Lot numbers can be found on the outside label of a product:
2,3-Dimethylmaleic anhydride
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CAS No. 766-39-2
- Cat. No. CS-W016566
- Purity≥98%
- MDL No.MFCD00005523
*For research and further manufacturing use only, not for direct human use.
Structure of 766-39-2
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General Information
- CAS No. 766-39-2
- Cat. No. CS-W016566
- Purity ≥98%
- MDL No. MFCD00005523
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₆H₆O₃
- Molecular Weight 126.11
- Synonym(s) None
- SMILES O=C1OC(C(C)=C1C)=O
Description
3,4-Dimethylfuran-2,5-dione is a bench-stable, electron-deficient dienophile featuring two methyl groups that enhance solubility and reactivity in Diels-Alder cycloadditions. This furanone derivative integrates readily into complex molecular architectures under mild conditions, enabling efficient access to functionalized heterocycles with high regiocontrol.
Synthesis
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Route1
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138949-47-0 - ~93%
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In-stock
766-39-2
References
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Ghelfi, Franco; Pattarozzi, Mariella; Roncaglia, Fabrizio; Parsons, Andrew F.; Felluga, Fulvia; Pagnoni, Ugo M.; Valentin, Ennio; Mucci, Adele; Bellesia, Franco Synthesis, 2008 , # 19 art. no. Z12108SS, p. 3131 - 3141
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Route2
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40274-33-7
- ~92%
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In-stock
766-39-2
References
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Ghelfi, Franco; Pattarozzi, Mariella; Roncaglia, Fabrizio; Parsons, Andrew F.; Felluga, Fulvia; Pagnoni, Ugo M.; Valentin, Ennio; Mucci, Adele; Bellesia, Franco Synthesis, 2008 , # 19 art. no. Z12108SS, p. 3131 - 3141
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Route3
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108-31-6
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In-stock
6631-37-4 - ~%
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In-stock
766-39-2
References
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US4639531 A1, ;
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302
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Precautionary Statements : P264-P270-P330-P501
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Quality Control
Computational Chemistry Data
- TPSA 43.37
- LogP 0.4062
- H_Acceptors 3
- H_Donors 0
- Rotatable_Bonds 0
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