cis-Montelukast CAS 774538-96-4

CAS Number

774538-96-4

Grade

Highly Purified

Molecular Formula

C35H36ClNO3S

Molecular Weight

586.18

EU Commodity Code

38220090

Shipping Temp

Blue Ice

Storage Temp

-20°C

1-[[[(1R)-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid;

The cis geometric isomer of Montelukast. An impurity of Montelukast.

Synonyms

1-[[[(1R)-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid; Montelukast Impurity G; Montelukast EP Impurity G; Montelukast USP Related Compound G; Montelukast cis Isomer

CAS No

774538-96-4

Molecular Formula

C₃₅H₃₆ClNO₃S

Melting Point

As Reported

Solubility

Chloroform (Sligthly), Dichloromethane (Slightly), Methanol (Slightly, Sonicated)

Elemental Analysis

Theoretical: %C: 71.71, %H: 6.19, %N: 2.39

Method for Determining Identity

Proton NMR (CDCl3) Spectroscopic and Mass Spectrometric Analysis

TLC Conditions

As Reported

Storage and Stability

Light and temperature sensitive. May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Store under inert atmosphere in amber vials. For maximum recovery of product, centrifuge the original vial prior to removing the cap.

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

Toxicity and Hazards

All products should be handled by qualified personnel only, trained in laboratory procedures.

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017839 cis-Montelukast CAS: 774538-96-4

CAS Number

Grade

Molecular Formula

Molecular Weight

EU Commodity Code

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1-[[[(1R)-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid;

References

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