3,4-Dibenzothiophenedicarboxylic anhydride is a chemical compound with the molecular formula C14H6O3S2. It is a derivative of dibenzothiophene, a heterocyclic aromatic compound consisting of two benzene rings fused to a thiophene ring. This anhydride is formed by the oxidation of 3,4-dihydroxydibenzothiophene, resulting in the loss of two hydroxyl groups and the formation of an anhydride bridge between the two carboxylic acid groups. It is a white to off-white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals, dyes, and other organic compounds. The compound is known for its stability and resistance to chemical degradation, making it a valuable building block in the development of new materials and chemicals.

5616-47-7

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Basic information
1. Product Name: 3,4-Dibenzothiophenedicarboxylic anhydride
2. Synonyms:
3. CAS NO:5616-47-7
4. Molecular Formula:
5. Molecular Weight: 254.266
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: 3,4-Dibenzothiophenedicarboxylic anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: 3,4-Dibenzothiophenedicarboxylic anhydride(5616-47-7)
11. EPA Substance Registry System: 3,4-Dibenzothiophenedicarboxylic anhydride(5616-47-7)
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: 5616-47-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5616-47-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,1 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5616-47:
(6*5)+(5*6)+(4*1)+(3*6)+(2*4)+(1*7)=97
97 % 10 = 7
So 5616-47-7 is a valid CAS Registry Number.

5616-47-7Upstream product

5616-47-7Downstream Products

132-65-0 dibenzothiophene

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