PRODUCT NAME: Methotrexate EP Impurity G
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MEX-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2519848-42-9
Mol. Formula	C28H29N9O6
Molecular Wt	587.6 g/mol
IUPAC	(2S)-2-[[4-[[4-[[(2,4-diaminopteridin-6-yl)methyl]methylamino]benzoyl]methylamino]benzoyl]amino]pentanedioic acid
Synonyms	Methotrexate EP Impurity G
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption