Analytical Reference substance

ROXITHROMYCIN EP IMPURITY A

(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]ox


Product Number: OLY-ROX-A
CAS Number: 114-07-8
Lot Number: OLYROX0010.0A
Molecular Formula: C37H67NO13
Molecular Weight: 733.93

Long Term Storage: 2-8
Appearance: Off White Solid
Melting Point:
Purity By HPLC: NLT 98%

Sr No. Test Results Date ref.
1 1H NMR Confirm Report Attached
2 Mass Confirm Report Attached
3 HPLC NLT 98% Report Attached
Expiry Date: 13-11-2026
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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