroxystilbene;Estrogenine;8026-45-7;8028-09-9;8030-34-0;8049-42-1;8053-00-7

CAS No.:

56-53-1

Molecular Formula:

C18H20O2

InChIKeys:

InChIKey=RGLYKWWBQGJZGM-ISLYRVAYSA-N

Molecular Weight:

268.35

Exact Mass:

268.35

EC Number:

200-278-5

UNII:

731DCA35BT

NSC Number:

756736|3070

UN Number:

3077

DSSTox ID:

DTXSID3020465

NCI Thesaurus Code:

C433

Color/Form:

White crystalline powder|Small plates from benzene

ATC Code:

G - Genito urinary system and sex hormones|L - Antineoplastic and immunomodulating agents

HScode:

2942000000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

40.5

XLogP3:

1.14

Appearance:

White to almost white Crystalline Powder

Density:

1.2

Melting Point:

169-172 °C

Boiling Point:

407.1±25.0 °C at 760 mmHg

Flash Point:

104°C c.c.

Refractive Index:

1.603

Water Solubility:

Practically insoluble in water;methanol: 0.1 g/mL, clear, faintly yellow

Storage Conditions:

0-6°C

Vapor Pressure:

Vapour pressure, Pa at 20°C: 20

Vapor Density:

Relative vapour density (air = 1): 5.3

Toxicity:

LD50 oral in rat: > 3gm/kg

Explosive limit:

vol% in air: 1.82.2

Odor:

Odorless

Collision Cross Section:

175.64 Å² [M-H]-

Experimental Properties:

CIS-ISOMER TENDS TO REVERT TO TRANS-FORM

Air and Water Reactions:

Insoluble in water.

Reactive Group:

Hydrocarbons, Aliphatic Unsaturated

Reactivity Profile:

DIETHYLSTILBESTROL is incompatible with strong oxidizing agents, strong bases, acid chlorides and acid anhydrides (NTP, 1992).

See More Diethylstilbestrol Properties 

Hazard Identification

Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

Carcinogenicity, Category 1B

Reproductive toxicity, Category 1B

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation H350 May cause cancer H360 May damage fertility or the unborn child H410 Very toxic to aquatic life with long lasting effects
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P203 Obtain, read and follow all safety instructions before use. P273 Avoid release to the environment.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell. P318 IF exposed or concerned, get medical advice. P391 Collect spillage.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. 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

Separated from food and feedstuffs. Dry. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access.PRECAUTIONS FOR "CARCINOGENS": Storage site should be as close as practical to lab in which carcinogens are to be used, so that only small quantities required for ... expt need to be carried. Carcinogens should be kept in only one section of cupboard, an explosion-proof refrigerator or freezer (depending on chemicophysical properties ...) that bears appropriate label. An inventory ... should be kept, showing quantity of carcinogen & date it was acquired ... Facilities for dispensing ... should be contiguous to storage area. Chemical Carcinogens

See More Diethylstilbestrol Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Retatrutide,Acetic acid water,Tirzepatide

Location:
Room 2701-A046,Building 2,No.76 Lianyungang Road,Shibei District,Qingdao City,Shandong Province,P.R.China

Year of Establishment:
2023

Inquiry History

18 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	Human Growth 191AA CAS 56-53-1 Promoting growth and development	1 KG	Jul 13, 2025
Canada	Diethylstilbestrol	500	Sep 21, 2026
United States	Diethylstilbestrol	1 MT	Sep 21, 2026
United States	Diethylstilbestrol	1 MT	Sep 21, 2026
Finland	Diethylstilbestrol	1 G	Sep 21, 2026
France	Diethylstilbestrol	100 MT	Sep 21, 2026
United States	estrogen	50 MG	Sep 14, 2026
Australia	10iu Human Growth 191AA Hormone Steroids Powder	100 PCS	Aug 26, 2026
United Kingdom	Human growth hormone	1 G	Aug 10, 2026
United States	Human Growth Hormone	1000	Jul 13, 2026
Canada	human growth hormone 191AA	360	Jun 14, 2026
United States	Diethylstibestrol	1 MT	Jun 7, 2026
Germany	Human Growth Hormone	5400	Sep 21, 2026
United States	Diethylstilbestrol	10	Sep 19, 2026
United States	Human growth hormone	2000	Jul 27, 2026
United States	10iu Human Growth Hormone 191AA	1 MT	Apr 24, 2026
Egypt	steroids raws powder	10 MT	Apr 3, 2025
United Kingdom	10iu Human Growth 191AA Hormone Steroids Powder	10 MT	Mar 15, 2025

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Human Growth Hormone Factory Supply Safe IngredientCosmetic Raw

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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