≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
α-Carotene is the second common form of the orange photosynthetic pigment, carotene (β-carotene is the most common), and possesses a β-ring at one end and an ε-ring at the other. Humans and other mammals can produce retinal (a form of Vitamin A) from the retinyl group(β-ionone ring) of α-carotene, though its activity in this role is less than that of β-carotene, which has two retinyl groups. α-carotene is found in high concentrations in yellow-orange vegetables, such as carrots and squash, and dark-green vegetables, such as broccoli and spinach. High blood levels of α-carotene in adults has also been recently linked to lower mortality rates. It is useful as a control for HPLC.
| Canonical Smiles | CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC2C(=CCCC2(C)C)C)C)C |
|---|---|
| IUPAC Name | 1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-[(1R)-2,6,6-trimethylcyclohex-2-en-1-yl]octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene |
| InChIKey | ANVAOWXLWRTKGA-NTXLUARGSA-N |
| INCHI | 1S/C40H56/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38-36(6)24-16-30-40(38,9)10/h11-14,17-23,25-28,37H,15-16,24,29-30H2,1-10H3/b12-11+,19-13+,20-14+,27-25+,28-26+,31-17+,32-18+,33-21+,34-22+/t37-/m0/s1 |
| Isomeric SMILES | CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/[C@H]2C(=CCCC2(C)C)C)/C)/C |
| Molecular Weight | 536.87 |
| Beilstein | 2067409 |
| Reaxy-Rn | 61143831 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=61143831&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Lipids and lipid-like molecules |
| Class | Prenol lipids |
| Subclass | Tetraterpenoids |
| Intermediate Tree Nodes | Carotenoids |
| Direct Parent | Carotenes |
| Alternative Parents | Branched unsaturated hydrocarbons Cycloalkenes Unsaturated aliphatic hydrocarbons |
| Molecular Framework | Aliphatic homomonocyclic compounds |
| Substituents | Carotene - Branched unsaturated hydrocarbon - Cycloalkene - Cyclic olefin - Unsaturated aliphatic hydrocarbon - Unsaturated hydrocarbon - Olefin - Hydrocarbon - Aliphatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as carotenes. These are a type of unsaturated hydrocarbons containing eight consecutive isoprene units. They are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. |
| External Descriptors | C40 isoprenoids (tetraterpenes) |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C2421203 | Certificate of Analysis | Apr 02, 2026 | C337473 |
| D2523348 | Certificate of Analysis | Feb 05, 2026 | C337473 |
| C2421319 | Certificate of Analysis | Feb 05, 2026 | C337473 |
| L2526113 | Certificate of Analysis | Dec 18, 2025 | C337473 |
| L2526136 | Certificate of Analysis | Dec 18, 2025 | C337473 |
| L2526137 | Certificate of Analysis | Dec 18, 2025 | C337473 |
| F2530017 | Certificate of Analysis | Jun 24, 2025 | C337473 |
| D2523349 | Certificate of Analysis | Mar 25, 2025 | C337473 |
| C2421202 | Certificate of Analysis | Feb 23, 2024 | C337473 |
| C2421204 | Certificate of Analysis | Feb 23, 2024 | C337473 |
| C2421208 | Certificate of Analysis | Feb 23, 2024 | C337473 |
| Solubility | Slightly soluble in ether and benzene, Freely soluble in chloroform, and carbon disulfide. Practically insoluble in water, acids, and alkalies. |
|---|---|
| Refractive Index | n20D1.56 (Predicted) |
| Melt Point(°C) | 183° C |
| Molecular Weight | 536.900 g/mol |
| XLogP3 | 13.600 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 10 |
| Exact Mass | 536.438 Da |
| Monoisotopic Mass | 536.438 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 40 |
| Formal Charge | 0 |
| Complexity | 1200.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 9 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 9 |
| Covalently-Bonded Unit Count | 1 |
| 1. Wanting Cheng, Feng Xian, Zhanluo Zhou, Kun Hu, Jing Gao. (2023) Solubility and Stability of Carotenoids in Ammonium- and Phosphonium-Based Ionic Liquids: Effect of Solvent Nature, Temperature and Water. MOLECULES, 28 (8): (3618). [PMID:37110853] [10.3390/molecules28083618] |
| 2. Guangli He, Yunhe Lai, Yanzhen Guo, Hang Yin, Binbin Chang, Man Liu, Shouren Zhang, Baocheng Yang, Jianfang Wang. (2022) Tipping Gold Nanobipyramids with Titania for the Use of Plasmonic Hotspots to Drive Amine Coupling. ACS Applied Materials & Interfaces, [PMID:36399021] [10.1021/acsami.2c14554] |
| 3. Xue Zhang, Juan Du, Dongping Wu, Xiaoyi Long, Dan Wang, Jianhua Xiong, Wanming Xiong, Xiaoning Liao. (2021) Anchoring Metallic MoS2 Quantum Dots over MWCNTs for Highly Sensitive Detection of Postharvest Fungicide in Traditional Chinese Medicines. ACS Omega, [PMID:33490808] [10.1021/acsomega.0c05253] |
| 4. Wei Ji, Wenmei Ao, Mengqiu Sun, Chunlai Feng, Yun Wang. (2020) Separation and purification of horseradish peroxidase from horseradish roots using a novel integrated method. NEW JOURNAL OF CHEMISTRY, 45 (4): (1959-1966). [PMID:] [10.1039/D0NJ04614K] |
| 5. Xinyu Chen, Jinjin Liu, Zheng Tang, Shuangquan Liu, Jiayi Peng, Hao Liang, Xiangheng Niu. (2025) Machine Learning-Enabled Time-Resolved Nanozyme-Encoded Recognition of Endogenous Mercaptans for Disease Diagnosis. ANALYTICAL CHEMISTRY, [PMID:40340311] [10.1021/acs.analchem.5c01539] |
