PRODUCT NAME: Abemaciclib Impurity 21
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ABE-027
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	2189739-28-2
Mol. Formula	C10H10BrFN2
Molecular Wt	257.10 g/mol
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	6-Bromo-1-ethyl-4-fluoro-2-methyl-1H-benzo[d]imidazole
Chemical Name	Abemaciclib Impurity 21
Synonyms	1H-Benzimidazole, 6-bromo-1-ethyl-4-fluoro-2-methyl; 6-Bromo-1-ethyl-4-fluoro-2-methyl-1H-benzimidazole

Test	Results
Appearance	White to off-white crystalline powder
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption