BLOCK - 4553 Annonces

Thursday 21 August 2025

Unitronics Vision130 PLC+HMI OPLC – Automate Control Engineering Ltd. (winston@automate-ace.com)   Vision130.Connects! PLC, HMI & onboard I/Os plus ETHERNET, SMS/GPRS, CANopen, MODBUS...   The Vision130.is a palm-sized PLC with a built-in Operator Panel. The panel offers a graphic...

Wednesday 20 August 2025

Prix : -----

la presse vibrante de nouvelle génération r-500 – une solution optimale pour les entreprises modernes dans le domaine de la fabrication de produits en béton. cet équipement universel convient à la production de : · blocs creux pour murs (20×20×40 cm), · dalles et pavés pour trottoirs...

Tuesday 19 August 2025

Quantité : 1kg; 25kg;

Ethylenediaminetetraacetic acid (EDTA, molecular weight 292) and its salts are aminopolycarboxylic acids that effectively chelate calcium ions in blood specimens. Chelation of calcium or removal of calcium from the reaction site will block and terminate the endogenous or exogenous...

Saturday 16 August 2025

Quantité : 1kg; 25kg;

Methyl trifluoroacetate is an important trifluoromethyl-containing reagent and building block. It has important applications in the synthesis of organic fluorine compounds. It can condense with esters, ketones, nitriles, etc. containing α-hydrogen, and further synthesize complex organic...

Thursday 14 August 2025

Quantité : 1kg; 25kg;

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 09 August 2025

In a world grappling with population boom, waste overgrowth, climate change, and resource scarcity, improving the efficiency of recycling usable resources has become increasingly critical. Efficient recycling not only reduces environmental pressure but also alleviates resource shortages...

Thursday 07 August 2025

Quantité : 1kg; 25kg;

Tranexamic acid is a derivative of aminomethylbenzoic acid, and a kind of antifibrinolytic drugs to stop bleeding. The hemostasis mechanism of tranexamic acid is similar to aminocaproic acid and aminomethylbenzoic acid, but the effect is stronger. Fibrinolysis, the cleavage of fibrin by plasmin...

Wednesday 06 August 2025

Quantité : 1kg; 25kg;

Methyl 2-chloropropionate is used as initiator during the synthesis of acrylamide homopolymers and acrylamide-N-isopropylacrylamide block copolymers. It is also used to produce 2-thiophen-2-yl-propionic acid methyl ester.   Brand: Soarwin CAS No.: 535-13-7 EC Number: 208-610-0 Molecular Formula...

Tuesday 05 August 2025

Used for epidural block, subarachnoid block, nerve conduction block, and mucosal surface anesthesia.   Brand: Soarwin CAS No.:  94-24-6 EC Number:  202-316-6 Molecular Formula: C15H24N2O2 Density:  1.044 g/cm3 Melting point: 41.0 to 45.0 °C Boiling point: 389.4°C at 760 mmHg Flash point: 189...

Saturday 02 August 2025

Quantité : 28 tons pe - Prix : under on request

Notre entreprise est l'un des principaux fabricants et exportateurs de bois durs et de produits dérivés du bois en Amérique du Sud. Notre entreprise produit et exporte des produits à base de bois de santal vert brésilien (un bois précieux et noble), en utilisant les procédés les plus...

Saturday 02 August 2025

Quantité : 1kg; 25kg;

Octanoyl chloride is a versatile reagent used in organic synthesis:  Used as an acylating agent for a variety of compounds, including sugars (e.g., sucrose), aromatic compounds (e.g., anisole), and monoglycerides. Pharmaceuticals: Used in the synthesis of (R)-2-propyloctanoic acid...

Saturday 02 August 2025

Quantité : 1kg; 25kg;

2-(Cyclohexylimido)ethyl chloride hydrochloride is a white to nearly white powder crystal. 1-(2-Chloroethyl)azepane hydrochloride is a key intermediate in the synthesis of various pharmaceutical compounds, including bazedoxifene and setastine . It is also used as a building block...

Saturday 02 August 2025

Quantité : 1kg; 25kg;

3-Benzhydrylquinuclidine-3-one is primarily used as an intermediate in the synthesis of various organic compounds and pharmaceuticals. It is particularly useful in the preparation of complex molecules due to its structural features, which include a quinuclidine ring and a benzhydryl group...

Saturday 02 August 2025

Protect your construction sites and materials with our Insulated Tarps for Cold Weather from Qingdao Agrishade Mesh Co., Ltd. Designed with advanced multi-layer polyethylene construction and foam insulation, these tarps effectively maintain consistent temperatures, making them ideal...

Friday 01 August 2025

Quantité : 1kg; 25kg;

- -1-Phenyl-1,2,3,4-tetrahydroisoquinoline is primarily used as an intermediate in the synthesis of pharmaceutical compounds. It is a key intermediate in the production of solifenacin succinate, a drug used to treat overactive bladder symptoms. Additionally, it is used in the synthesis...

Friday 01 August 2025

Quantité : 1kg; 25kg;

1-Phenyl-1,2,3,4-tetrahydroisoquinoline is primarily used as an intermediate in the synthesis of various pharmaceutical compounds. It is particularly important in the preparation of solifenacin succinate, an antimuscarinic drug used to treat overactive bladder symptoms. It is also...

Thursday 31 July 2025

Quantité : 1kg; 25kg;

Clemastine fumarate is a potent, long-acting, fast-acting, highly selective histamine H1 receptor antagonist that simultaneously blocks H1 receptors and antagonizes cytotoxicity. It is mainly used clinically for allergic diseases such as allergic skin diseases and allergic rhinitis...

Wednesday 30 July 2025

Quantité : 1kg; 25kg;

Melamine, a triazine compound with the formula C3H6N6, is an organic base known for its applications in industrial chemistry and materials science. The molecule is composed of a 1,3,5-triazine ring with three amine groups attached, conferring it high nitrogen content and exceptional...

Wednesday 30 July 2025

Dimethocaine exhibits local anesthetic properties similar to those of cocaine, but with a more favorable safety profile. Its primary application is in the field of medicine, where it is used for topical anesthesia in various surgical and dental procedures. Due to its ability to block...

Wednesday 30 July 2025

Used for epidural block, subarachnoid block, nerve conduction block, and mucosal surface anesthesia.   Brand: Soarwin CAS No.:  94-24-6 EC Number:  202-316-6 Molecular Formula: C15H24N2O2 Density:  1.044 g/cm3 Melting point: 41.0 to 45.0 °C Boiling point: 389.4°C at 760 mmHg Flash point: 189...

Tuesday 29 July 2025

Quantité : 1kg; 25kg;

Phenothiazine is an organic compound with a unique structure that consists of a sulfur atom and two nitrogen atoms incorporated into a three-ring system. This compound has been the subject of significant research since its discovery in the late 19th century. Initially synthesized...

Tuesday 29 July 2025

Quantité : 1kg; 25kg;

1,4-Cyclohexanedicarboxylic Dimethyl Ester is a building block that has been used as a reactant for the preparation of cycloalkylamide derivatives as inhibitors of the soluble epoxide hydrolase.   Brand: Soarwin CAS No.: 94-60-0 EC Number: 202-347-5 Molecular Formula: C10H16O4 Density: 1...

Saturday 26 July 2025

Quantité : 1kg; 25kg;

Acrolein, also known by its systematic name propenal, is a highly reactive unsaturated aldehyde with the molecular formula C₃H₄O. It was first identified in the 19th century by the decomposition of fats and glycerol, where it was noted for its strong, pungent odor. Acrolein's reactivity...

Friday 25 July 2025

Ethyl 4,4,4-trifluoroacetoacetate is a transparent colorless to light yellow liquid used as pesticide intermediates. As a fine intermediate, it is widely used in the synthesis of fluorine-containing pesticides, pharmaceuticals and organic intermediates; an important intermediate for...

Friday 25 July 2025

Quantité : 1kg; 25kg;

2-Amino-N-(2,2,2-trifluoroethyl)acetamid e hydrochloride is a chemical compound notable for its distinctive structure and wide range of applications in both research and industry. This compound, commonly referred to by its chemical name, is a derivative of acetamide with a trifluoroethyl...

Friday 25 July 2025

Quantité : 1kg; 25kg;

1-(3,5-Dichloro-4-fluorophenyl)-2,2,2-tr ifluoro-ethanone is a chemical compound of interest due to its unique structure and potential applications in various fields of organic synthesis and materials science. This compound consists of a trifluoroethanone group attached to a phenyl...

Friday 25 July 2025

  mu-conotoxin is a peptide with highly specialized activity, which is mainly derived from the venom ducts of the marine gastropod mollusk Conus conchiferus and the venom glands in the inner wall of the venom sac. Conotoxin is highly selective for different ion channels and nerve receptors...

Friday 25 July 2025

Quantité : 1kg; 25kg;

Uracil was first discovered in 1900 by German chemist Robert Behrend. Its name is derived from the Greek word "ouron," meaning urine, because uracil was originally isolated from urine. This pyrimidine derivative was subsequently recognized as an essential component of ribonucleic acid (RNA)...

Friday 25 July 2025

  Atosiban is a combined receptor antagonist of contractin and pressor V1A. The structure of contractin receptor and pressor V1A receptor is similar. When the contractin receptor is blocked, the contractin can still act through the V1A receptor, so it is necessary to block both of...

Tuesday 22 July 2025

Quantité : 1kg; 25kg;

tert-Butyl bromoacetate serves as building blocks during the synthesis of model N-substituted oligoglycines (peptoids) containing an N-linked lactoside side-chain. tert-Butyl bromoacetate is used as an intermediate in the production of dyes, pharmaceuticals, agrochemicals and in organic...