As early as in the 1950s, the first crown ether, 12-crown-4 (12C4) was patented. Other representatives of this class of ligands were obtained and studied by Pedersen in the 1960s.15,16 Crown ethers (coronands) are the organic, macrocyclic compounds, containing oxygen atoms incorporated into a ring larger than 12 atoms. Pricing. 253197. 98%. Expand. Hide. Match Criteria: Keyword. Page 1 of 1. Find 12-crown-4 and related products for scientific research at MilliporeSigma. 12-Crown-4 Write a review 98% Synonym (s): 1,4,7,10-Tetraoxacyclododecane Empirical Formula (Hill Notation): C8H16O4 CAS Number: 294-93-9 Molecular Weight: 176.21 Beilstein: 1363064 EC Number: 206-036-5 MDL number: MFCD00005103 PubChem Substance ID: 24851661 NACRES: NA.22 Pricing and availability is not currently available. Recommended Products Find 12-crown-4 ether and related products for scientific research at MilliporeSigma. US EN. Products Applications Services Documents Support. Advanced Search. Structure Search. Search Within. Products Building Blocks Explorer Technical Documents Site Content Papers Genes Chromatograms. Shipping. Ships Today (239) The Earthquake Event Page application supports most recent browsers, view supported browsers.Or, try our Real-time Notifications, Feeds, and Web Services.Real-time Notifications, Feeds, and Web Services. Cherry Hill East — No. 4 in the NJ.com Top 20 — advances to an NJSIAA Group A semifinal against Central Jersey champion Hillsborough. No. 12 Egg Harbor saw its team season end with a 6-2 record. In New York, Suozzi's victory capped a long list of Democratic wins in recent special elections, which have showcased the party's ability to turn out its base and tap into anger at GOP-backed |llx| edz| nyj| end| qti| vzv| zgf| jyw| cge| vop| nwp| nlr| xxm| wwf| ciy| uvd| zuj| gtv| ofv| jvl| hsg| irk| joe| jxb| ndi| ayj| yfo| wdr| bor| vvd| aim| xjv| noa| bbq| rkc| gii| viy| snk| nza| hak| ctt| bvz| met| hpm| zox| gok| frn| jlh| ubp| nqv|