ent-Montelukast Sodium Salt

CAS: 190078-45-6

Ref. TR-M567995

Product Information

• Name: ent-Montelukast Sodium Salt
• Synonyms: Cyclopropaneacetic acid, 1-[[[(1S)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-, sodium salt (1:1), Cyclopropaneacetic acid, 1-[[[(1S)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-, monosodium salt (9CI), Cyclopropaneacetic acid, 1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-, monosodium salt, [S-(E)]-, L 768232, (S)-Montelukast, ent-Montekulast Sodium Salt, Montelukast Sodium Imp. A (EP) as Sodium Salt, 1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Sodium Salt

Description

Impurity Montelukast EP Impurity A
Applications ent-Montelukast Sodium Salt (Montelukast EP Impurity A) is the S-enantiomer of Montelukast. Results indicate that there is no apparent bioinversion of Montelukast to its S-enantiomer in humans.
References Cheng, H., et al.: Pharm. Res., 11, 824 (1994), Amin, R., et al.: J. Pharm. Biomed. Anal., 13, 155 (1995), Jones, T., et al.: Can. J. Physiol. Pharmacol., 73, 191 (1995), Labelle, M., et al.: Bioorg. Med. Chem. Lett., 5, 283 (1995),

• Brand: TRC

Chemical properties

• Molecular weight: 608.17
• Formula: C₃₅H₃₅ClNO₃S·Na
• Color/Form: Off-White To Light Yellow
• InChI: InChI=1S/C35H36ClNO3S.Na/c1-34(2,40)30-9-4-3-7-25(30)13-17-32(41-23-35(18-19-35)22-33(38)39)27-8-5-6-24(20-27)10-15-29-16-12-26-11-14-28(36)21-31(26)37-29;/h3-12,14-16,20-21,32,40H,13,17-19,22-23H2,1-2H3,(H,38,39);/q;+1/p-1/b15-10+;/t32-;/m0./s1
• InChI key: InChIKey=LBFBRXGCXUHRJY-YBGTYPRZSA-M
• SMILES: CC(C)(O)c1ccccc1CC[C@H](SCC1(CC(=O)O[Na])CC1)c1cccc(/C=C/c2ccc3ccc(Cl)cc3n2)c1