1,2-Diphenyl-pyrazolidine-3,5-dione is a chemical compound with the molecular formula C17H14N2O2. It is a white crystalline solid that belongs to the class of pyrazolidinediones, which are derivatives of pyrazolidine, a heterocyclic compound containing a pyrazole ring fused to a lactone ring. This particular compound features two phenyl groups attached to the pyrazolidine ring, which contribute to its stability and reactivity. It is synthesized through various methods, such as the condensation of phenylhydrazine with diethyl oxalate, and is used in the preparation of pharmaceuticals and other organic compounds. Due to its unique structure, 1,2-diphenyl-pyrazolidine-3,5-dione has potential applications in the development of new drugs and materials, making it an important compound in the field of organic chemistry.

6139-67-9

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Basic information
1. Product Name: 1,2-diphenyl-pyrazolidine-3,5-dione
2. Synonyms: 1,2-diphenyl-pyrazolidine-3,5-dione
3. CAS NO:6139-67-9
4. Molecular Formula:
5. Molecular Weight: 252.272
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: 1,2-diphenyl-pyrazolidine-3,5-dione(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,2-diphenyl-pyrazolidine-3,5-dione(6139-67-9)
11. EPA Substance Registry System: 1,2-diphenyl-pyrazolidine-3,5-dione(6139-67-9)
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: 6139-67-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6139-67-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6139-67:
(6*6)+(5*1)+(4*3)+(3*9)+(2*6)+(1*7)=99
99 % 10 = 9
So 6139-67-9 is a valid CAS Registry Number.

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