Diphenylacetyl-phosphoramidic acid diethyl ester is a chemical compound with the molecular formula C18H22NO3P. It is an organophosphorus compound, specifically a phosphoramidite, which is widely used in the synthesis of oligonucleotides and nucleic acids. Diphenylacetyl-phosphoramidic acid diethyl ester serves as a protecting group for the hydroxyl groups in the synthesis process, preventing unwanted side reactions and ensuring the correct formation of the desired product. The diethyl ester group in the molecule is responsible for the stability and reactivity of the compound, making it a valuable intermediate in the field of organic chemistry and molecular biology.

4336-61-2

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Basic information
1. Product Name: Diphenylacetyl-phosphoramidic acid diethyl ester
2. Synonyms: Diphenylacetyl-phosphoramidic acid diethyl ester
3. CAS NO:4336-61-2
4. Molecular Formula:
5. Molecular Weight: 347.351
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: Diphenylacetyl-phosphoramidic acid diethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Diphenylacetyl-phosphoramidic acid diethyl ester(4336-61-2)
11. EPA Substance Registry System: Diphenylacetyl-phosphoramidic acid diethyl ester(4336-61-2)
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: 4336-61-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4336-61-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4336-61:
(6*4)+(5*3)+(4*3)+(3*6)+(2*6)+(1*1)=82
82 % 10 = 2
So 4336-61-2 is a valid CAS Registry Number.

4336-61-2Upstream product

4336-63-4 diethyl (2,2-diphenylvinylidene)phosphoramidate

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