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Tuesday 27 May 2025

Cantidad : 1 - Precio : 6 000,00 €

用于轨道几何测量的数字式滚动轨距规 便携式滚动轨距仪专为测量轨距和超高而设计。该设备轻巧、可靠且易于使用，提供无与伦 比的测量精度。 软件系统支持存储和分析测量数据。它可用于轨道检查和轨道维护。 它便于携带，支持夜间和隧道施工，即使在阳光直射下也清晰易读，是轨道微调、轨道施工 、检查和铺设的理想测量工具。 特点 ：1. 大型 LED 背光显示屏：特别适用于白天户外和漆黑的夜晚 2.快速校准操作：简单的 测量过程 3.大容量电池：待机时间长 4. 测量准确：保持长期稳定性 5、温度 补偿：工作温度为-30～+55℃ 6.绝缘设计 7.抗电磁干扰 8.防水：可在雨天使用 9...

Tuesday 27 May 2025

Azelaic acid is a topical antiacne agent which exerts its therapeutic action through a myriad of antimicrobial, antiproliferative and cytostatic effects. In vitro, azelaic acid hasbeen shown to inhibit DNA polymerases in several tumor cell lines. Application: A.Polymers and related materials...

Tuesday 27 May 2025

Precio : 1 050,00 €

Digital Track Gauge Digital Track Gauge can directly read the measurement values of railway track gauge, super elevation , check rail gauge and back to back distance through microelectronics, embedded and sensor technologies and OLED display screen. Features 1. Large LED backlit display...

Tuesday 27 May 2025

Cantidad : 1050

Digital Track Gauge Digital Track Gauge can directly read the measurement values of railway track gauge, super elevation , check rail gauge and back to back distance through microelectronics, embedded and sensor technologies and OLED display screen. Features 1. Large LED backlit display...

Saturday 24 May 2025

Ethyl formate is used as a solvent for nitrocellulose and cellulose acetate, and is used in medicine as an intermediate for uracil, cytosine, and thymine. Brand: Soarwin CAS No.: 109-94-4 EC Number: 203-721-0 Molecular Formula: C3H6O2 Density: 0.921 g/mL at 20 °C (lit.) Melting point...

Saturday 24 May 2025

Methyl formate is a widely used low-boiling solvent. It can be directly used as an insecticide, fungicide, and fumigant for treating grains, fruits, dried fruits, and tobacco. It is often used as an intermediate in medicine, pesticides, and organic synthesis, and a solvent for cellulose acetate...

Saturday 24 May 2025

Quercetin is a pentahydroxyflavone having the five hydroxy groups placed at the 3-, 3'-, 4'-, 5- and 7-positions. It is one of the most abundant flavonoids in edible vegetables, fruit and wine. It has a role as an antibacterial agent, an antioxidant, a protein kinase inhibitor, an...

Saturday 24 May 2025

Triethyl phosphite can be used in pesticides to synthesize the insecticides chlorfenapyr and cypermethrin. It is used in medicine to produce the analgesic pizotifen. It can also be used as a plasticizer, stabilizer, and additive for lubricating oils and greases. Brand: Soarwin CAS No...

Saturday 24 May 2025

Berberine is the main active ingredient extracted from the rhizomes of Coptis, goldenseal family. It exists in the form of quaternary ammonium salt in nature, and its hydrochloride is commonly used in clinic. Berberine hydrochloride has many pharmacological effects such as anti-microbial...

Saturday 24 May 2025

Trimethyl phosphite is an important organophosphorus intermediate. It can be used to synthesize organophosphorus insecticides such as dichlorvos, monocrotophos, phosphamidon, mefenphos, dicrotophos, and chlorpyrifos. It can also be used to synthesize other intermediates such as O...

Saturday 24 May 2025

1,3-Cyclohexanedione is an intermediate of the herbicides sulfotrione and mesotrione and is used in organic synthesis. Brand: Soarwin CAS No.: 504-02-9 EC Number: 207-980-0 Molecular Formula: C6H8O2 Density: 1,1 g/cm3 Melting point: 101-105 °C (lit.) Boiling point: 170.05°C (rough...)

Saturday 24 May 2025

Malononitrile is the raw material for preparing 2-amino-4,6-dimethoxypyrimidine and 2-chloro-4,6-dimethoxypyrimidine. It can be used to produce sulfonylurea herbicides such as benzylsulfuron-methyl and pyrazosulfuron-methyl. It can also be used to manufacture the herbicide bispyribac-sodium...

Saturday 24 May 2025

Synthetic raw materials are used for the synthesis of propionitrile and electroplating solutions, and also for the synthesis of drugs such as acetazolamide and methotrexate. Used as intermediates for medicine, dyes and electroplating solutions. Brand: Soarwin CAS No.: 107-91-5 EC number...

Saturday 24 May 2025

Arbutin is a β-D-glucopyranoside HQ derivative and a plant-derived compound found in the dried leaves of several plant species, including blueberry, cranberry, bearberry, and pear trees. It suppresses tyrosinase activity without altering RNA expression. Arbutin is used primarily for...

Saturday 24 May 2025

Purpose: It is used as a strong alkaline catalyst, an ethoxylation agent, and as a coagulant and reducing agent in organic synthesis. Pharmaceutical products using sodium ethoxide include phenobarbital, indomethacin, phenytoin, methyl dopa, tetracaine hydrochloride, diethylzinc, methotrexate...

Saturday 24 May 2025

Sodium methanolate, also known as sodium methylate, is an organic compound with the formula NaOCH3. It is a white, hygroscopic solid that is soluble in methanol and other polar solvents. Sodium methanolate is primarily used as a strong base in organic synthesis, where it plays a...

Saturday 24 May 2025

Glycolic acid is a well-known organic acid with a range of important applications across various industries. Its discovery and multiple uses make it a key compound in the industrial and cosmetic fields. Glycolic acid (C₂H₄O₃) was first isolated in 1832 by French chemist Henri Braconnot...

Saturday 24 May 2025

Cyanoacetic acid, a compound with the formula NCCH2COOH, was first synthesized in the late 19th century as chemists explored derivatives of acetic acid. Cyanoacetic acid is characterized by the presence of both a cyano group (CN) and a carboxyl group (COOH), making it a versatile...

Saturday 24 May 2025

Ethyl cyanoacetate may be used in the synthesis of ethyl glyoxylate. It was used to investigate the Knoevenagel condensation reactions in microreactor using zeolite catalysts obtained by grafting amino groups onto NaX and CsNaX zeolites. Brand: Soarwin CAS No.: 105-56-6 EC number...

Saturday 24 May 2025

Methyl cyanoacetate is an intermediate in the preparation of α-cyanoacrylate, malononitrile, 1,1-cyclohexanediacetic acid dye. It is used as UV absorber or stabiliser, intermediate for pharmaceuticals. It may be used in the synthesis of various 1,2,5-tricarbonyl compounds. Brand: Soarwin CAS No...

Saturday 24 May 2025

Dimethyl malonate is a reagent used in organic synthesis. It acts as a precursor for the synthesis of mono-substituted and di-substituted acetic acid, barbiturates, vitamin B1 and vitamin B6. It is used in the pharmaceutical industry to prepare pharmaceuticals like chloroquine and butazolidin...

Saturday 24 May 2025

Curcumin is the major yellow pigment in turmeric and curry and has antioxidant, anti-inflammatory, and antitumor activities. Curcumin is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). The curcuminoids are polyphenols...

Saturday 24 May 2025

Fisetin, a well-known plant flavonol from natural flavonoid group, is found in traditional medicines, plants, vegetables, fruits. Fisetin also has anti-oxidant, anti-inflammatory, anti-tumor effects. Fisetin is primarily used in laboratory bioactivity studies as an analytical standard...

Saturday 24 May 2025

Diethyl malonate is the diethyl ester of malonic acid. It naturally occuring in grapes and strawberries, is widely used in the manufacture of pharmaceuticals, antioxidants, and dyes. Diethyl malonate is used in organic synthesis for the preparation of alpha-aryl malonates, mono-substituted...

Saturday 24 May 2025

Solvent. Softener. Organic synthesis. Chromatographic analysis reagents. In agricultural analysis, it is used as a developing agent for paper chromatography for the analysis of amino acid contents in rice. Amides have active reactivity and special solubility capabilities, and can...

Saturday 24 May 2025

4,6-Dihydroxypyrimidine (cas# 1193-24-4) is a compound useful in organic synthesis. Brand: Soarwin CAS No.: 1193-24-4 EC number: 214-772-3 Molecular Formula: C4H4N2O2 Density: 1.4421 (rough estimate) Boiling point: 209.98°C (rough estimate) Melting point: >300 °C (lit.) Ubicación : No...

Saturday 24 May 2025

Thiophosgene is a photo degradation product of the agricultural fungicide Folpet (F402000). Brand: Soarwin CAS No.: 463-71-8 EC number: 207-341-6 Molecular Formula: CCl2S Density: 1.508g/cm3 Boiling point: 73 °C Melting point: <25 °C</span> Flashing point: 62 °C Ubicación : No...

Friday 23 May 2025

1,3-Dichloroacetone is an important intermediate in the synthesis of quinolone antibacterial drugs (such as ciprofloxacin). Used in the synthesis of complex polycyclic peptides and other organic compounds. Due to its strong lachrymatory effect, it can also be used as a tear gas agent...

Friday 23 May 2025

Hexachloroacetone was used in the synthesis of chirally deuterated benzyl chlorides and enol phosphate 2,2-dichloro-1-(trichloromethyl)ethenyl diethyl phosphate. It was also used in obtaining efficient amino acid activation by exploiting the rapid formation of acid chlorides under...

Friday 23 May 2025

A yellow-colored liquid with an irritating pungent odor. Light sensitive, but stabilized with the addition of small amounts of water and/or calcium carbonate. Slightly soluble in water and denser than water. Vapors much heavier than air. Irritates skin and eyes. Very toxic by ingestion...