W2Cl4(P(n-Bu)3)4, also known as tungsten dichloride tetrakis(tri-n-butylphosphine), is a transition metal complex with the chemical formula W2Cl4(P(n-Bu)3)4. It consists of a tungsten dimer core (W2) bridged by two chloride ligands (Cl) and surrounded by four tri-n-butylphosphine ligands (P(n-Bu)3). W₂Cl₄(P(n-Bu)3)4 is a significant organometallic compound, often used as a catalyst in various chemical reactions, such as olefin metathesis and cross-metathesis. The tri-n-butylphosphine ligands provide steric bulk, which can influence the reactivity and selectivity of the catalyst. The compound is sensitive to air and moisture, and it is typically handled under an inert atmosphere. Its structure and electronic properties make it a valuable tool in organometallic chemistry and catalysis.

73133-23-0

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Basic information
1. Product Name: W₂Cl₄(P(n-Bu)3)4
2. Synonyms: W₂Cl₄(P(n-Bu)3)4
3. CAS NO:73133-23-0
4. Molecular Formula:
5. Molecular Weight: 1318.79
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: W₂Cl₄(P(n-Bu)3)4(CAS DataBase Reference)
10. NIST Chemistry Reference: W₂Cl₄(P(n-Bu)3)4(73133-23-0)
11. EPA Substance Registry System: W₂Cl₄(P(n-Bu)3)4(73133-23-0)
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: 73133-23-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 73133-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,3 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73133-23:
(7*7)+(6*3)+(5*1)+(4*3)+(3*3)+(2*2)+(1*3)=100
100 % 10 = 0
So 73133-23-0 is a valid CAS Registry Number.

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