Analytical Reference substance
ERYTHROMYCIN EP IMPURITY B / 3-N-DESMETHYLERYTHROMYCIN A
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-6-[3-hydroxy-6-methyl-4-(methylamino)tetrahydropyran-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclote
Product Number: OLY-ERY-B
CAS Number: 992-62-1
Lot Number: OLYERY0010.0B
Molecular Formula: C36H65NO13
Molecular Weight: 719.9
Long Term Storage: 02-08 °C
Appearance: Off White Solid
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 |
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
Dr. Ashish Keche
Head of QA & QC
Reviewed by
Dr. Girish Hatnapure
Head of R& D
Dr. Girish Hatnapure
Head of R& D
Approved by
Dr. Atish Rodge
Managing Director
Dr. Atish Rodge
Managing Director
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