Product name:Polytetramethylene ether glycol polyol Expiry Date:2011-7-29 8:52:58CAS No:25190-06-1 Country: Explained in detail:Please provide us polytetramethylene glycol having a molecular weight of 1000 , making note of the provenance. Company:SchaeferRolls GmbH & Co. KG Email:r.schulz@schaeferrolls.com Tel:49 7159 806279 Name:Mr. Robert Schulz