Low Price with Good Quality 3-Methyl-7- (2-butyn-1-yl) -8-Bromoxanthine CAS#666816-98-4¹

Product Description 3-Methyl-7- (2-butyn-1-yl) -8-Bromoxanthine CAS: 666816-98-4Product Name: 3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine- 4CAS No.: 666816 - 98 - 4Molecular Formula (MF): C10H9BrN4O2Molecular Weight (MW): 297.11EINECS No.: 613 - 975 - 8Purity: 99%Appearance: White to Off-White Crystalline Powder.Synonyms: 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione; 8-broMo-7-(but-2-ynyl)-3-Methyl-3,7-dihydropurine-2,6-dione;3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine; 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione; 8-broMo-7-(but-2-yn-1-yl)-3-Methyl-1H-purine-2,6(3H,7H)-dione; 8-broMo-7-but-2-yn-1-yl-3-Methyl-3,7-dihydro-1H-purine-2,6-dione; 8-BroMo-7-(2-butyn-a-yl)-3,7-dihydro-3-Methyl-1-1H-purine-2,6-dione; Linagliptin interMediateCApplication: It serves as a pharmaceutical intermediate of Linagliptin.SpecificationITEMSPECIFICATIONMelting point285 °CDensity1.71Storage temp.2 - 8°CSolubilityDMSO (Slightly), Methanol (Slightly)pKa8.91 ± 0.70 (Predicted)Formpowder to crystalColorWhite to Almost whiteWelcome to contact us to get complete COA.Shanghai Lonwin Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.Mature Technical support 4.Professional logistic support All we want is win-win business. Send yr. inquiries, you will get it!Storage:keep container tightly closed in a dry and well-ventilated place.Packing:25kgs/bag or 25kgs/drum WeightPacking<25KGBy foil-alum bag/pap/bottle≥25kgPackage: 25kg/drum/bag or as your requestPackaging & DeliveryCompany ProfileLonwin Chemical Industry Group. is a company committing to contract synthesis and production of photoinitiators,fluorocarbon surfactants, indicators, intermediates and APIs.Our company has ISO and REACH internationalcertification, in Jiangsu, Anhui and other places with decades of cooperation of OEM processing plants, to provide amore solid support for the customized production service of special chemicals.Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East, and customersare highly satisfied with our products and service!To achieve sustainable and steady development, we establish closely cooperative relationships with famousuniversities and institutions of China. We regularly exchange information with them and make cooperation on theR&D of new technologies.Sticking to the business philosophy of "quality first, credit first, service first, creativity first", we are doing our best tomeet demands of customers all around the world. We sincerely welcome your visit and business, and look forwardto cooperating with you for expanding international market together! FAQQ1: Have your Product Quality been Approved by Third Party LabA: Yes, All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China. So you will be assuredwith Good Quality if you choose us.  Q2: How do you treat quality complaintA: First of all, our QC department will do strict examination of our export products by HPLC, UV, GC,TLC and so on in order toreduce the quality problem to near zero. If there is a real quality problem ,caused by us, we will send you free goods forreplacement or refund your loss. Q3: How to cooperate with usA: You can contact us for cooperation through the website contact information, or contact with the salesmen in our company.We will connect you about the specific detail via email.  Q4: Do you Accept Sample OrderA: Yes, we accept small order from 10g, 100g and 1kg for your evaluation quality of our goods. Q5: Is there any discountA: Yes, for larger quantity, we always support with better price.   Q6: How long does it take to the goods arrivedA: It is Depending on your location.For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.For mass order, please allow 5-8 days by Air, 20-35 days by Sea. Q7: Do you have any reshipment policy  A: We have good after-sale service and re-shipment policy if the parcel  lose.Our long association with  our clients has brought great benefits.We always take the upmost care in the packaging of our products .Our clients will confirm this as even they struggle to find them without help at times.But in spite of our best efforts it is still possible  will seize a small number of packages.In this circumstance we promise reship free  to establish  long term relationship.

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