Phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride is a complex organic compound with the chemical formula C16H6O3S. It is derived from phenanthro[4,3-b]thiophene, a fused-ring aromatic compound consisting of a phenanthrene and a thiophene ring. The anhydride form of phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride features two carboxylic acid groups (-COOH) that are joined together by an anhydride bridge, resulting in the loss of a water molecule (H2O). phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride is of interest in the field of organic chemistry and material science, particularly for its potential applications in the synthesis of various pharmaceuticals, dyes, and other specialty chemicals. Its unique structure and properties make it a valuable building block for the development of new compounds with specific functionalities.

4733-18-0

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Basic information
1. Product Name: phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride
2. Synonyms:
3. CAS NO:4733-18-0
4. Molecular Formula:
5. Molecular Weight: 304.326
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: phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride(4733-18-0)
11. EPA Substance Registry System: phenanthro[4,3-b]thiophene-4,5-dicarboxylic acid-anhydride(4733-18-0)
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: 4733-18-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4733-18-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,3 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4733-18:
(6*4)+(5*7)+(4*3)+(3*3)+(2*1)+(1*8)=90
90 % 10 = 0
So 4733-18-0 is a valid CAS Registry Number.

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4733-18-0Downstream Products

195-68-6 phenanthro[4,3-b]thiophene

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