Ether Exceeds A.C.S. Specifications HPLC Grade
Test Specification Min Max ASSAY (by GC) 99.50% STABILIZER 1.5 - 2.5 % 1.5 - 2.5 % COLOR (APHA) 10 ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST...
Methyl Alcohol Anhydrous
Test Specification Min Max ASSAY (CH[@4@]O) Approx. 99.8 % - Approx. 99.8 % - WATER (100 ml size) 0.01% WATER (1L size) 0.00% RESIDUE AFTER EVAPORATION 0.00%
Methyl Alcohol Exceeds A.C.S. Specifications HPLC Grade
Test Specification Min Max ASSAY (by GC) 99.90% APPEARANCE TO PASS TEST TO PASS TEST SOLUBILITY IN WATER TO PASS TEST TO PASS TEST ULTRAVIOLET ABSORBANCE (1 cm cell vs....
Methyl Alcohol Electronic Grade
Test Specification Min Max ASSAY 99.90% SOLUBILITY IN WATER TO PASS TEST TO PASS TEST WATER 0.05% RESIDUE AFTER EVAPORATION 5 ppm COLOR (APHA) 10 ACIDITY 0.3 �eq/g ALKALINITY 0.1...
Ethyl Ether Anhydrous Reagent ACS
Test Specification Min Max ASSAY [(CH[@3@]CH[@2@])[@2@]O] 99.00% COLOR (APHA) 10 PEROXIDE (as H[@2@]O[@2@]) 1 ppm RESIDUE AFTER EVAPORATION 0.00% TITRABLE ACID 0.0002meq/ CARBONYL (as HCHO) 0.00% ALCOHOL (CH[@3@]CH[@2@]OH) TO PASS...
2-Chloro-1-methylpyridinium Iodide
Test Specification Min Max PURITY (HPLC; Area %) 95.00%
Methyl Alcohol LC/MS Grade
Test Specification Min Max Assay (by GC-FID) 99.90% 99.90% REFRACTIVE INDEX @ 20�C 1.328 1.3288 WATER (BY KF COULOMETRY) 0.05% RESIDUE AFTER EVAPORATION 1 ppm LC GRADIENT ELUTION SUITABILITY AT:...
Ether Without Stabilizer PestiSolv(R)
Test Specification Min Max ASSAY (by GC) 99.50% 99.50% RESIDUE AFTER EVAPORATION 1 ppm PEROXIDE CONTENT (as H[@2@]O[@2@]) 1 ppm ALCOHOL TO PASS TEST(lim TO PASS TEST(lim WATER 0.03% HALOGENATED...
Phenol Loose Crystal Reagent ACS
Test Specification Min Max ASSAY (C[@6@]H[@5@]OH) 99.00% FREEZING POINT (DRY) 40.5 C CLARITY OF SOLUTION TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 0.05% WATER 0.50%
Methyl tert-Butyl Ether PestiSolv(R)
Test Specification Min Max ASSAY (by GC) 99.80% COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 2 ppm PEROXIDE (as H[@2@]O[@2@], AT TIME OF PACKG.) 1 ppm WATER 0.05% HALOGENATED RESIDUE BY...
Methyl tert-Butyl Ether Reagent
Test Specification Min Max ASSAY 98% DENSITY (g/ml) @ 20[dC 0.737 - 0.742 0.737 - 0.742 IDENTIFICATION TO PASS TEST TO PASS TEST
Metacresol USP EP
Test Specification Min Max ASSAY 98 102.00% APPEARANCE/CLARITY OF SOLUTION TO PASS TEST TO PASS TEST ORGANIC IMPURITIES TO PASS TEST TO PASS TEST RELATED SUBSTANCES TO PASS TEST TO...
Peptide Synthesis Reagents
Spectrum Chemicals Australia
Peptide synthesis reagents assist in connecting chains of amino acid residues via amide linkages. Peptides composed up to 10 amino acid residues are referred to small peptides, while those with up to 100 residues are known as polypeptides. Since the number of naturally occurring bioactive peptides is limited, peptide synthesis enables the further research for functional analysis of the peptides. To date, peptides with several dozen of residues can be obtained by solid phase peptide synthesis. Peptides with a small number of residues can also be prepared in a large scale by liquid phase synthesis. This section shows reagents used in peptide synthesis. contact us