阿拉瓦

CAS No.

75706-12-6

Molecular Formula

C₁₂H₉F₃N₂O₂

Molecular Weight

270.21

Molecular Structure

Storage

Keep in well-closed container, protected from light

Usage

It is an immunosuppressive disease-modifying antirheumatic drug (DMARD), used in active moderate to severe rheumatoid arthritis and psoriatic arthritis. It is a pyrimidine synthesis inhibitor.

Appearance

White or almost white crystalline powder

Idetification

Meets the requirements

Melting Point

164~168°

Loss on Drying

≤0.3%

Residue on Ignition

≤0.1%

Heavy Metals

≤20ppm

Related Substances

Meet the requirements

Assay

98~102%

Standard

USP31