
Caffeic acid is widely found in Yinchen, Eucommia, honeysuckle and other plants. It belongs to phenolic acid compounds. It has the ability to shrink and strengthen blood vessels, improve coagulation function, and has a wide range of antibacterial, antiviral, antivenom and other pharmacological activities. Caffeic acid is an antioxidant both in and out of the body. At present, it is also widely used in the cosmetics industry. Through the oxidation mechanism, caffeic acid has an inhibitory effect on the proliferation of cancer cells. Caffeic acid reduces aflatoxin production by more than 95% and is superior to other antioxidants.


Product name | Caffeic acid |
Cas no. | 331-39-5 |
Molecular formula | C9H8O4 |
Molecular weight | 180.16 |
Appearance | slight yellow crystalline powder |
Residue on ignition | ≤0.30% |
Melting point | 194-198ºC |
Loss on drying | ≤0.5% |
Heavy metals() | ≤10ppm |
chloride | ≤0.01% |
MOQ | 20g, 50g, 100g, 1kg |
Purity(by HPLC) | ≥99% |
- Antioxidant effect. Caffeic acid reduces the carcinogenic and aging effects caused by ultraviolet rays. It is used in cosmetics as an effective ingredient for sunscreen, antibacterial, whitening and so on.
- Antimicrobial infections. Caffeic acid is a natural fungicide, which has a certain effect on inhibiting the growth of Staphylococcus aureus and Escherichia coli.
- Anti-inflammatory and coagulant. Caffeic acid can prevent cardiovascular diseases, protect against brain tissue damage, promote wound healing, and improve blood clotting function. It is commonly used for the prevention and treatment of surgical and medical bleeding.
- Anti-tumor. Caffeic acid can be used as an adjuvant chemotherapy drug for the treatment of hematologic malignancies.

Shandong Boaote Biotechnology Co., Ltd. specializes in chemical raw materials and pharmaceutical intermediates, including ferulic acid series, solvents, rivaroxaban intermediates, and other products. Our products are widely used in pharmaceuticals, cosmetics, and fine chemicals. We mainly deal in synthetic chemical products with no minimum order quantity. We have long-standing relationships with partner factories, allowing for custom manufacturing. We have strict quality requirements, and customers can confirm product quality through COAs and samples. If there is any questions, please click here to contact us.
We exhibited at CPHI Shanghai on June 19-21, 2024. Have you ever met us? Looking forward to working with you.
This is the laboratory of our partner factory.
This is the warehouse of our partner factory.
This is our own office.
These are our supplier's certificates for Hydeoxyrosol and Caffeic acid, and also other's products such as Protocatechuic acid, Shikimic acid, Levodopa, L-Tyrosine.
HALAL CERTIFICATE and KOSHER CERTIFICATION
Packaging:
<1kg | 1-25kgs | >25kgs |
aluminium foil bags | cartons or small drums | drums |
A: For small samples quantity <1 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags.
B: For medium quanity 1-25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags,
then packed in cartons or small drums for shipping.
C: For larger quanity >25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags
OR bigger size double seal PET bags for 25kgs in bulk then packed in drums for shipping.
Shipping:

<50kgs | 50-500kgs | >500kgs |
By express | By express or air | By shipping |
Q:How to order a sample for quality testing purpose before your commercial order?
A: We do provide our clients small sample for quality testing purpose (Sample size form 1-50 grams). Free samples canbe provided for some products due to the material cost, Our clients only need to pay the international shipping cost or
provide us your Fedex/DHL account number so we can arrange the shipments.
Q: What's our Minimun Ordering Quantity (MOQ)?
A: For the high value products, our MOQ starts from 1 gram and other products generally starts from 1 kilogram. For
other low value products, MOQ can be started from 10kgs to 100kgs.
Q: Is there a discount?
A: Yes, we offer lower prices for larger quantities. There will be difference prices range on our quotation list so please
inform us what quantity you will be after.
Q: How do we guarantee our products quality?
A: First of all, our quality control system will reduce our quality problem to near zero.We can always provide our
certificate of analysis according to every batch of our products.We can also provide third party analysis testing
due to our clients' requirement.
If there is any quality issue caused by us, we will send you free goods for replacement or refund your loss.