Phytanic acid
Phytanic acid (CAS: 14721-66-5, C20H40O2) is a branched-chain fatty acid with a molecular weight of 312.53 g/mol. This isoprenoid lipid plays a role in biological systems and is used in biochemical research. Supplied by Tech Serve Solutions with an assay of ≥96%, it is a valuable reagent for laboratory applications. Proper handling is essential due to its irritant properties.
- IUPAC
- 3,7,11,15-Tetramethylhexadecanoic acid
- Synonyms
- 3,7,11,15-Tetramethylhexadecanoic acid

Biochemical Research
Phytanic acid serves as a reagent in studies investigating lipid metabolism and biochemical pathways. Its unique branched structure makes it of interest in understanding complex biological processes.
Fatty Acid Analysis
Used as a standard or reference compound in the analysis of fatty acids, particularly in complex biological matrices. It aids in the accurate identification and quantification of branched-chain fatty acids.
Organic Synthesis
As a carboxylic acid with a specific isoprenoid structure, phytanic acid can be employed as a building block or intermediate in specialized organic synthesis projects within research laboratories.
| Molecular weight | 312.53 |
|---|---|
| Empirical formula | C20H40O2 |
| Assay | ≥96% |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phytanic Acid used for?
+
Phytanic acid is primarily used in biochemical research and as a reference standard in fatty acid analysis. It may also serve as a building block in specialized organic synthesis.
What is the CAS number and formula for Phytanic Acid?
+
The CAS number for Phytanic Acid is 14721-66-5, and its molecular formula is C20H40O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Phytanic Acid with an assay of ≥96%. We do not represent this product as USP, BP, or EP grade.
How should Phytanic Acid be handled safely?
+
Phytanic Acid is classified as an irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including gloves, eyeshields, and suitable respiratory protection, in a well-ventilated area.
How is Phytanic Acid typically packed and shipped?
+
Phytanic Acid is stored at 2-8°C. It is carefully packed to maintain stability during transport and is exported globally by Tech Serve Solutions in compliance with all regulations.
How can I request a sample or quote for Phytanic Acid?
+
To request a sample or a quote for Phytanic Acid, please contact our sales team through the website or by phone, providing your details and quantity requirements.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis