Labelled Methacetin is evaluated in a breath test to predict early liver disfunction due to valproic acid and other cause. Methacetin breath test (MBT) is a rapid, non-invasive assessment of liver function in acute severe liver disease and a potential key tool in future dignosis.

CAS：72156-70-8
中文别名：碳-13美沙西汀;N-(4-甲氧基-13C-苯基)乙酰胺;4\'-甲氧基乙酰苯胺-甲氧基-13C;
英文别名：METHACETIN-METHOXY-13C;
分子式：C9H11NO2
分子量：166.182
精确质量：166.082
Psa：38.33
Logp：1.7266

MDL号：MFCD00084017
PubChem号：24866674

熔点：128-130ºC(lit.)
稳定性：Light and moisture sensitive

危险类别码：R22
危险品标志：Xn