9-oxo-benzo[e]bicyclo[2.2.2]octane-2,3-dicarboxylic anhydride is a complex organic compound with the molecular formula C13H11NO4. It is derived from the benzo[e]bicyclo[2.2.2]octane structure, which features a benzene ring fused to a bicyclo[2.2.2]octane ring system. The compound is characterized by the presence of a 9-oxo group, indicating a carbonyl group at the 9-position, and two carboxylic acid groups at the 2 and 3 positions, which are further converted into an anhydride. This anhydride is a cyclic ester formed by the removal of a water molecule from two carboxylic acid groups. It is an important intermediate in the synthesis of various pharmaceuticals and other organic compounds due to its unique structure and reactivity. The anhydride group in 9-oxo-benzobicyclo<2.2.2>octane-2,3-dicarboxylic anhydride allows for the formation of esters and other derivatives, making it a versatile building block in organic synthesis.
4428-22-2
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Basic information
- Product Name:
9-oxo-benzo
bicyclo<2.2.2>octane-2,3-dicarboxylic anhydride - Synonyms: 9-oxo-benzo
bicyclo<2.2.2>octane-2,3-dicarboxylic anhydride - CAS NO:4428-22-2
- Molecular Formula:
- Molecular Weight: 242.231
- EINECS: N/A
- Product Categories: N/A
- Product Name:
9-oxo-benzo
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 9-oxo-benzo
bicyclo<2.2.2>octane-2,3-dicarboxylic anhydride(CAS DataBase Reference) - NIST Chemistry Reference: 9-oxo-benzo
bicyclo<2.2.2>octane-2,3-dicarboxylic anhydride(4428-22-2) - EPA Substance Registry System: 9-oxo-benzo
bicyclo<2.2.2>octane-2,3-dicarboxylic anhydride(4428-22-2)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 4428-22-2(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 4428-22-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,2 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.Calculate Digit Verification of CAS Registry Number 4428-22:
(6*4)+(5*4)+(4*2)+(3*8)+(2*2)+(1*2)=82
82 % 10 = 2
So 4428-22-2 is a valid CAS Registry Number.
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4428-22-2Downstream Products
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9-oxo-benzobicyclo<2.2.2>octane-2,3-dicarboxylic anhydride
