S-Phenyl-N-Acetylcysteine

**Semantic type:** Organic Chemical

**Definition:** A modified form of acetylcysteine that is a metabolite of benzene and may be found in the urine of smokers.

**Synonyms:** - 2-Acetamido-3-Phenylthiopropanoic Acid - L-Cysteine, N-Acetyl-S-Phenyl- - Phenylmercapturic Acid - S-Benzyl Mercapturic Acid - S-Phenylmercapturic Acid - SPMA