Phosphorsaeure-monophenyl-<1.4-dimethyl-tetramethylenester>, also known as phenyl phosphonic acid 1,4-dimethyl-1,3-butanediyl ester, is a chemical compound with the molecular formula C12H19O3P. It is a colorless liquid with a density of 1.1 g/cm3 and a boiling point of 150-152°C at 0.1 mmHg. Phosphorsaeure-monophenyl-<1.4-dimethyl-tetramethylenester> is an organophosphorus compound, specifically a phosphonic acid ester, and is used as a reagent in various chemical reactions and as an intermediate in the synthesis of other organic compounds. It is characterized by its ability to form stable complexes with metal ions, making it useful in applications such as catalysts and chelating agents.

7191-28-8

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Basic information
1. Product Name: Phosphorsaeure-monophenyl-<1.4-dimethyl-tetramethylenester>
2. Synonyms:
3. CAS NO:7191-28-8
4. Molecular Formula:
5. Molecular Weight: 256.238
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-monophenyl-<1.4-dimethyl-tetramethylenester>(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphorsaeure-monophenyl-<1.4-dimethyl-tetramethylenester>(7191-28-8)
11. EPA Substance Registry System: Phosphorsaeure-monophenyl-<1.4-dimethyl-tetramethylenester>(7191-28-8)
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: 7191-28-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7191-28-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,9 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7191-28:
(6*7)+(5*1)+(4*9)+(3*1)+(2*2)+(1*8)=98
98 % 10 = 8
So 7191-28-8 is a valid CAS Registry Number.

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