Cyclooctadiene-(3,5)-malonsaeure-diethylester, also known as 3,5-diethyl malonic acid ester, is an organic compound with the chemical formula C12H18O4. It is a derivative of malonic acid, featuring a cyclooctadiene ring and two ethyl ester groups. Cyclooctadien-(3,5)-malonsaeure-diethylester is synthesized through various chemical reactions and is used as an intermediate in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. Its unique structure and reactivity make it a valuable building block in organic synthesis, particularly in the formation of complex molecules with multiple functional groups.

3667-56-9

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Basic information
1. Product Name: Cyclooctadien-(3,5)-malonsaeure-diethylester
2. Synonyms:
3. CAS NO:3667-56-9
4. Molecular Formula:
5. Molecular Weight: 266.337
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: Cyclooctadien-(3,5)-malonsaeure-diethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: Cyclooctadien-(3,5)-malonsaeure-diethylester(3667-56-9)
11. EPA Substance Registry System: Cyclooctadien-(3,5)-malonsaeure-diethylester(3667-56-9)
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: 3667-56-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3667-56-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,6 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3667-56:
(6*3)+(5*6)+(4*6)+(3*7)+(2*5)+(1*6)=109
109 % 10 = 9
So 3667-56-9 is a valid CAS Registry Number.

3667-56-9Upstream product

3667-56-9Downstream Products

3667-53-6 Cyclooctyl-malonsaeure

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