(11E,13E)-Octadeca-11,13-dienoic 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 cannot be synthesized by the human body and must be obtained through diet. Linoleic acid plays a crucial role in various physiological processes, including cell membrane structure, inflammation regulation, and skin health. 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 double bonds, linoleic acid is prone to oxidation, which can lead to the formation of harmful compounds; therefore, it is important to consume it in moderation and store it properly to maintain its beneficial properties.

693-73-2

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Basic information
1. Product Name: (11E,13E)-octadeca-11,13-dienoic acid
2. Synonyms: 11,13-octadecadienoic acid, (11E,13E)-
3. CAS NO:693-73-2
4. Molecular Formula: C₁₈H₃₂O₂
5. Molecular Weight: 280.4455
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 407.532°C at 760 mmHg
3. Flash Point: 304.312°C
4. Appearance: N/A
5. Density: 0.912g/cm³
6. Vapor Pressure: 0mmHg at 25°C
7. Refractive Index: 1.478
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: (11E,13E)-octadeca-11,13-dienoic acid(CAS DataBase Reference)
11. NIST Chemistry Reference: (11E,13E)-octadeca-11,13-dienoic acid(693-73-2)
12. EPA Substance Registry System: (11E,13E)-octadeca-11,13-dienoic acid(693-73-2)
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: 693-73-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 693-73-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 693-73:
(5*6)+(4*9)+(3*3)+(2*7)+(1*3)=92
92 % 10 = 2
So 693-73-2 is a valid CAS Registry Number.

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