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Manufacture CAS 520-18-3 Fructus Sophorae Extract Kaempferol 98%

Name: Manufacture CAS 520-18-3 Fructus Sophorae Extract Kaempferol 98%
Brand: QSC=Qingdao Sigma Chemical
SKU: pr2308271003
Price: 220.32 USD
Availability: InStock

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CAS No.:

520-18-3

Grade:

Pharmaceutical Grade

Content:

99%

Port:

QINDGAO

Brand:

QSC=Qingdao Sigma Chemical

Packaging:

10g 100g bag

Sample Available:

Yes

Price valid (until):

2024-11-14

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QIngdao Sigma Chemical Co.,Ltd

Company Type:

Trader

Location:

China

Payment Terms:

100% TT in advance

Average Lead Time:

1 days

Qualification:

Main Products:

bodybuilding Peptide,Steroids,Tirzepatide,semaglutide,Sarms

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Product Details
Seller Information
Inquiry History

Description

WhatsApp:+86-186 6189 1880

WickrMe:alisayang

English name: Kaempferol
Specifications: Kaempferol98%
Appearance: Light yellow crystal powder.
Test method: HPLC
CAS NO.: 520-18-3
EINECS NO.: 208-287-6
Molecular formula: C15H10O6
Molecular Weight: 286.24

Application
(1) Kaempferol owe to the strong antioxidant

Technical Specification:

Item	Specification	Result
Maker Compounds	Kaempferol 98%	98.32%
Appearance	Fine Powder	conforms
Color	White powder	conforms
Odor	Characteristic	conforms
Taste	Characteristic	conforms
Part Used	The whole herb	conforms
extract solvent	Ethanol & water	conforms
Drying Method	Spray drying	conforms
Physical Characteristics
Particle Size	NLT 100% Through 80 mesh	conforms
Loss on Drying	0.01	0.51%
Bulk Density	50-60g/100ml	50.3g/100ml
Heavy metals
Total Heavy Metals	≤10ppm	conforms
Arsenic	≤2ppm	conforms
Lead	≤2ppm	conforms
Microbiological Tests
Total Plate Count	≤1000cfu/g	conforms
Total Yeast & Mold	≤100cfu/g	conforms
E.Coli	Negative	Negative
Salmonella	Negative

Shipping & Storage:

Delivery:Sea/Air Shipping & International Express
Shipping Time: 2-3 working days after payment
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
15-25kg/Drum, size: 38cm (Diameter)*50cm (Height)
Storage: Kept away from strong light and heat.
Shelf Life: 24 months

Why choose us

Why choose us?

1. Higher quality products (>=99% purity) for most of peptides and raws. Quality Guaranteed: Many HPLC test reports are available (Janoshik).

2. Domestic warehouses and stocks: USA, Canada, Europe and Australia.

3. Ship worldwide with safe and secure lines: 100% delivery guaranteed. No worry about Customs issues.

4. Special Service: Drop-shipping if need.

5. Cheapest prices in the market, unbeatable！

6. Very reputable in the most famous boards such as Meso Rx forum and Professional muscle forums, with tons of positive reviews and blind lab tests done by our customers.

7. Many payment options: Credit card, bank transfer, wise, alipay, paysend, apple pay, google pay, wechat, bitcoin

ECHEMI Editorial Reference

Kaempferol inhibits estrogen receptor α expression in breast cancer cells and induces apoptosis in glioblastoma cells and lung cancer cells by activation of MEK-MAPK.
Solid
Kaempferol is a tetrahydroxyflavone in which the four hydroxy groups are located at positions 3, 5, 7 and 4'. Acting as an antioxidant by reducing oxidative stress, it is currently under consideration as a possible cancer treatment. It has a role as an antibacterial agent, a plant metabolite, a human xenobiotic metabolite, a human urinary metabolite, a human blood serum metabolite and a geroprotector. It is a member of flavonols, a 7-hydroxyflavonol and a tetrahydroxyflavone. It is a conjugate acid of a kaempferol oxoanion.

Certificates

Basic Info

Product Name:

Kaempferol

Other Name:

4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-(4-hydroxyphenyl)-;Flavone,3,4′,5,7-tetrahydroxy-;3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one;C.I. 75640;Indigo Yellow;Kaempferol;Kempferol;Rhamnolutin;Robigenin;Swartziol;3,5,7,4′-Tetrahydroxyflavone;Trifolitin;5,7,4′-Trihydroxyflavonol;Kaempherol;Kaemferol;3,4′,5,7-Tetrahydroxyflavone;Nimbecetin;Populnetin;Rhamnolutein;Pelargidenolon;Kampcetin;Pelargidenon;NSC 407289;NSC 656277;3′-Deoxyquercetin;CSU-2056;CSU 2056;3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromen-4-one;ST 030560;14461-95-1

CAS No.:

520-18-3

Molecular Formula:

C15H10O6

InChIKeys:

InChIKey=IYRMWMYZSQPJKC-UHFFFAOYSA-N

Molecular Weight:

286.23600

Exact Mass:

286.24

EC Number:

208-287-6

UNII:

731P2LE49E

NSC Number:

656277|407289

DSSTox ID:

DTXSID7020768

Color/Form:

Yellow needles from alcohol and water

HScode:

2914501900

Categories:

Other Chemical Drugs

Characteristics

PSA:

111.13000

XLogP3:

2.28240

Appearance:

Solid

Density:

1.688 g/cm3

Melting Point:

277 °C

Boiling Point:

582.1ºC at 760 mmHg

Flash Point:

226.1ºC

Refractive Index:

1.767

Water Solubility:

ethanol: 20 mg/mL;In water, 440 mg/L at 25 deg C (est)

Storage Conditions:

-20ºC

Vapor Pressure:

1.1X10-13mm Hg at 25 deg C (est)

Henrys Law Constant:

Henry's Law constant = 6.3X10-17 atm cu m/mole at 25 °C (est)

Collision Cross Section:

162.9 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|160.32 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|165.99 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|187.2 Å² [M+Na]+ [CCS Type: DT, Method: stepped-field]|165.92 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|159.2 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|165.4 Å² [M-H]-

Experimental Properties:

Hydroxyl radical reaction rate constant = 2.4X10-10 cu cm/molecule-sec at 25 °C (est)

See More Kaempferol Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Germ cell mutagenicity, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed H341 Suspected of causing genetic defects
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. 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

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Kaempferol Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
bodybuilding Peptide,Steroids,Tirzepatide,semaglutide,Sarms

Location:
NO 40 shandong Road,Shibei District, Qingdao City,Shandong Province

Payment Terms:
100% TT in advance

Average lead Time:
1 days

Total Annual Revenue:
$25 million-$50 million

Total Employees:
51-100

Year of Establishment:
2017

Company Certificates
- COA

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
Germany	Kaempferol	100 G	Jul 20, 2026
China	Kaempferol	25 KG	Mar 13, 2026
India	Kaempferol	1 KG	Dec 11, 2024
Nigeria	kaempferol	6 KG	Jan 24, 2024

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Kaempferol	Pharma Grade/99	$28/KG EXW	DAHAI BIOCHEM LTD	Inquiry
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Kaempferol 10%~98% Plant extract Pharmaceutical made in china	/		Hangzhou Dawn Ray Pharmaceutical Co.,Ltd	Inquiry
Kaempferol 520-18-3	/98		Hefei Heyu Chemical New Materials Co., Ltd	Inquiry
Kaempferol	Industrial Grade/98		Cuicheng Biomedical Technology	Inquiry

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Manufacture CAS 520-18-3 Fructus Sophorae Extract Kaempferol 98%

Product Details

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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