Analytical Reference substance
Levothyroxine N-Formyl Impurity,N-Formyl-T4 (USP)
N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine
Product Number: OLY-LEVO-NFOR
CAS Number: 671235-41-9
Lot Number:
Molecular Formula: C16H11I4NO5
Molecular Weight: 804.88
Long Term Storage: 02-08 °C
Appearance:
Melting Point:
Purity By HPLC: NLT 96%
| Sr No. | Test | Results | Date ref. |
|---|---|---|---|
| 1 | 1H NMR | Confirm | Report Attached |
| 2 | Mass | Confirm | Report Attached |
| 3 | HPLC | NLT 96% | 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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