377406

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

99%

Manufacturer: Sigma Aldrich

CAS Number: 5222-73-1

Synonym(S): Dimethyl squarate

Select a Size

Pack Size SKU Availability Price
1 G 377406-1-G In Stock ₹ 3,853.70
5 G 377406-5-G In Stock ₹ 12,762.68

377406 - 1 G

₹ 3,853.70

In Stock

Quantity

1

Base Price: ₹ 3,853.70

GST (18%): ₹ 693.666

Total Price: ₹ 4,547.366

Quality Level

100

Assay

99%

form

solid

mp

55-57 °C (lit.)

storage temp.

2-8°C

SMILES string

COC1=C(OC)C(=O)C1=O

InChI

1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3

InChI key

SZBNZTGCAMLMJY-UHFFFAOYSA-N

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Description

  • General description: 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.[1]
  • Application: 3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) may be used in the synthesis of the following compounds: chiral squaramides, highly enantioselective catalyst for the Friedel-Crafts reactions of indoles[2] 3-(hydroxyamino)-4-methoxy-3-cyclobutene-1,2-dione[3]squarate derivatives of the O-SP-core antigens[4]methyl squarate derivative of the Ogawa O-SP-core antigen[5]o-quinodimethanes[6]benzocyclobutenes[6]quinones[7][8]

SAFETY INFORMATION

Pictograms

GHS08

Signal Word

Danger

Hazard Statements

H317,H334

Precautionary Statements

P261 - P280 - P342 + P311

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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form:
solid

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55-57 °C (lit.)

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SMILES string:
COC1=C(OC)C(=O)C1=O

InChI:
1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3

InChI key:
SZBNZTGCAMLMJY-UHFFFAOYSA-N

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1S/C3H4Cl2/c4-2-1-3-5/h1-2H,3H2/b2-1-

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UOORRWUZONOOLO-UPHRSURJSA-N

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SMILES string:
[Mn++].[O-]C([O-])=O

InChI:
1S/CH2O3.Mn/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChI key:
XMWCXZJXESXBBY-UHFFFAOYSA-L