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5-Methyl-3,4-Diphenylisoxazole For Parecoxib Sodium CAS 37928-17-9

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Payment Type:

T/T

Incoterm:

CIF

Min. Order:

1 Kilogram

Transportation:

Air

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Product Attributes

Model No.: 37928-17-9

Brand: VOLSENCHEM

Supply Ability & Additional Information

Packaging: AS REQUIRED

Productivity: KGS

Transportation: Air

Place of Origin: CHINA

Supply Ability: TRUE MANUFACTURER

Payment Type: T/T

Incoterm: CIF

Packaging & Delivery

Selling Units:: Kilogram

Package Type:: AS REQUIRED

Parecoxib sodiuM inteMediate 5-Methyl-3,4-diphenylisoxazole cas number37928-17-9, there are two synthesis ideas, the first is use 1-phenyl acetone as raw material, and condensation with tetrahydropyrrole,and from a ring with benzyl cyanide N-oxide,remove tetrahydropyrrole in concentrated hydrochloric acid to form double keys to get 3,4-diphenyl-5-methylisoxazole, which is expensive and difficult to purchase. So it is not suitable for practical production. The second is use 1,2-diphenylethanone...

Product Categories : Pharmaceutical Intermediates > Anti-Rheumatoid Arthritis

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