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N,N'-bis(2,4-difluorophenyl)urea is an organic compound with the chemical formula C7H4F2N2O. It is a white crystalline solid that is formed by the reaction of 2,4-difluorophenyl isocyanate with urea. N,N'-bis(2,4-difluorophenyl)urea is characterized by its two fluorine atoms attached to the phenyl rings, which can influence its electronic properties and reactivity. It is used in various applications, including as a precursor in the synthesis of pharmaceuticals and agrochemicals, due to its potential to modify the activity and selectivity of these compounds. The presence of fluorine atoms can enhance lipophilicity and metabolic stability, which are important factors in drug design.

1581-06-2

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Basic information
1. Product Name: N,N'-bis(2,4-difluorophenyl)urea
2. Synonyms: N,N'-bis(2,4-difluorophenyl)urea;1,3-bis(2,4-difluorophenyl)urea;2,2',4,4'-Tetrafluorocarbanilide
3. CAS NO:1581-06-2
4. Molecular Formula: C13H8F4N2O
5. Molecular Weight: 284
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 1581-06-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: N,N'-bis(2,4-difluorophenyl)urea(CAS DataBase Reference)
10. NIST Chemistry Reference: N,N'-bis(2,4-difluorophenyl)urea(1581-06-2)
11. EPA Substance Registry System: N,N'-bis(2,4-difluorophenyl)urea(1581-06-2)
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: 1581-06-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1581-06-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,8 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1581-06:
(6*1)+(5*5)+(4*8)+(3*1)+(2*0)+(1*6)=72
72 % 10 = 2
So 1581-06-2 is a valid CAS Registry Number.

1581-06-2SDS

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	1,3-bis(2,4-difluorophenyl)urea

1.2 Other means of identification

Product number	-
Other names	2.2'.4.4'-Tetrafluor-diphenyl-harnstoff

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).

More Details:1581-06-2 SDS

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