4-Brom-3-(4-chlorphenoxy)-crotonsaeureethylester, also known as ethyl 4-bromo-3-(4-chlorophenoxy)crotonate, is a chemical compound with the molecular formula C11H10BrClO3. It is a derivative of crotonic acid, featuring a bromine atom at the 4-position, a chlorine atom at the 4-position of the phenoxy group, and an ethyl ester group. 4-Brom-3-<4-chlorphenoxy>-crotonsaeureethylester is often used as an intermediate in the synthesis of pharmaceuticals and agrochemicals due to its reactive functional groups, which can participate in various chemical reactions. Its structure allows for the formation of new compounds through substitution, addition, or elimination reactions, making it a valuable building block in organic chemistry.

1473-56-9

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Basic information
1. Product Name: 4-Brom-3-<4-chlorphenoxy>-crotonsaeureethylester
2. Synonyms:
3. CAS NO:1473-56-9
4. Molecular Formula:
5. Molecular Weight: 319.582
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-Brom-3-<4-chlorphenoxy>-crotonsaeureethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Brom-3-<4-chlorphenoxy>-crotonsaeureethylester(1473-56-9)
11. EPA Substance Registry System: 4-Brom-3-<4-chlorphenoxy>-crotonsaeureethylester(1473-56-9)
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: 1473-56-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1473-56-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,7 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1473-56:
(6*1)+(5*4)+(4*7)+(3*3)+(2*5)+(1*6)=79
79 % 10 = 9
So 1473-56-9 is a valid CAS Registry Number.

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