4-[[5-[(Carboxymethyl)thio]-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-yl]amino]-4-oxobutanoic acid

4-[[5-[(羧甲基)硫基]-4-(4-环丙基萘-1-基)-4H-1,2,4-三唑-3-基]氨基]-4-氧代丁酸

Also known as: Lesinurad Impurity 16, Lesinurad Impurity 15, Lesinurad Impurity N, Lesinurad Impurity E, 4-[[5-(Carboxymethylthio)-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-yl]amino]-4-oxobutanoic acid, Butanoic acid, 4-[[5-[(carboxymethyl)thio]-4-(4-cyclopropyl-1-naphthalenyl)-4H-1,2,4-triazol-3-yl]amino]-4-oxo-, Lesinurad Impurity 6 (dilithium salt)

4-[[5-[(Carboxymethyl)thio]-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-yl]amino]-4-oxobutanoic acid (CAS 1533519-99-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H20N4O5S and a molecular weight of 440.47 g/mol. It is also known as Lesinurad Impurity 16, Lesinurad Impurity 15 and Lesinurad Impurity N. Key property: a density of 1.56±0.1 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1533519-99-1

Jingsj CID

J-1526248-8

Molecular Formula

C₂₁H₂₀N₄O₅S

Chinese Name

4-[[5-[(羧甲基)硫基]-4-(4-环丙基萘-1-基)-4H-1,2,4-三唑-3-基]氨基]-4-氧代丁酸

Molecular Weight

440.47 g/mol

Category

Organic Acids

Last updated

8/21/2026