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Chemexper Chemical Directory catalogue chemicals CASno Structure SMILES "ChemExper". Chemxpert Database Chemxpert Chemical Database small molecules database buyers,suppliers "ChemxpertDB". 10,00000 Chemical Book East West University: commercially available compounds CASno, suppliers, properties "Chemical Book". 200,000 Chemical Register
The imidazole groups on TCDI can be easily displaced, allowing it to act as a safer alternative to thiophosgene.This behaviour has been used in the Corey–Winter olefin synthesis. [2]
Aldrich's chemicals catalog, the "Aldrich Catalog and Handbook" is often used as a handbook due to the inclusion of structures, physical data, and literature references. The Sigma Logo. Sigma is the Sigma-Aldrich's main biochemical supplier, with offerings including antibiotics , buffers , carbohydrates , enzymes , forensic tools , hematology ...
VWR International is an American company involved in the distribution of research laboratory products, with over 1,200,000 items to more than 250,000 customers in North America and Europe. The U.S. division is headquartered in Radnor, Pennsylvania .
Chemical formula Synonyms CAS number Ac 2 O 3: actinium(III) oxide: 12002–61–8 Ag: silver: 7440-22-4 AgAlCl 4: silver tetrachloroaluminate: 27039–77–6 AgBr: silver bromide: 7785–23–1 AgBrO 3: silver bromate: 7783–89–3 AgCN: silver cyanide: 506–64–9 AgC 2 H 3 O 2: silver acetate: 563–63–3 AgCl: silver chloride: 7783–90 ...
Soon thereafter William Boon from the Imperial Chemical Industries published a different synthesis method of what he called 1:3-dimethyliminazolid-2-one. [7] The compound was more closely studied in the 1960s, [8] [9] [10] with its adoption as a solvent starting in the 1970s. [4]
The compound hydrolyzes to hydrazoic acid: [5] (CH 3) 3 SiN 3 + H 2 O → (CH 3) 3 SiOH + HN 3. The compound adds to ketones and aldehydes to give the siloxy azides and subsequently tetrazoles: [3]
TcI 3 has the same structure as the high temperature phase of TiI 3, featuring chains of confacial octahedra with equal Tc—Tc contacts. [12] Several anionic technetium halides are known. The binary tetrahalides can be converted to the hexahalides [TcX 6] 2− (X = F, Cl, Br, I), which adopt octahedral molecular geometry. [14]
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