Methyl-phosphonic acid-dianilide, also known as MPA-DA, is a chemical compound with the molecular formula C8H10NO4P. It is a derivative of methylphosphonic acid, featuring two anilide groups attached to the phosphonic acid backbone. methyl-phosphonic acid-dianilide is of interest in various fields, including chemical research and pharmaceutical development, due to its potential applications as a precursor in the synthesis of more complex molecules. MPA-DA is also known for its potential use in the production of certain types of nerve agents, which has raised concerns regarding its handling and regulation. Its chemical properties and reactivity make it a subject of study for understanding the behavior of organophosphorus compounds.

4653-50-3

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Basic information
1. Product Name: methyl-phosphonic acid-dianilide
2. Synonyms:
3. CAS NO:4653-50-3
4. Molecular Formula:
5. Molecular Weight: 246.249
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: methyl-phosphonic acid-dianilide(CAS DataBase Reference)
10. NIST Chemistry Reference: methyl-phosphonic acid-dianilide(4653-50-3)
11. EPA Substance Registry System: methyl-phosphonic acid-dianilide(4653-50-3)
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: 4653-50-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4653-50-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4653-50:
(6*4)+(5*6)+(4*5)+(3*3)+(2*5)+(1*0)=93
93 % 10 = 3
So 4653-50-3 is a valid CAS Registry Number.

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