PRODUCT NAME: Isobutene (ca. 15% in Tetrahydrofuran) Analytical Standard
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	GCS-607
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	115-11-7
Mol. Formula	C4H8
Molecular Wt	56.11
Long Term Storage Condition	Refrigerated (0-10°C)	Handling instruction	Sample COA
IUPAC	2-methylprop-1-ene
Chemical Name	Isobutene (ca. 15% in Tetrahydrofuran) Analytical Standard
Synonyms	Isobutylene (ca. 15% in Tetrahydrofuran),2-Methylpropene (ca. 15% in Tetrahydrofuran)

Test	Results
Appearance	Colorless to Almost colorless clear liquid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 99.0% by (GC)
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble in Water
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