We need Phenasal API which meets the following requirements:
Chemical formula: C13H8Cl2N2O4 Description: White powder Solubility: Practically not soluble in water, little soluble in 96% alcohol and cloroform, merely soluble in acetone. Melting point: 226-230C 2-chlor-4-nitroanylin: not more than 0.17% 5-chlorsalyciclic acid: not more than 0.5% Chlorides: not more than 0.035% Loss on drying: not more than 1.5% Sulphate ashes: not more than 0.2% Heavy metals: not more than 0.001% Content by HPLC: not less than 97%