1-Bromo-2,5-dihydro-1H-phosphole 1-oxide is a phosphorus-containing heterocyclic compound with the molecular formula C4H7BrOP. It features a phosphole ring, which is a five-membered ring with one phosphorus atom and four carbon atoms. The compound has a bromine atom attached to the first carbon atom, and an oxygen atom connected to the phosphorus atom, forming a phosphine oxide group. This chemical is synthesized through various methods, such as the reaction of 1,4-dibromobutane with red phosphorus and sodium amide, followed by oxidation with hydrogen peroxide. 1-Bromo-2,5-dihydro-1H-phosphole 1-oxide is an important intermediate in the synthesis of various phosphorus-containing compounds, such as phosphazenes and phospholanes, and has potential applications in the fields of pharmaceuticals, agrochemicals, and materials science.

822-46-8

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Basic information
1. Product Name: 1-bromo-2,5-dihydro-1H-phosphole 1-oxide
2. Synonyms:
3. CAS NO:822-46-8
4. Molecular Formula:
5. Molecular Weight: 180.969
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-bromo-2,5-dihydro-1H-phosphole 1-oxide(CAS DataBase Reference)
10. NIST Chemistry Reference: 1-bromo-2,5-dihydro-1H-phosphole 1-oxide(822-46-8)
11. EPA Substance Registry System: 1-bromo-2,5-dihydro-1H-phosphole 1-oxide(822-46-8)
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: 822-46-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 822-46-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,2 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 822-46:
(5*8)+(4*2)+(3*2)+(2*4)+(1*6)=68
68 % 10 = 8
So 822-46-8 is a valid CAS Registry Number.

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5234-91-3 1-phenoxy-2,5-dihydrophosphole 1-oxide

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