Prednisolone-21-acetate paramete

CAS No.: 52-21-1
MF: C23H30O6
Place of Origin: Shandong, China
Grade Standard: Medicine Grade
Brand Name: Lookchemical
Purity: 99%min
Grade: Phamaceutical Grade
Shelf life: 2 Years
Color: White Color
Other Names: Prednisolone Acetate
EINECS No.: 200-134-1
Type: Auxiliaries and Other Medicinal Chemicals
Usage: Animal Pharmaceuticals
Model Number: 52-21-1
Assay: HPLC 99%
Application: Pharmaceutical Raw Intermediates
Appearance: White Powder


Items Specifications Results Character White or almost white crystallin powder Almost white crystalline powder Specific rotation +112°~+119° +118.3° Identification 1) Complies by IR Conforms 2) Complies by UV not more than 2.5% 1.20% 3) Positive reaction Conforms Chromatographic purity Principal impurity not more than 1.0% 0.32% Total impurities not more than 2.0% 0.69% Methanol ≤3000ppm 438ppm Pyridine ≤200ppm 31ppm Loos on drying Not more than 1.0% 0.10% Assay Contains 97.0% to 102.0% of C23H306 calculated on dried basis 100.40% Conclusion The results can conforms with USP32


Suitable for rheumatoid arthritis, rheumatic fever, lupus erythematosus, scleroderma, dermatomyositis, acute lymphoblastic leukemia, etc.

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.


H300 (42.7%): Fatal if swallowed [Danger Acute toxicity, oral]

H319 (12.36%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H360 (35.96%): May damage fertility or the unborn child [Danger Reproductive toxicity]

H361 (16.85%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

H373 (39.33%): Causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]


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.


Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Prednisolone-21-acetate picture

Packaging and shipping

Honor Certificate

Professional team