Phosphinic acid, 1,3-propanediylbis[phenyl-], also known as 1,3-bis(phenylphosphino)propane or dppb, is a bidentate phosphorus-based ligand widely used in homogeneous catalysis. It features a propane chain with two phenyl groups attached to each end, which are connected to phosphorus atoms. This structure allows dppb to chelate metal centers, forming stable complexes that are crucial in various catalytic reactions, such as hydrogenation, hydroformylation, and cross-coupling processes. The ligand's steric and electronic properties can be tuned to optimize the catalyst's performance, making it a valuable tool in the field of organometallic chemistry and industrial catalysis.

4851-72-3

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Basic information
1. Product Name: Phosphinic acid, 1,3-propanediylbis[phenyl-
2. Synonyms:
3. CAS NO:4851-72-3
4. Molecular Formula: C15H18O4P2
5. Molecular Weight: 324.253
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: Phosphinic acid, 1,3-propanediylbis[phenyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphinic acid, 1,3-propanediylbis[phenyl-(4851-72-3)
11. EPA Substance Registry System: Phosphinic acid, 1,3-propanediylbis[phenyl-(4851-72-3)
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: 4851-72-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4851-72-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,5 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4851-72:
(6*4)+(5*8)+(4*5)+(3*1)+(2*7)+(1*2)=103
103 % 10 = 3
So 4851-72-3 is a valid CAS Registry Number.

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