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Quercetin 117-39-5 C15H10O7

Name: Quercetin 117-39-5 C15H10O7
Brand: Orient
SKU: pr2512121418
Price: 4 USD
Availability: InStock

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CAS No.:

117-39-5

Grade:

Industrial Grade

Content:

98%

Port:

SHANGHAI

Brand:

Orient

Packaging:

1KG, 25KG, 200KG, 1000KG, customized

Price valid (until):

2026-01-12

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Focusing on innovative research, development, and production in the field of fine chemicals, we prioritize technology, quality, and market orientation. We collaborate with global partners to build a high-tech chemical industry chain and promote sustainable development in the industry.

The company's main products include pharmaceutical intermediates, food additives, essence, spices and plant extracts. The products have passed international certification and are exported to Europe, America, Japan, South Korea and Southeast Asia.

Quercetin Basic information

Expectorants Pharmacological effects Chemical Properties Uses Production method

Product Name:	Quercetin
Synonyms:	3,3',4',5,7-Pentahydroxyflavone 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;MELETIN;FLAVIN MELETIN;LABOTEST-BB LT00455149;CI NO 75670;XANTHAURINE;QUERCETINE;QUERTINE
CAS:	117-39-5
MF:	C15H10O7
MW:	302.24
EINECS:	204-187-1
Product Categories:	Plant extracts;Herb extract;Pharmaceutical Raw Materials;Miscellaneous Natural Products;Caspases/Apoptosis;reference substance;Functional Products;Natural Plant Extract;chemical reagent;pharmaceutical intermediate;phytochemical;natural product;Inhibitors;TROXEPURE;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;plant extract;117-39-5
Mol File:	117-39-5.mol

Quercetin Chemical Properties

Melting point	316.5 °C
Boiling point	363.28°C (rough estimate)
density	1.3616 (rough estimate)
refractive index	1.4790 (estimate)
storage temp.	room temp
solubility	insoluble in H2O; ≥15.1 mg/mL in DMSO; ≥3.28 mg/mL in EtOH
form	solid
pka	6.31±0.40(Predicted)
color	Yellowish
biological source	synthetic (organic)
Water Solubility	<0.1 g/100 mL at 21 ºC
Merck	13,8122
BRN	317313
InChIKey	REFJWTPEDVJJIY-UHFFFAOYSA-N
LogP	1.989 (est)
CAS DataBase Reference	117-39-5(CAS DataBase Reference)
IARC	3 (Vol. Sup 7, 73) 1999
EPA Substance Registry System	Quercetin (117-39-5)

Safety Information

Hazard Codes	T,Xi
Risk Statements	25-36/37/38
Safety Statements	45-36-26
RIDADR	2811
WGK Germany	3
RTECS	LK8750000
HazardClass	6.1(b)
PackingGroup	III
HS Code	29329990
Hazardous Substances Data	117-39-5(Hazardous Substances Data)
Toxicity	LD50 oral in rat: 161mg/kg

MSDS Information

Quercetin Usage And Synthesis

Expectorants

Quercetin(117-39-5) is commonly used as a expectorant drug in clinical medicine in China. This product has various kinds of pharmacological functions such as having a good expectorant, cough effect, also having certain anti-asthma effect, and having further effects of lowering blood pressure, enhancing capillary resistance, reducing capillary fragility, reducing blood fat, expansion of coronary artery, increasing coronary blood flow.
Clinically, quercetin is mainly used for treating clinical bronchitis and phlegmatic inflammation. It also has adjuvant therapy effect on coronary artery disease and high blood pressure. FDA may have some kinds of adverse reactions such as dry mouth, dizziness, and burning sensation in stomach area which may disappear after treatment.
Quercetin is widely distributed in angiosperms such as Threevein Astere, Golden Saxifrage, berchemia lineata, gold, rhododendron dauricum, seguin loquat, purple rhododendron, Rhododendron micranthum, Japanese Ardisia Herb and Apocynum. It is a kind of aglycon which mainly combines with carbohydrate to be in the form of glycosides, such as quercetin, rutin, hyperoside.

Pharmacological effects

Quercetin(117-39-5) can significantly inhibit the effect of cancer-promoting agent, inhibiting the growth of malignant cells in vitro, inhibiting the DNA, RNA, and protein synthesis of Ehrlich ascites tumor cells.
Quercetin has effects of inhibiting the platelet aggregation and the release effect of serotonin (5-HT) as well as inhibiting the platelet aggregation process which is induced by ADP, thrombin and platelet-activating factor (PAF) in which having the strongest inhibition effect on PAF. Moreover, it can also inhibit thrombin-induced the release of platelet 3H-5-HT of rabbit.
(1) Intravenously adding 0.5mmol/L quercetin (10ml/kg) drop wise can significantly shorten the duration of arrhythmia in mice of myocardial ischemia and reperfusion, reduce the incidence of ventricular fibrillation, and reduce the content of MDA as well as the activity of xanthine oxidase inside the ischemic myocardial tissue while having significantly protective effect on SOD. This may be related to the inhibition of the formation process of myocardial oxygen free radical and protection of SOD or directly scavenging of radical free oxygen in myocardial tissue.
(2) Having in vitro assay with quercetin and rutin being together can disperse the platelet and thrombus adhered to the rabbit aorta endothelium with an EC50 of 80 and 500nmol/L, respectivly. In vitro assay of a concentration of quercetin at 50~500μmol/L has shown that it can improve cAMP level inside human platelet, enhance the PGI2-induced improvement of cAMP level of human platelet and inhibit the ADP-induced platelet aggregation. Quercetin at a concentration ranged from 2~50μmol/L has a concentration-dependent enhancement effect. Quercetin, at a concentration of 300 μmol/L in vitro can not only almost completely inhibit the process of platelet aggregation induced by platelet-activating factor (PAF), but also inhibit thrombin and ADP-induced platelet aggregation as well as inhibit the release of rabbit platelet 3H-5HT induced by thrombin; A concentration of 30 μmol/L can significantly reduce the liquidity of platelet membrane.
(3) Quercetin, at a concentration at 4×10-5~1×10-1g/ml, has a inhibitory effect on the release of histamine and SRS-A in the lung of ovalbumin-sensitized guinea pig lung; A concentration of 1 × 10-5g/ml also has inhibitory effect on the for SRS-A induced ileum contraction of guinea pig. Quercetin, at a concentration of 5~50μmol/L, has a concentration-dependent inhibitory effect on the process of histamine release of human basophilic leucocyte. Its inhibitory effect on the ileum contraction of ovalbumin sensitized guinea pig is also concentration-dependent with an IC50 of 10μmol/L. A concentration in the range of 5×10-6~5×10-5mol L can inhibit the proliferation of cytotoxic T lymphocyte (CTL) as well as inhibit ConA-induced DNA synthesis.

First aid measures

General advice

Consult a physician. Show this material safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

Firefighting measures

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

Special hazards arising from the substance or mixture

Carbon oxides Nitrogen oxides (NOx)

Advice for firefighters

Wear self-contained breathing apparatus for firefighting if necessary.

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

Quercetin

Other Name:

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-;Flavone,3,3′,4′,5,7-pentahydroxy-;Flavone,3,4′,5,5′,7-pentahydroxy-;2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one;C.I. 75670;Meletin;3,5,7,3′,4′-Pentahydroxyflavone;Quercetin;Quercetine;Quercetol;Quertine;Sophoretin;Xanthaurine;3,3′,4′,5,7-Pentahydroxyflavone;Cyanidelonon 1522;Quertin;NSC 57655;NSC 9219;2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-benzopyran-4-one;Corvitin;Korvitin;3′-Hydroxykaempferol;LDN 0052529;Lipoflavon;3,5,7-Trihydroxy-2-(3,4-dihydroxyphenyl)-4H-chromen-4-one;2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one;2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;73123-10-1;74893-81-5

CAS No.:

117-39-5

Molecular Formula:

C15H10O7

InChIKeys:

InChIKey=REFJWTPEDVJJIY-UHFFFAOYSA-N

Molecular Weight:

302.24

Exact Mass:

302.24

EC Number:

204-187-1

UNII:

9IKM0I5T1E

NSC Number:

9219

UN Number:

2811

DSSTox ID:

DTXSID4021218

NCI Thesaurus Code:

C792

Color/Form:

Yellow needles (dilute alcohol, +2 water)

HScode:

29329990

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

127

XLogP3:

1.5

Appearance:

Quercetin appears as yellow needles or yellow powder. Converts to anhydrous form at 203-207°F. Alcoholic solutions taste very bitter. (NTP, 1992)

Density:

1.3616 (rough estimate)

Melting Point:

316.5 °C

Boiling Point:

Sublimes

Flash Point:

248.1±25.0 °C

Refractive Index:

1.4790 (estimate)

Water Solubility:

H2O: <0.1 g/100 mL at 21 ºC

Storage Conditions:

Store at 0-5°C

Vapor Pressure:

2.81X10-14 mm Hg at 25 deg C (est)

Toxicity:

LD50 oral in rat: 161mg/kg

Henrys Law Constant:

Henry's Law constant = 6.60X10-21 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

pKa1 = 7.17 (phenol); pKa2 = 8.26 (phenol); pKa3 = 10.13 (phenol); pKa4 = 12.30 (phenol); pKa5 = 13.11 (phenol) (est)

Collision Cross Section:

166.7 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|158.98 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|163.4 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

Experimental Properties:

Yellow needles from dil alcohol. Becomes anhydrous at 95-97 °C. When anhydrous, decomposes at 314 °C; uv max (alcohol) 258, 375 nm (log epsilon 2.75, 2.75). One gram dissolves in 290 mL absolute alcohol, in 25 mL boiling alcohol. Soluble in glacial acetic acid; in aqueous alkaline solutions with yellow color. Practically insoluble in water. Alcoholic solutions taste very bitter. /Dihydrate/|Crystals; mp 123-125 °C; UV max (chloroform): 249, 343 nm (log epsilon 4.43, 4.14) /Pentabenzyl ether/|Hydroxyl radical reaction rate constant = 2.39X10-10 cu cm/molec-sec at 25 °C (est)|Ozone reaction rate constant = 1.05X10-16 cu cm/molec-sec at 25 °C (est)

Air and Water Reactions:

Sensitive to exposure to air and light. Insoluble in water.

Reactive Group:

Ketones

Reactivity Profile:

QUERCETIN is a strong antioxidant and a metal chelator. Promotes the formation of nitrosamines (NTP, 1992).

See More Quercetin Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product.
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth.
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

Quercetin tablets and capsules should be stored at room temp, away from heat, moisture, and direct light.

See More Quercetin Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

A reliable supplier is like insurance.

We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

10 Inquiries

Country	Product	Purchase Quantity	Date Posted
Latvia	Quercetin 117-39-5	600 KG	Jul 22, 2023
South Africa	Quercetin	5 KG	Nov 26, 2023
Saudi Arabia	95% HPLC Quercetin	10 KG	Dec 26, 2023
Pakistan	Quercetin	2 KG	Nov 3, 2023
Latvia	Quercitine, Quercitine Dihydrate, sophora japonica	600 KG	Jul 22, 2023
Argentina	Quercetin	5 KG	Jan 7, 2026
United States	Meletin	1 KG	Jul 4, 2025
Kenya	quercetin	1 KG	Apr 14, 2024
Taiwan, China	Quercetin	50 KG	Feb 1, 2024
South Africa	Quercetin	1 MT	Jan 26, 2024

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