1-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one is a complex organic compound with a unique structure. It is a derivative of cyclopenta[b]phosphol, a heterocyclic compound containing a phosphorus atom. The molecule features a hexahydro (six-carbon) ring system with a phosphorus atom at the 1-position, a carbonyl group (1-oxo) at the 3-position, and two phenyl groups attached to the 1 and 2 positions. 1-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one is characterized by its molecular formula C17H19OP and a molecular weight of 270.31 g/mol. It is an important intermediate in the synthesis of various phosphorus-containing compounds and may have potential applications in the fields of pharmaceuticals, agrochemicals, and materials science.

40203-68-7

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Basic information
1. Product Name: 1-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one
2. Synonyms:
3. CAS NO:40203-68-7
4. Molecular Formula:
5. Molecular Weight: 310.332
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-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 1-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one(40203-68-7)
11. EPA Substance Registry System: 1-oxo-1,2-diphenyl-hexahydro-1λ⁵-cyclopenta[b]phosphol-3-one(40203-68-7)
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: 40203-68-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 40203-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40203-68:
(7*4)+(6*0)+(5*2)+(4*0)+(3*3)+(2*6)+(1*8)=67
67 % 10 = 7
So 40203-68-7 is a valid CAS Registry Number.

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