Certificates of Analysis
Certificates of Analysis, or COA's, are documents that show our Quality Control testing results for the specific product batch/lot. Every COA is written according to a standard industry format. A copy of the certificate of analysis (COA) is printed along with the product information sheet; these documents are accompanied with the product in every customer shipment.
We ensure the quality of each batch through:
- • Raw material testing
- • Intermediate compound quality testing
- • Product quality testing
- • Sample retention of each batch for at least half a year Certificate of Analysis (COA) is provided for each product.
Our quality control techniques include:
- • Nuclear Magnetic Resonance (HNMR; CNMR)
- • Chromatography (HPLC, TLC, gas chromatography)
- • Mass spectrometry (LC-MS)
- • Spectroscopy (IR, UV)
- • Polarimetry
- • Trace metal content analysis
- • Elemental analysis
- • Titration (acid titration, alkaline titration)
- • Amino acid analysis