4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone) is a complex organic compound with the molecular formula C20H14N4O4. It is derived from the parent compound 4-phenylbenzophenone, which undergoes a reaction with 2,4-dinitrophenylhydrazine to form the hydrazone derivative. 4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone) is characterized by its yellow crystalline appearance and is often used in chemical research and analysis due to its unique chemical properties. The presence of the 2,4-dinitrophenylhydrazone group provides it with distinct spectroscopic characteristics, making it a valuable tool in the identification and study of related chemical compounds.

2519-19-9

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Basic information
1. Product Name: 4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone)
2. Synonyms:
3. CAS NO:2519-19-9
4. Molecular Formula:
5. Molecular Weight: 438.442
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: 4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone)(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone)(2519-19-9)
11. EPA Substance Registry System: 4-phenyl-benzophenone-(2,4-dinitro-phenylhydrazone)(2519-19-9)
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: 2519-19-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2519-19-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,1 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2519-19:
(6*2)+(5*5)+(4*1)+(3*9)+(2*1)+(1*9)=79
79 % 10 = 9
So 2519-19-9 is a valid CAS Registry Number.

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