N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline is a complex organic compound characterized by its unique molecular structure. It is derived from the fluorene family, with a specific double bond (E) configuration at the 9th position, and features two nitro groups at the 2nd and 5th positions. N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline is known for its vibrant color and is often used in the synthesis of dyes and pigments due to its chromophoric properties. Its chemical structure provides it with specific electronic characteristics, which are valuable in various chemical and industrial applications.

7402-97-3

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Basic information
1. Product Name: N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline
2. Synonyms:
3. CAS NO:7402-97-3
4. Molecular Formula: C₁₉H₁₁N₃O₄
5. Molecular Weight: 345.3083
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 538.1°C at 760 mmHg
3. Flash Point: 279.2°C
4. Appearance: N/A
5. Density: 1.44g/cm³
6. Vapor Pressure: 4.19E-11mmHg at 25°C
7. Refractive Index: 1.715
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline(CAS DataBase Reference)
11. NIST Chemistry Reference: N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline(7402-97-3)
12. EPA Substance Registry System: N-[(9E)-2,5-dinitro-9H-fluoren-9-ylidene]aniline(7402-97-3)
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: 7402-97-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7402-97-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,0 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7402-97:
(6*7)+(5*4)+(4*0)+(3*2)+(2*9)+(1*7)=93
93 % 10 = 3
So 7402-97-3 is a valid CAS Registry Number.

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