11-Nor-Delta9-THC-9-Carboxylic Acid Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of 11-nor-delta-9-THC-9-carboxylic acid present in a sample.

**Synonyms:** - 11-Nor-Delta9-THC-9-Carboxylic Acid - 11-Nor-Delta9-THC-9-Carboxylic Acid - THC-COOH - THCCOOH