Chemical Reagents

1. small order. 2. free shipping Product NameBoc-His-OH; CAS No.17791-52-5  Molecular FormulaC11H17N3O4  Molecular Weight 255.3  AppearanceWhite fine crystalsSpecific Rotation (20/D)+26°, c = 1 in CH3OHMelting Point195 ±2°C ...

1. small order. 2. free shipping Product NameBoc-Gln-ONpCas No.[15387-45-8] Molecular FormulaC16H21N3O7Molecular Weight367.4 Purity (HPLC)98% min.AppearanceWhite PowderSpecific Rotation-40±2º (c=1 in EtOH)Melting Point155-160°CTLCOne Spot ...

1. small order. 2. free shipping Product NameBoc-Gln-OHCAS No.13726-85-7Molecular FormulaC10H18N2O5Molecular Weight 246.3Purity (HPLC)98% min.AppearanceWhite to off white powderMelting Point113-123 oC (dec.)Specific Rotation (20/D)-3.5±1o (c=2, EtOH)300 MHz NMR Spectrum...

1. small order. 2. free shipping Product NameBoc-L-Asp(OBzl)-OHCAS No.7536-58-5Molecular FormulaC16H21NO6Molecular Weight 323.35Purity (HPLC)98.5% min.AppearanceWhite to off-white powderMelting Point102~106 oC (dec.)Specific Rotation (20/D)-18±2o (c=2, in DMF)300 MHz NMR...

1. small order. 2. free shipping Product NameBoc-Asp-OtBuCas No.34582-32-6Molecular FormulaC13H23NO6Molecular Weight 289.40Appearance White powderPurity(HPLC)98.5%min.Melting Point105.3-105.4oCSpecific Rotation-25.2o(C=1 in MeOH)Clarity of solution0.3 gram in 2ml DMF clear solutionMass...

1. small order. 2. free shipping Product NameZ(2-Cl)-OSu;  N-(2-Chloro-Z) succinimide;    N-(2-Chlorobenzyloxycarbonyloxy)succinimide CAS No.65853-65-8 Molecular FormulaC12H10ClNO5Molecular Weight 283.67 Purity (HPLC)99% min. AppearanceWHITE...

1. small order. 2. free shipping Product NameFmoc-NH2;9-Fluorenylmethyl Carbamate;CAS No.84418-43-9Molecular FormulaC15H13NO2Molecular Weight 239.27AppearanceWhite to off white powderPurity (HPLC)98% min.Melting Point200-206 oC (dec.)TLC  AnalysisOne spotLoss on drying< 0.2%Use...

1. small order. 2. free shipping Product NameTSTUCAS No. 105832-38-0Molecular FormulaC9H16BF4N3O3Molecular Weight 301.1AppearanceWhite to off white powderPurity (HPLC)97% min. ...

1. small order. 2. free shipping Product NameTDBTUCAS No. 125700-69-8Molecular FormulaC12H16BF4N5O2Molecular Weight 349.1AppearanceWhite powderPurity (HPLC)98% min.Melting Point147°C±1 ...

1. small order. 2. free shipping Product NameDIC;N,N'-DiisopropylcarbodiimideCAS No.693-13-0Molecular FormulaC7H14N2Molecular Weight126.20AppearanceClear colorless to faint yellow liquidPurity (HPLC)98.5% min.Boiling Point145-148ºDensity1.2 g/mL (lit.) ...