Pyridinium 4-toluenesulfonate, as a mild organic acid catalyst and multifunctional reagent, plays an important role in organic synthesis, pharmaceutical manufacturing, materials science and other fields. Brief introduction Pyridine p-toluenesulfonate is an organic salt composed of pyridine cation and p-toluenesulfonate anion, with the chemical formula C12H11NO3S. Its unique structure endows it with mild acidity, good solubility,

In fields such as medicine, chemical engineering, and materials science, pyridine hydrochloride, as an important organic intermediate, is becoming a “hidden hero” driving technological innovation due to its unique chemical properties. 1. Pharmaceutical synthesis: the key “catalyst” for innovative drugs Pyridine hydrochloride is widely used in the pharmaceutical field for the synthesis of pharmaceutical intermediates,

Pyridine p-toluenesulfonate, as a mild organic acid catalyst and multifunctional reagent, plays an important role in organic synthesis, pharmaceutical manufacturing, materials science and other fields. Brief introduction Pyridine p-toluenesulfonate is an organic salt composed of pyridine cation and p-toluenesulfonate anion, with the chemical formula C12H11NO3S. Its unique structure endows it with mild acidity, good solubility,

In 2024, China’s original iron ore reserves were 104.194 million tons, a year-on-year increase of 1.2%; The production of iron concentrate powder was 284.02 million tons, a year-on-year decrease of 1.5%. During the same period, the import volume of iron ore reached 1236.55 million tons, a year-on-year increase of 4.9%, accounting for about 72% of

Xing Yiteng, Deputy Director of the Development Planning Department of the National Energy Administration, stated on July 31st that in the first half of this year, the country’s energy supply was sufficient, the overall supply and demand were loose, the energy structure continued to optimize, and the construction of a new energy system accelerated, helping

In the first half of 2025, China’s phenol export volume was 28800 tons, a year-on-year decrease of 25.39%. The international competition is fierce, and China’s phenol export volume is being squeezed. At present, phenol in China is still at a relatively low level in recent years, and with the expected increase in new supply in

On July 18th, the concept of innovative drugs experienced a volatile rebound. As of 13:52, Anglikang reached its daily trading limit, with its stock price hitting a new historical high. Hanshang Group saw its stock price increase by 10% for two consecutive days, while Jincheng Pharmaceutical, Oulin Biotech, and Jiankai Technology all rose by over

Today (10th), the Ministry of Natural Resources announced that in the first half of 2025, significant breakthroughs will be made in the exploration of important mineral types in China, with 38 new mineral deposits discovered and investment in non oil and gas mineral exploration continuing to increase. In the first half of this year, China

On July 3rd, IT Home reported that according to CCTV News, China Petroleum (8.550, -0.05, -0.58%) learned that China’s first natural gas full chain multi condition cryogenic treatment plant has been fully put into operation in Sichuan, filling the gap in the complete technology chain of deep processing and high-value utilization of natural gas in

According to the latest data from the General Administration of Customs, China imported 10000 tons of soybean oil in May 2025, a decrease of 86.6% compared to the same period last year; From January to May 2025, China imported a total of 30000 tons of soybean oil, a decrease of 75.8% compared to the same