3-Methylbuten-1-yl-diphenylphosphinoxid, also known as 3-methylbut-1-enyl-diphenylphosphine oxide, is a chemical compound with the molecular formula C15H17OP. It is a derivative of diphenylphosphine, where one of the phenyl groups is replaced by a 3-methylbut-1-enyl group. 3-Methylbuten-⁽¹⁾-yl-diphenylphosphinoxid is an organophosphorus compound and is often used in organic synthesis as a ligand or a reagent. It is characterized by its ability to form stable complexes with transition metals, which can be useful in various catalytic processes. The compound is typically synthesized by the oxidation of the corresponding phosphine, 3-methylbut-1-enyl-diphenylphosphine, using an oxidizing agent such as hydrogen peroxide or m-chloroperoxybenzoic acid. It is an important intermediate in the preparation of more complex organophosphorus compounds and has applications in the fields of pharmaceuticals, agrochemicals, and materials science.

2288-85-9

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Basic information
1. Product Name: 3-Methylbuten-⁽¹⁾-yl-diphenylphosphinoxid
2. Synonyms:
3. CAS NO:2288-85-9
4. Molecular Formula:
5. Molecular Weight: 270.311
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: 3-Methylbuten-⁽¹⁾-yl-diphenylphosphinoxid(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-Methylbuten-⁽¹⁾-yl-diphenylphosphinoxid(2288-85-9)
11. EPA Substance Registry System: 3-Methylbuten-⁽¹⁾-yl-diphenylphosphinoxid(2288-85-9)
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: 2288-85-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2288-85-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,8 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2288-85:
(6*2)+(5*2)+(4*8)+(3*8)+(2*8)+(1*5)=99
99 % 10 = 9
So 2288-85-9 is a valid CAS Registry Number.

2288-85-9Upstream product

4145-83-9 (3-methylbuta-1,2-dien-1-yl)diphenylphosphine oxide

2288-85-9Downstream Products

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