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Brief Description
Prodcut name | Antipyrine |
Synonyms | 1,2-dihydro-1,5-dimethyl-2-phenyl-3h-pyrazol-3-on ;1,5-Dimethyl1-2-phenyl-3-pyrazolone ;1,5-Dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one;1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one ;1-Pheny-1-2,3-dimethylpyrazolone-[5],1,2-Di-hydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one ;1-Phenyl-2,3-dimethyl-5-pyrazolone;1-Phenyl-2,3-dimethylpyrazole-5-one;3-Antipyrine |
MOQ | 1KG |
CAS No. |
|
Appearance | Powder |
Molecular Formula |
C11H12N2O |
Molecular Weight |
188.23 |
Assay | 99% |
Application | Pharma grade or research purpose |
Packing | As per your request |
Storage | Preserve in tight, light-resistant containers in a cool place |
Remarks | NA |
Custom synthesis | Available |
Medical Use
Phenazone (INN and BAN; also known as phenazon, antipyrine (USAN), or analgesine) is an analgesic, a nonsteroidal anti-inflammatory drug (NSAID) and an antipyretic. It was first synthesized by Ludwig Knorr in 1887. Phenazone is synthesized by condensation of phenylhydrazine and ethyl acetoacetate under basic conditions and methylation of the resulting intermediate compound 1-phenyl-3-methylpyrazolone with dimethyl sulfate or methyl iodide. It crystallizes in needles which melt at 156 °C. Potassium permanganate oxidizes it to pyridazine tetracarboxylic acid. Phenazone has an elimination half life of about 12 hours. Indication: Used to relieve pain and fever. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver.


Packaging: 25kg/bag or according to client request
Delivery Detail: 1~2 weeks after confirm order.Some of the products can be supplied within 7 days on the strength of EDC warehouse.

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and
technical service of APIs and pharmaceutical intermediates. The marketing department is located in
Wuhan. We have two GMP facilities in Hubei Province and cooperative factories in Zhejiang Province.
The leading products range of the company is antineoplastic, cardiovascular and antibiotics.
With our strong technical force, under the sustained effort of the whole staff, we have built high
efficient and swift sales system. The company’s sales network covers more than twenties countries
and areas, also we built good and long relations with many big pharmaceutical company worldwide.
Q1: What service can you provide?
A:We can provide very competitive prices and very good service to our clients all over the world.
Q2: Can you do customized?
A: We can make the products as per customers' requested products and quantity
Q3:Can we have samples for development?
A: Yes we can provide free samples (small quantity) to you, but the freight cost on buyer's account.
Q4:What is the normal lead time?
A. For stock products, we will send goods to you within 2-3 days after we receive your payment.
B.For customized products, generally the delivery time is around 30 days after we receive your payment.
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