cat-online.com
Analyses of peptides, Quality control
http://www.cat-online.com/quality%20control.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Quality control is of prime concern in our company. In the downloadable pdf-file, a few of our standard procedures for quality management are listed. For more details download quality PDF. May 2015, successful (No 483). Juni 2015, successful. Please visit our booth at:. 34th European Peptide Symposium 2016, Leipzig.
cat-online.com
Shipment
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Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Of certificate of analysis. Shipment is possible by any carrier (FEDEX, DHL, TNT.). Whether temperature control is necessary or not depends upon the regulations of the customer. Samples may be sent in any suitable container (Eppendorf tubes, Screw cap vials, .). May 2015, successful (No 483). Juni 2015, successful.
cat-online.com
GMP analyses
http://www.cat-online.com/gmp%20inspections.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Our laboratory was inspected by the FDA in 2004, 2008, 2012 and 2015 by the Regierungspraesidium Tuebingen (responsible for GMP-inspections in Germany) in 2006, 2011 and 2015. May 2015, successful (No 483). Juni 2015, successful. Please visit our booth at:. 34th European Peptide Symposium 2016, Leipzig.
cat-online.com
Analyses of peptides HPLC
http://www.cat-online.com/impurity%20profile%20by%20hplc.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Impurity profile by HPLC. Impurity profile by HPLC. In order to establish the impurity profile of a sample via HPLC, two different methods of detection can be offered, either UV (Diode Array detector or multi wavelength detector) or MS detection. Area percentage profile at two wavelengths with injection in duplicate.
cat-online.com
amino acid analysis
http://www.cat-online.com/amino%20acid%20composition.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. We offer one of the most efficient amino acid analysis,the Enantiomerlabeling: The amino acid enantiomers are used as excellent multi-internal standards. For the calculation the enantiomeric purity of the standard as well of the sample is taken into account. Calculation of the amino acid concentration:. For descriptio...
cat-online.com
Analyses of peptides, Sequencing
http://www.cat-online.com/sequencing.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Peptide sequence via MSn. For peptide sequencing we use the MS/MS method. Whether complete elucidation of the sequence is possible or not depends on the nature of the sequence. For peptides containing 20-30 amino acid residues, complete sequence elucidation is usually possible. MSn or the combination HPLC-MS. The dete...
cat-online.com
Analysis of peptides, Molecular weight by MS
http://www.cat-online.com/molecular%20weight%20by%20ms.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Molecular weight by MS. Molecular weight by MS. The molecular mass of impurities is determined by HPLC- ESI-MS. Sample amount 1mg of the sample. The sequence of the peptide. Protective groups if present. For a description of the method please contact info@cat-online.com. May 2015, successful (No 483).
cat-online.com
Expanded reports
http://www.cat-online.com/expanded%20reports.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. As a rule,customers receive a certificate of analysis containing the results together with the original raw data (chromatograms) and a general description of the analytical method used. If requested, expanded reports containing the following items are also offered:. A more specific description of the method employed.
cat-online.com
Sample amounts
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Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. The following amounts of sample plus an additional amount for sample handling are required. Without determination of blind values. At least 3mg, better 5mg. At least 1mg, better 3mg. AcOH / TFA - content. At least 3mg, better 5mg. Enantiomeric purity of amino acid derivatives. At least 2mg, better 5mg. The error of sa...
cat-online.com
C.A.T. team
http://www.cat-online.com/team.html
Amino acids as contaminants. Molecular weight by MS. Impurity profile by HPLC. CAT GmbH and Co. Chromatographie und Analysentechnik KG. Phone: 49 (0) 7071 / 78323. Fax: 49 (0) 7071 / 75163. Tel 49 7071 78323. Tel 49 7071 78323. Quality Managment / GCMS. Tel 49 7071 78323. Tel 49 7071 78323. Tel 49 7071 78323. Tel 49 7071 78323. Tel 49 7071 78323. Main field: achiral Chromatography. Tel 49 7071 78323. Main field: achiral Chromatography. Tel 49 7071 78323. Tel 49 7071 78323. Tel 49 7071 78323.