for peptides&pharmaceutifals Purity by HPLC:>=98.5% white powder Accords with the standard fast delivered Product NameL-tert-Leucine CAS No. 20859-02-3Molecular Formula C6H13NO2 Molecular Weight 131.1729Purity (HPLC)≥98.5% AppearanceWhite to off white powderMelting point 300°CSpecific Rotation (20/D) -8.0°~ -10.5°(C=3, H2O) TLCOne Spot It is for peptides&pharmaceuticals L-tert-Leucine,L-2-Amino-3 ...
1. Standard:BP/EP 2. Packing:1kg/Tin; 5 Tins per Carton 3. Lead time:15-20 days after receiving the original L/C or paymen Product NameKetotifen FumarateQuanlity Standard:BP2007 ITEMSPECIFICATIONCharacters:White to brownish-yellow,fine,crystalline powder.Identification:TLCIR spectrumSolubility:Sparingly soluble in water,slightly soluble in methanol,very slightly soluble in acetonifrileClarity and ...
1.PACKING: IN 200KG/DRUM OR 25KG/DRUM 2.ASSAY: 99.5% MIN 3.APPEARANCE: COLOURLESS OR YELLOWISH LIQUID 4.CASE NO.90-05-1 GUAIACOL EP6 INDENTIFICATION IR ABSORPTION SPECTROPHOTOMETRY COMPARES TO REFERENCE SPECTRUMTLC CORRESPONDS WITH REFERENCE CHROMATOGRAMAPPEARANCE OF SOLUTION CLEAR AND ≤BY6ACIDITY OR ALKALINITY ≤0.05ML OF 0.1 M HCL OR 0.1 M NAOHIMPURITY-HPLC 0.05%masRELATED SUBSTANCESIMPURITY B: ...
5 years producing experience, 5 tons/month, export to Indonesia, Taiwan and South America, Europe, etc ITEM TESTEDSTANDARDRESULTSAppearanceAn almost colorless or pale-yellowish liquid Pale-yellowish liquidIdentification1. IR SpectrumTo match with Reference StandardComplies2. MpBetween 132°and 136°Complies3.Bromine R TestPositive reactionPositive reaction4. BY TLCTo be ...
... solution.CONFORMIdentificationa) I.R. Spectrum similar to reference standard b) TLC same Rf as reference standard. Water By K.F.Not ... more than 1.0%a) TLC b) BY HPLC a) TLC total impurities less than 1.0% b) HPLC ...
Hot Products: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9
Copyright Notice @ 2008-2022 ECOL Limited and/or its subsidiaries and licensors. All rights reserved.