PRODUCT NAME: Methotrexate Dimethyl Ester
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MEX-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	34378-65-9
Mol. Formula	C₂₂H₂₆N₈O₅
Molecular Wt	482.49
Synonyms	N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic Acid Dimethyl Ester; Dimethyl Methotrexate; EP Methotrexate Impurity D; Methotrexate EP Impurity J
Long Term Storage Condition	-20°C Freezer
Handling instruction	Sample COA

Test	Results
Appearance	Brownish Yellow to Dark Red Solid
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	DMSO (Slightly), Methanol (Slightly, Sonicated)
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