White powder Pharmaceutical raw materials Paracetamol , CAS No 103-90-2
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White powder Pharmaceutical raw materials Paracetamol , CAS No 103-90-2
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Basic Infomation
Place of Origin: China
Brand Name: YC
Certification: ISO9001
Model Number: CAS No.: 103-90-2
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Packaging Details: As Requiry
Delivery Time: Within 5-7 working days
Payment Terms: T/T, , MoneyGram,Bitcoin
Supply Ability: 5000kg/Month
Product Name: Paracetamol
CAS No: 103-90-2
EINECS No: 203-157-5
Molecular Formula: C8H9NO2
Molecular Weight: 151.16
Appearance: White Crystalline Powder
Product Description


           Pharmaceutical raw materials Paracetamol, White powder CAS No 103-90-2



Product Name: Paracetamol
Assay: 99%
CAS No.: 103-90-2
EINECS No.: 203-157-5
Molecular Formula: C8H9NO2
Molecular Weight: 151.16
Melting point: 168-172 ° C(lit. )
Appearance: White crystalline powder
Packing: 25KG/Drum
Application: Antipyretic Analgesics
Usage:used as analgesic-antipyretic pharmaceutical material



Paracetamol, also known as acetaminophen or APAP, chemically named N-acetyl-p-aminophenol, is a widely used over-the-counter analgesic (pain reliever) and antipyretic (fever reducer). Acetaminophen is the name adopted for this pharmacologic agent in the U. S. (USAN) and Japan; Paracetamol is approved in a variety of international venues (INN, AAN, BAN, etc. ). Common trade names in English-speaking markets are Tylenol and Panadol.

Paracetamol is classified as a mild analgesic. It is commonly used for the relief of headaches and other minor aches and pains and is a major ingredient in numerous cold and flu remedies. In combination with opioid analgesics, paracetamol can also be used in the management of more severe pain such as post-surgical pain and providing palliative care in advanced cancer patients. Though paracetamol is used to treat inflammatory pain, it is not generally classified as an NSAID because it exhibits only weak anti-inflammatory activity.




Paracetamol is approved for reducing fever in people of all ages. The World Health Organization (WHO) recommends that paracetamol be used to treat fever in children only if their temperature is greater than 38.5 ° C (101.3 ° F). The efficacy of paracetamol by itself in children with fevers has been questioned and a meta-analysis showed that it is less effective than ibuprofen.




Paracetamol is used for the relief of pains associated with many parts of the body. It has analgesic properties comparable to those of aspirin, while its anti-inflammatory effects are weaker. It is better tolerated than aspirin in patients in whom excessive gastric acid secretion or prolongation of bleeding time may be a concern. Available without a prescription since 1959, it has since become a common household drug.


Paracetamol has relatively little anti-inflammatory activity, unlike other common analgesics such as the NSAIDs aspirin and ibuprofen, but ibuprofen and paracetamol have similar effects in the treatment of headache. Paracetamol can relieve pain in mild arthritis, but has no effect on the underlying inflammation, redness, and swelling of the joint.





Characters White crystalline powder Conforms
Identification IR,UR,TCL Complies with the test for identification of Paracetamol Conforms
Solubility Sparingly soluable in water,freely soluable in alcohol,very slightly soluable in methylene chloride. Conforms
Melting point 168-172°C 169.6-170.0°C
Loss on drying ≤0.5% 0.06%
Residue on ignition ≤0.1% 0.04%
Chloride ≤0.014% <0.014%
Sulfate ≤0.02% <0.02%
Sulfide Conforms Conforms
Heavymetals ≤0.001% <0.001%
Readily carbonizable substances Conforms Conforms
Free p-aminophenol ≤0.005% ≤0.005%
Limit of p-chloroacetanilide ≤0.001% <0.001%
Organic volatile impurities Conforms Conforms
Assay 98.0%-101.0% 99.49%
Particle size 90% no more than 200μm Conforms
50% no less than 50μm Conforms
Conclusion: It complies with the requirements of the USP34



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