3-O-Methylfluorescein

3-O-甲基荧光素

Also known as: 3'-hydroxy-6'-methoxyspiro[2-benzofuran-3,9'-xanthene]-1-one, 2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)benzoic acid, 3-O-Methylfluoresceine, Crystalline 3-O-Methylfluorescein, Benzoic acid, 2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)-

3-O-Methylfluorescein (CAS 65144-30-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H14O5 and a molecular weight of 346.33300 g/mol. It is also known as 3'-hydroxy-6'-methoxyspiro[2-benzofuran-3,9'-xanthene]-1-one, 2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)benzoic acid and 3-O-Methylfluoresceine. Key properties include a boiling point of 586.9ºC at 760 mmHg, a density of 1.49g/cm3 and a flash point of 215.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

65144-30-1

Jingsj CID

J-1410568-5

Molecular Formula

C₂₁H₁₄O₅

Chinese Name

3-O-甲基荧光素

Molecular Weight

346.33300 g/mol

Category

Organic Compounds

Last updated

8/21/2026