Pre-sale COA is not the latest batch

Product Name:	Lambrolizumab	Catalogue Number:	GR-168009853
Batch Size:	100g	Lot Number:	20230608
CAS Number:	1374853-91-4	Production Date:
Molecular Formula:	C85H170N4OS	Report Date:	2023-06-08
Molecular Weight:	1296.4	Expiry Date:
		Storage:	Room temperature, Protected from light and Sealed

Test Items	Specifieation	Results
Appearance	Light brown to colorless liquid	Conforms
Concentration	25.0±2.5mg/ml	26.5mg/ml
Non-reduced CE-SDS	Main peak ≥ 90.0%	98.6%
SEC-HPLC	Main peak ≥ 95.0%	99.2%
Isoelectric Point	Corresponds to reference standard	Conforms
Bacterial endotoxins	≤ 30EU/mg	Conforms
Residual proteins of host cell	≤ 100ng/mg	1ng/mg
Exogenous residual DNA	≤ 100pg/mg	1pg/mg
Residual protein A	≤ 100ng/mg	1ng/mg
Biological Activity	Compared with standard, the range of biological activity is from 80% to 125%	101.0%
Osmolality	Corresponds to reference standard	Conforms
Peptide mapping	Corresponds to reference standard	Conforms
N-terminal sequence	Corresponds to reference standard	Conforms

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Prepared by:	Reviewed by:	Aproved by General manager:
Date:	Date:	Date: