(5E,9Z)-5,9-Octadecadienoic acid, also known as linoleic acid, is a polyunsaturated omega-6 fatty acid with the chemical formula C18H32O2. It is an essential fatty acid, meaning that it must be obtained through diet as the human body cannot synthesize it. Linoleic acid plays a crucial role in various physiological processes, including cell membrane structure, inflammation regulation, and energy production. It is commonly found in plant-based oils, such as sunflower, safflower, and corn oil, as well as in nuts and seeds. Due to its health benefits, linoleic acid is often used as a dietary supplement and is considered an important component in maintaining overall health and well-being.

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Basic information
1. Product Name: (5E,9Z)-5,9-Octadecadienoic acid
2. Synonyms: (5E,9Z)-5,9-Octadecadienoic acid
3. CAS NO:7049-91-4
4. Molecular Formula: C18H32O2
5. Molecular Weight: 280.45
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 7049-91-4.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: (5E,9Z)-5,9-Octadecadienoic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: (5E,9Z)-5,9-Octadecadienoic acid(7049-91-4)
11. EPA Substance Registry System: (5E,9Z)-5,9-Octadecadienoic acid(7049-91-4)
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: 7049-91-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7049-91-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7049-91:
(6*7)+(5*0)+(4*4)+(3*9)+(2*9)+(1*1)=104
104 % 10 = 4
So 7049-91-4 is a valid CAS Registry Number.

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