3,4-Dimethoxy-3-cyclobutene-1,2-dione

3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) is a cyclobutene derivative. It reacts with hydroxylamine derivatives to afford 3-hydroxyamino-4-methoxy-3-cyclobutene-1,2-diones.

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Catalog Number	CBB1113565
Alternative Name(s)	Dimethyl squarate
Molecular Formula	(CH3O)2C4(=O)2
CAS#	5222-73-1
Purity	>99%
Inchi	1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
Inchi Key	SZBNZTGCAMLMJY-UHFFFAOYSA-N
SMILES	COC1=C(OC)C(=O)C1=O
Size	Inquiry
Supplier Page	https://www.amerigoscientific.com/34-dimethoxy-3-cyclobutene-12-dione-item-113565.html