山西永津集團有限公司穩(wěn)定供應4 - 甲基傘形酮（CAS90-33-5，別名甲基傘形酮、7 - 羥基 - 4 - 甲基香豆素、4 - 甲基 - 7 - 羥基苯并吡喃酮），產品純度穩(wěn)定≥99%，淺黃白色結晶粉末，紫外熒光特性優(yōu)異，批次雜質低、指標穩(wěn)定，可提供全套 COA 質檢報告、合規(guī)資質文件，支持 1kg 試樣、25kg 紙板桶標準包裝及噸級大批量現貨直發(fā)。本品屬于香豆素類熒光活性單體，紫外激發(fā)下具備強藍色熒光，下游應用覆蓋多核心行業(yè)：醫(yī)藥領域用作體外熒光檢測探針、細胞熒光染色試劑、肝藥酶抑制劑原料藥，用于抗炎、抗氧化、骨質疏松改善類藥物合成，也是藥物溶出度熒光指示劑；日化行業(yè)作為織物、洗滌、護膚品專用熒光增白劑，提升面料白度、提亮護膚基底色澤；精細染料行業(yè)合成香豆素系熒光染料、激光染料、熒光標記顯色劑；分析化學領域用于液相色譜 HPLC 熒光檢測器專用標準品、水質 / 微生物快速檢測顯色底物；農藥領域合成植物抗病誘導劑、農用熒光示蹤助劑；科研實驗室廣泛用于生物熒光成像、酶活檢測、有機光電發(fā)光材料合成；同時可制備食品熒光保鮮助劑、樹脂熒光改性單體。集團自有標準化香豆素合成生產線，庫存充足、交付周期短，長期為國內外制藥、日化印染、色譜試劑、光電新材料企業(yè)穩(wěn)定供貨。

Shanxi Yongjin Group Co., Ltd. stably supplies 4-Methylumbelliferone (CAS 90-33-5, also named Methylumbelliferone,7-Hydroxy-4-methylcoumarin,4-Methyl-7-hydroxybenzopyranone) with purity over 99%. It is pale yellowish white crystalline powder with excellent UV fluorescence performance, low impurities and consistent batch indicators. We provide full COA test certificates and compliance documents, supporting 1kg lab samples, 25kg fiber drum standard packages and bulk ton-level spot delivery. As coumarin fluorescent monomer, it emits strong blue fluorescence under UV excitation, widely applied in multiple core industries: In pharmaceutical field, it serves as in-vitro fluorescent detection probe, cell fluorescent staining reagent and hepatic enzyme inhibitor API, used for synthesis of anti-inflammatory, antioxidant and anti-osteoporosis drugs, as well as fluorescent indicator for drug dissolution test; In daily chemical industry, it acts as fluorescent whitening agent for textiles, detergents and skin care products to boost fabric whiteness and brighten cosmetic base tone; For fine dye industry, it synthesizes coumarin fluorescent dyes, laser dyes and fluorescent labeling chromogenic agents; In analytical chemistry, it is standard reference material for HPLC fluorescence detector and chromogenic substrate for rapid water & microorganism detection; In pesticide field, it manufactures plant disease resistance inducer and agricultural fluorescent tracing additive; In research labs, it is widely adopted in biological fluorescence imaging, enzyme activity assay and organic photoluminescent material synthesis. It can also be processed into food fluorescent preservation auxiliary and fluorescent modified resin monomer. Our group owns standardized coumarin synthesis production lines with sufficient inventory and short lead time, offering long-term stable supply for pharmaceutical, textile & daily chemical, chromatographic reagent and optoelectronic new material enterprises worldwide.