Analytical Reference substance

Montelukast EP Impurity A, Montelukast Sodium (S)-Isomer, Ent-Montelukast 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 sal


Product Number: OLY-MON-A
CAS Number: 190078-45-6
Lot Number:
Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608.17

Long Term Storage: 02-08 °C
Appearance:
Melting Point:
Purity By HPLC: NLT 95

Sr No. Test Results Date ref.
1 1H NMR Confirm Report Attached
2 Mass Confirm Report Attached
3 HPLC NLT 95 Report Attached
Expiry Date: 26-11-2026
This certificate is valid for two years from the date of Manufacturing Provided the substance is stored under the recommended conditions.

Document data reference:
Prepared by

Dr. Ashish Keche
Head of QA & QC
Reviewed by

Dr. Girish Hatnapure
Head of R& D
Approved by

Dr. Atish Rodge
Managing Director

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