Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester>, also known as dibutyl phosphite 1-phenylmercapto-vinylester, is a complex organic compound with the chemical formula C16H23O3PS. It is a colorless to pale yellow liquid that is soluble in organic solvents. Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester> is primarily used as a plasticizer and stabilizer in the production of various polymers, such as PVC, due to its ability to improve flexibility and resistance to degradation. It is also employed as a flame retardant and a viscosity modifier in industrial applications. The compound's specific structure, with a phosphite group and a phenylmercapto-vinyl group, contributes to its unique properties and applications in the chemical industry.

3661-28-7

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Basic information
1. Product Name: Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester>
2. Synonyms:
3. CAS NO:3661-28-7
4. Molecular Formula:
5. Molecular Weight: 344.412
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: Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester>(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester>(3661-28-7)
11. EPA Substance Registry System: Phosphorsaeure-dibutylester-<1-phenylmercapto-vinylester>(3661-28-7)
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: 3661-28-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3661-28-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,6 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3661-28:
(6*3)+(5*6)+(4*6)+(3*1)+(2*2)+(1*8)=87
87 % 10 = 7
So 3661-28-7 is a valid CAS Registry Number.

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