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Diphenyl (5-methylpyridin-2-yl)phosphoramidate is a complex organic compound with the chemical formula C21H18N2OP. It is a derivative of phosphoramidate, which is a type of organophosphorus compound. diphenyl (5-methylpyridin-2-yl)phosphoramidate features a phosphorus atom bonded to two phenyl groups (C6H5) and a 5-methylpyridin-2-yl group, which is a pyridine ring with a methyl group at the 5th position and a nitrogen atom at the 2nd position. The molecule is characterized by its potential reactivity and stability, which can be influenced by the presence of the electron-donating methyl group on the pyridine ring. It is often used in the synthesis of various pharmaceuticals and agrochemicals due to its ability to form stable intermediates and its potential to act as a chelating agent. The compound's properties, such as its reactivity with nucleophiles and its thermal stability, make it a valuable building block in organic chemistry.

3143-74-6

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Basic information
1. Product Name: diphenyl (5-methylpyridin-2-yl)phosphoramidate
2. Synonyms: phosphoramidic acid, N-(5-methyl-2-pyridinyl)-, diphenyl ester
3. CAS NO:3143-74-6
4. Molecular Formula: C₁₈H₁₇N₂O₃P
5. Molecular Weight: 340.3129
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3143-74-6.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 471.1°C at 760 mmHg
3. Flash Point: 238.7°C
4. Appearance: N/A
5. Density: 1.294g/cm³
6. Vapor Pressure: 4.78E-09mmHg at 25°C
7. Refractive Index: 1.63
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: diphenyl (5-methylpyridin-2-yl)phosphoramidate(CAS DataBase Reference)
11. NIST Chemistry Reference: diphenyl (5-methylpyridin-2-yl)phosphoramidate(3143-74-6)
12. EPA Substance Registry System: diphenyl (5-methylpyridin-2-yl)phosphoramidate(3143-74-6)
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: 3143-74-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3143-74-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,4 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3143-74:
(6*3)+(5*1)+(4*4)+(3*3)+(2*7)+(1*4)=66
66 % 10 = 6
So 3143-74-6 is a valid CAS Registry Number.

3143-74-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name	N-diphenoxyphosphoryl-5-methylpyridin-2-amine

1.2 Other means of identification

Product number	-
Other names	HMS2732M12

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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