Methyl 5-formyl-2-hydroxybenzoate , with cas registry number of 41489-76-3, belongs to the categories of Acids and Derivatives; Carbonyl Compounds; API intermediates . Its systematic name is methyl 5-formyl-2-hydroxybenzoate . Based on its molecular structure, there are different of strings identified by machine including: (1)SMILES:O=C(OC)c1cc(ccc1O)C=O; (2)InChI:InChI=1/C9H8O4/c1-13-9(12)7-4-6(5-10)2-3-8(7)11/h2-5,11H,1H3; (3)InChIKey:XJKWVPNWHOCFBR-UHFFFAOYAW

 The physical properties of Methyl 5-formyl-2-hydroxybenzoate are summarized as follows: (1)H bond acceptors: 4; (2)H bond donors: 1; (3)Freely Rotating Bonds: 4; (4)Index of Refraction: 1.594; (5)Molar Refractivity: 46.66 cm³; (6)Molar Volume: 137.4 cm³; (7)Surface Tension: 53.8 dyne/cm; (8)Enthalpy of Vaporization: 55.56 kJ/mol; (9)Vapour Pressure: 0.000918 mmHg at 25°C. Keep tightly closed after use it. And this compond should be store in a cool dry place.

  Methyl 5-formyl-2-hydroxybenzoate is sold in the market. You can get it from suppliers such as Ningbo Hi-Tech Biochemicals Co., Ltd., Jinan Lekangxin Pharmaceutical Co., Ltd., and Zhongbang Science and Technology Co., Ltd.. Its purity can be determined by HPLC. The purity can be about 98% with the appearance of light yellow powder.