Cyclopentylmethyliden-malonsaeure-diethylester, also known as cyclopentylidenemalononitrile diethyl ester, is an organic compound with the chemical formula C13H18NO4. It is a colorless liquid with a density of 1.07 g/cm3 and a boiling point of 300°C. Cyclopentylmethyliden-malonsaeure-diethylester is a derivative of malonic acid, featuring a cyclopentyl group attached to the central carbon atom of the malonic acid structure, with diethyl ester groups on both ends. It is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of certain antibiotics and other biologically active compounds. Due to its reactivity and potential applications, it is an important compound in the field of organic chemistry and medicinal chemistry.

5499-95-6

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Basic information
1. Product Name: Cyclopentylmethyliden-malonsaeure-diethylester
2. Synonyms: Cyclopentylmethyliden-malonsaeure-diethylester
3. CAS NO:5499-95-6
4. Molecular Formula:
5. Molecular Weight: 240.299
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: Cyclopentylmethyliden-malonsaeure-diethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: Cyclopentylmethyliden-malonsaeure-diethylester(5499-95-6)
11. EPA Substance Registry System: Cyclopentylmethyliden-malonsaeure-diethylester(5499-95-6)
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: 5499-95-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5499-95-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,9 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5499-95:
(6*5)+(5*4)+(4*9)+(3*9)+(2*9)+(1*5)=136
136 % 10 = 6
So 5499-95-6 is a valid CAS Registry Number.

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5499-95-6Downstream Products

5305-08-8 4-cyclopentylmethyl-2-phenyl-isoxazolidine-3,5-dione

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