PRODUCT NAME: Tretinoin EP Impurity C
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TRE-001
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	3555-80-4
Mol. Formula	C20H28O2
Molecular Wt	300.4 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	(2Z,4Z,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid
Chemical Name	Tretinoin EP Impurity C
Synonyms	11,13-Di-Cis-Retinoic Acid; Isotretinoin Impurity C

Test	Results
Appearance	Pale yellow to yellow solid
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	Slightly soluble in chloroform, ethyl acetate, and methanol; soluble in acetonitrile
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