5-methoxy-3H-1,3-benzoxazole-2-thione

5-甲氧基苯并[d]恶唑-2(3H)-硫酮

Also known as: 5-Methoxy-1,3-benzoxazole-2(3H)-thione, 5-Methoxybenzo[d]oxazole-2(3H)-thione, 5-Methoxybenzoxazole-2-thiol, 5-Methoxy-2-mercaptobenzoxazole, 2-Mercapto-5-methoxybenzoxazole, 2-Mercapto-5-methoxybenzo[d]oxazole, 5-methoxy-3H-benzooxazole-2-thione, Omeprazole Impurity 55

5-methoxy-3H-1,3-benzoxazole-2-thione (CAS 49559-83-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H5NO2S and a molecular weight of 167.185 g/mol. It is also known as 5-Methoxy-1,3-benzoxazole-2(3H)-thione, 5-Methoxybenzo[d]oxazole-2(3H)-thione and 5-Methoxybenzoxazole-2-thiol. Key properties include a melting point of 218-223ºC, a boiling point of 326.7±44.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 151.4±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

49559-83-3

Jingsj CID

J-1340007-5

Molecular Formula

C₇H₅NO₂S

Chinese Name

5-甲氧基苯并[d]恶唑-2(3H)-硫酮

Molecular Weight

167.185 g/mol

Category

Ketones

Last updated

8/21/2026