4-Hydroxyphenylglyoxylic Acid from Mexico
4-Hydroxyphenylglyoxylic acid is an aromatic compound bearing both hydroxy and alpha-keto acid (glyoxylic) functions, making it a carboxylic acid with a ketone function but no other oxygen-containing groups. It is a separate chemically defined organic compound, as required by Chapter 29 Note 1(a), and is used as an intermediate in pharmaceutical and fine chemical synthesis.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is a single chemically defined compound with no added substances that could shift classification
• Keep a certificate of analysis to confirm purity and identity for CBSA inspection
• Verify whether the end use triggers any controlled substance or precursor regulations