C11H20O2
184.27 g/mol
APIWarning
Undecylenic acid
CAS112-38-9EC203-965-8
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Undecylenic acid is an unsaturated fatty acid derived from castor oil. It is used as a topical antifungal agent and also serves as a plant metabolite.
Topical antifungal agentFlavoring agent for foods
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
9-decenoic acid
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flavoring agent
StrongStructure SimilarSimilarity 1.00
7-Octenoic acid
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research compound
StrongStructure SimilarSimilarity 1.00
8-nonenoic acid
CAS31642-67-8
medium-chain fatty acid
StrongStructure SimilarSimilarity 0.95
Hept-6-enoic acid
CAS1119-60-4
research compound
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H400Very toxic to aquatic life
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Undecylenic acid (CAS 112-38-9) is 2916.19.
HS code (international, 6-digit)
2916.19
EU CN code (8-digit)
2916 19 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
undec-10-enoic acid
InChIKey
FRPZMMHWLSIFAZ-UHFFFAOYSA-N
SMILES
C=CCCCCCCCCC(=O)O
Synonyms (104)
- 10-Undecenoic acid, puriss., meets analytical specification of Ph. Eur., BP, USP, 98-100.5%
- Undecylenic acid (JAN/USP)
- Undecylenic acid, USAN
- Undecylenic acid, United States Pharmacopeia (USP)
- (R,R)-1,2-Cyclooctanediol
- 10-Hendecenoic
- 10-Hendecenoic acid
- 10-Henedecenoic acid
- 10-UNDECENOIC ACID
- 10-Undecenic acid
- 10-Undecenoic acid (Standard)
- 10-Undecensaeure
- 10-Undecylenic acid
- 10-undeceneoic acid
- 9-Undecylenic acid
- Anti-Fungal Pen CVS
- Antifungal Pen
- Antifungal Treatment Cream
- CRYSTAL FLUSH
- Cruex (TN)
- Declid
- Desenex
- Desinex
- Diabetic Antifungal
- EmoniNail Antifungal
- FEMA 3247
- Fiore Rx Antifungal ProPen
- Flexitol Anti Fungal
- Foot Cure Nail Repair Pen
- Fungicure LiquidGel
- Fungicure Maximum Strength
- Good Neighbor Anti-Fungal
- Hendecenoic acid, omega-
- Hongo Killer
- Hongo Killer Nail and Fungus
- Kyselina undecylenova
- Kyselina undecylenova [Czech]
- Mata Hongos
- Micocilen
- Micocilen Antifungal
- NU CALMAR
- Pinceladas Goyescas Original
- Premier Value Antifungal
- Remedy Nails
- Renselin
- Rite Aid Fungal
- Sally Hansen
- Sally Hansen No More Fungus
- Sanafitil
- Sevinon
- TERPENICOL ANTIFUNGAL
- Tineacide Physician Formula
- Tobcharm
- Topcare Antifungal
- Tripenicol C
- Tripenicol S
- UNDECENOIC ACID [MART.]
- Undec-10-enoic acid
- Undecenoic acid
- Undecenoic acid, omega-
- Undecyl-10-enic acid
- Undecylenenic acid
- Undecylenic acid, natural
- Undesine
- acide 10-undecanoique
- acide 10-undecylique
- acido 10-undecenoico
- n-UNDECYLENIC ACID (10-1)
- n-Undecylenic acid
- omega-hendecenoic acid
- omega-undecenoic acid
- undecelinic acid
- undecylenate
- undecylenic acid
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