5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid is a complex organic compound characterized by its benzofuran ring structure, which is a fusion of a benzene ring and a furan ring. This molecule features two carboxyl groups (-COOH) attached to the 2 and 3 positions of the benzofuran ring, and two methoxy groups (-OCH3) at the 5 and 6 positions. The presence of these functional groups endows the compound with acidic properties, making it a potential candidate for various chemical reactions and applications in fields such as pharmaceuticals, materials science, and organic synthesis. The compound's structure and properties make it a subject of interest for researchers exploring the synthesis and utilization of novel organic compounds with unique reactivity and potential applications.

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Basic information
1. Product Name: 5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid
2. Synonyms: 5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid
3. CAS NO:642-90-0
4. Molecular Formula:
5. Molecular Weight: 266.207
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid(642-90-0)
11. EPA Substance Registry System: 5,6-dimethoxy-benzofuran-2,3-dicarboxylic acid(642-90-0)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 642-90-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 642-90-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 642-90:
(5*6)+(4*4)+(3*2)+(2*9)+(1*0)=70
70 % 10 = 0
So 642-90-0 is a valid CAS Registry Number.

642-90-0Upstream product

6100-60-3 4-methoxybenzene-1,3-diol

642-90-0Downstream Products

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