Analytical Reference substance

Linagliptin N-Formyl Impurity

8-[(3R)-3-Formylamino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione


Product Number: OLYLI0010.0NFOR
CAS Number: N.A.
Lot Number:
Molecular Formula: C26H28N8O3
Molecular Weight: 500.55

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: 17-12-2026
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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