Pharmaceutical Intermediates

Pharmaceutical Intermediates For Osteoarthritis and Rheumatoid Arthritis

1.4,4,4-Trifluoro-1-[4-(methyl)phenyl]-butane-1,3-dione
Chemical Name: 4,4,4-trifluoro-1-[4-(methyl)phenyl]-butane-1,3-dione
CAS NO.:
Structural Formula: C₁₁H₉F₃O₂
Molecular Formula:

Molecular Weight:
Appearance: White crystal powder
Melting point: 41-43°C
Assay: 99% min
Uses: It is used to synthesis celecoxib.
Packing: Plastic drum or iron tin lined with plastic bag.

2.4-sulphonamido phenyl hydrazine hydrochloride
Chemical Name: 4-sulphonamido phenyl hydrazine hydrochloride
CAS NO.:
Structural Formula: C₆H₉N₃O₂S.HCl
Molecular Formula:

Molecular Weight:
Appearance: White or pale yellow crystal powder
Melting point: °C
Assay: 98% min
Uses: It is used to synthesis celecoxib.
Packing: Plastic drum or iron tin lined with plastic bag.

3.4'-Methylthio Acetophenone
Chemical Name: 4'-Methylthio Acetophenone
CAS NO.: [1778-09-2]
Structural Formula: C₉H₁₀OS
Molecular Formula:

Molecular Weight: 166.24
Appearance: Pale Yellow crystal
Melting point: 80 - 81°C
Assay: 98% min
Uses: It is used to synthesis vioxx(rofecoxib) and other new drugs
Packing: Plastic drum or iron tin lined with plastic bag

4.4'-Methylsulphonyl Acetophenone
Chemical Name: 4'-Methylsulphonyl Acetophenone
CAS NO.: [10297-73-1]
Structural Formula: C₉H₁₀O₃S
Molecular Formula:

Molecular Weight: 198.24
Appearance: White crystal powder
Melting point: 128 - 129°C
Assay: 98% min
Uses: It is used to synthesis vioxx(rofecoxib) and other new drugs
Packing: Plastic drum or iron tin lined with plastic bag

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