1-(3-bromo-phenyl)-4-(3-bromo-phenylhydrazono)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester is a complex organic compound with a molecular formula of C18H14Br2N4O3. It is characterized by the presence of a pyrazole ring, which is a five-membered heterocyclic ring containing three nitrogen atoms. The compound features two bromine atoms attached to phenyl groups, which are connected to the pyrazole ring through a hydrazono linkage. The carboxylic acid group is esterified with an ethyl group, making it an ethyl ester. This chemical is known for its potential applications in pharmaceutical research, particularly in the development of new drugs and medicinal compounds. Its unique structure and functional groups make it an interesting candidate for further study and exploration in the field of chemistry and drug discovery.

7157-54-2

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Basic information
1. Product Name: 1-(3-bromo-phenyl)-4-(3-bromo-phenylhydrazono)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
2. Synonyms:
3. CAS NO:7157-54-2
4. Molecular Formula:
5. Molecular Weight: 494.142
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: 1-(3-bromo-phenyl)-4-(3-bromo-phenylhydrazono)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: 1-(3-bromo-phenyl)-4-(3-bromo-phenylhydrazono)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(7157-54-2)
11. EPA Substance Registry System: 1-(3-bromo-phenyl)-4-(3-bromo-phenylhydrazono)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(7157-54-2)
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: 7157-54-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7157-54-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,5 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7157-54:
(6*7)+(5*1)+(4*5)+(3*7)+(2*5)+(1*4)=102
102 % 10 = 2
So 7157-54-2 is a valid CAS Registry Number.

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