Chemical Reagents

CAS: 28320-32-3 2,7-Dibromo-9,9-dimethylfluorene Synonyms: 9,9-Dimethyl-2,7-dibromofluorenone;2,7-Dibromo-9,9-dimethyl-fluoro ...

1. small order. 2. free shipping Product NameBoc-Glu(OBzl)-OHCAS No.13574-13-5Molecular FormulaC17H23NO6Molecular Weight 337.38Purity (HPLC)97% min.AppearanceWhite powderMelting Point68~75 oC (dec.)Specific Rotation (20/D)-5±1.5o (c=1, Acetic Acid)300 MHz NMR Spectrum...

1. small order. 2. free shipping Product NameBoc-Glu-NH2; Boc-isoGln-OHCAS No.18800-74-3Molecular FormulaC10H18N2O5 Molecular Weight 246.3Purity (HPLC)98% min.AppearanceWhite fine crystalsESIConsistentSpecific Rotation(20/D)-8.5 DEGREES (C=1 IN MeOH)Melting Point116-120° ...

1. small order. 2. free shipping Product NameBoc-Cys(Acm)-OHCAS No.19746-37-3Molecular FormulaC11H20N2O5SMolecular Weight 292.36Purity (HPLC)98.5% min.AppearanceWhite to off white powderMelting Point111~114 oC (dec.)Specific Rotation (20/D)-30±2o (c=1, in MeOH)300 MHz NMR...

1. small order. 2. free shipping Product NameBoc-Asp(OtBu)-OH·DCHACas No.1913-12-8Molecular FormulaC13H23NO6· C12H23N  Molecular Weight 470.60  Purity (HPLC)98% min.AppearanceWhite PowderSpecific Rotation[a]20/D+19±2° (C=1 in EtOH)TLCOne Spot ...

Purity:98% ...

1. small order. 2. free shipping Product NameSieber Linker;3-Hydroxy-xanthen-9-oneCAS No.3722-51-8Molecular FormulaC13H8O3Molecular Weight 212Purity (HPLC)98% min.TLCOne Spot ...

1. small order. 2. free shipping Product NameHMP Linker;4-(Hydroxymethyl) Phenoxyacetic Acid CAS No. 68858-21-9Molecular FormulaC9H10O4Molecular Weight 182.2AppearanceWhite to off-white powderPurity (HPLC)98% min.Melting Point110~115 oC (dec.) TLC AnalysisOne spot300 MHz 1H...

1. small order. 2. free shipping Product NameCl-HOBt6-Chloro-1-Hydroxy-1H-Benzotriazole;6-Chloro-1-Hydroxybenzotriazole;1-Hydroxy-6-Chlorobenzotriazole;CAS No.26198-19-6Molecular FormulaC6H4ClN3OMolecular Weight 169.57Purity 99% min.Appearance ( at 20°C)Off-white crystalline...

1. small order. 2. free shipping Product NameHCTU1H-Benzotriazolium 1-[bis(dimethylamino)methylene]-5chloro-,hexafluorophosphate (1-),3-oxideCAS No.330645-87-9Molecular FormulaC11H15CIF6N5OPMolecular Weight 413.69Purity (HPLC)98.5% min.Appearance ( at 20°C)White to off-white...