4-Cyclooctene-1-carboxylic acid, ethyl ester is an organic compound with the chemical formula C11H18O2. It is a colorless liquid that is insoluble in water but soluble in organic solvents. This ester is derived from 4-cyclooctene-1-carboxylic acid, where the carboxylic acid group is esterified with ethanol. It is used in the synthesis of various chemicals and pharmaceuticals, particularly in the production of fragrances and flavorings. The compound is characterized by its unique cyclic structure and is known for its stability and reactivity in chemical transformations. It is an important intermediate in the preparation of various cyclooctene derivatives, which have applications in the fields of chemistry and materials science.

1131-74-4

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Basic information
1. Product Name: 4-Cyclooctene-1-carboxylic acid, ethyl ester
2. Synonyms:
3. CAS NO:1131-74-4
4. Molecular Formula: C11H18O2
5. Molecular Weight: 182.263
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-Cyclooctene-1-carboxylic acid, ethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Cyclooctene-1-carboxylic acid, ethyl ester(1131-74-4)
11. EPA Substance Registry System: 4-Cyclooctene-1-carboxylic acid, ethyl ester(1131-74-4)
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: 1131-74-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1131-74-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,3 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1131-74:
(6*1)+(5*1)+(4*3)+(3*1)+(2*7)+(1*4)=44
44 % 10 = 4
So 1131-74-4 is a valid CAS Registry Number.

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