2-Pyridylhydroxymethanesulfonic acid

α-羟基-2-吡啶甲磺酸

Also known as: α-Hydroxy-2-pyridinemethanesulfonic acid, alpha-hydroxypyridine-2-methanesulphonic acid, hydroxy(pyridin-2-yl)methanesulfonic acid, 2-Pyridinemethanesulfonic acid, α-hydroxy-

2-Pyridylhydroxymethanesulfonic acid (CAS 3343-41-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO4S and a molecular weight of 189.18900 g/mol. It is also known as α-Hydroxy-2-pyridinemethanesulfonic acid, alpha-hydroxypyridine-2-methanesulphonic acid and hydroxy(pyridin-2-yl)methanesulfonic acid. Key properties include a melting point of 224-227ºC (subl.)(lit.) and a density of 1.634g/cm3. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3343-41-7

Jingsj CID

J-13542-5

Molecular Formula

C₆H₇NO₄S

Chinese Name

α-羟基-2-吡啶甲磺酸

Molecular Weight

189.18900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026