(4-Methoxy-phenyl)-phosphonic acid diisocyanate is a complex organic compound with the chemical formula C9H9NO5P. It is a derivative of phosphonic acid, featuring a 4-methoxy-phenyl group attached to a phosphonic acid backbone. This molecule is further functionalized with two isocyanate groups, which are highly reactive due to the presence of a carbon-nitrogen double bond. The compound is known for its potential applications in the synthesis of various pharmaceuticals, agrochemicals, and materials science, particularly in the formation of polyurethanes and other polymers. Its reactivity and structural diversity make it a valuable intermediate in the creation of advanced materials with unique properties.

20443-16-7

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Basic information
1. Product Name: (4-methoxy-phenyl)-phosphonic acid diisocyanate
2. Synonyms:
3. CAS NO:20443-16-7
4. Molecular Formula:
5. Molecular Weight: 238.139
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: (4-methoxy-phenyl)-phosphonic acid diisocyanate(CAS DataBase Reference)
10. NIST Chemistry Reference: (4-methoxy-phenyl)-phosphonic acid diisocyanate(20443-16-7)
11. EPA Substance Registry System: (4-methoxy-phenyl)-phosphonic acid diisocyanate(20443-16-7)
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: 20443-16-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 20443-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,4 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20443-16:
(7*2)+(6*0)+(5*4)+(4*4)+(3*3)+(2*1)+(1*6)=67
67 % 10 = 7
So 20443-16-7 is a valid CAS Registry Number.

20443-16-7Upstream product

20443-16-7Downstream Products

18796-58-2 2-(4-methoxy-phenyl)-5-methyl-2-oxo-2λ⁵-[1,3,5,2]triazaphosphinane-4,6-dione

20443-16-7Relevant academic research and scientific papers

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