Ethyl 4-dimethylaminobenzoate


Azithromycin paramete

CAS No.: 83905-01-5
MF: C38H72N2O12
Place of Origin: Shandong, China
Grade Standard: Medicine Grade
Model Number: ZRX-83905-01-5
Assay: 99%min
Shelf life: 2 Years
Molecular Weight: 338.26472
Storage: Store in cool and dry places, keep away from strong light
character: White powder
Other Names: Azithromycine
EINECS No.: 617-500-5
Type: Antibiotic and Antimicrobial Agents
Purity: 99%
Test Method: HPLC
COA/MSDS: Available
Usage: Medicine Grade
package: aluminum foil bag or drum


Items Specifications Results
Character White or almost white crystalline powder;odorless white crystelline powder, odorless
Melting point 242~246°C 243.4~244.3°C
Identification 1) IR spectra is consistent with CRS complies
  2) The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay complies
Appearance of solution colorless and clear liquid colorless and clear liquid
Related substances individual impurity≤1.0% 0.24%
  Total impuirties ≤2.0% 0.70%
Loss on ignition ≤0.5% 0.32%
Residue on ignition ≤0.1% 0.05%
Heavy metals Not more than 10 parts per million Less than 10 parts per million
Assay Not less than 98.0% of C18H14F3N3O6S(On dried basis) 99.40%

Complies with Ponazuril Enterprise Standard


1.Macrolide antibiotic, 15 yuan containing nitrogen heterocyclic ring, antibacterial mechanism and erythromycin similar, but the antibacterial spectrum is wider. It has stronger antibacterial activity against gram-positive bacteria, as well as against gram-negative bacteria such as Haemophilus influenzae, Salmonella, Chemicalbook Escherichia coli and Shigella. It is stable to acid and well tolerated. It has a good therapeutic effect on respiratory tract infection, skin and soft tissue infection and sexually transmitted diseases caused by sensitive strains..

2.It is an antibiotic used for various infections caused by sensitive bacteria, such as respiratory infections, skin and soft tissue infections

3.Used for respiratory infections, urinary tract infections, skin and soft tissue infections and sexually transmitted diseases

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: 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.


H317 (98.36%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H334 (97.54%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]

H372 (28.69%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]

H400 (28.69%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

H410 (28.69%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


25kgs packaging Fiber drum outside and plastic bag inside 1-25kgs packaging aluminium bag outside and double plastic bag inside

Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Azithromycin picture

Packaging and shipping

Honor Certificate

Professional team