Methyl-3-amino-2-thiophene carboxylate 1. Cas 22288-78-4; 2. Tenoxicam intermdiate; 3. 99%; 4. EINECS 244-895-8 Appearance: off white crystalline powder Assay: ≥99%(HPLC) Melting point: 64-66 ºC Boiling point: 100-102 ºC (0.1 mmHg) ItemSpecificationResultAppearanceWhite-like powderConform Assay≥ 99.0%99.3%Melting point64 66°C64.5 65.8°CDrying on loss≤ 0.5%0.2%ConclusionConforms to the in-house standard