Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2023-07-12 17:07:38 UTC |
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HMDB ID | HMDB0000658 |
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Secondary Accession Numbers | - HMDB0005197
- HMDB0062460
- HMDB00658
- HMDB05197
- HMDB62460
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Metabolite Identification |
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Common Name | CE(16:1) |
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Description | CE(16:1(9Z)), also known as (Z)-cholesterol 9-hexadecenoate or 1-palmitoleoyl-cholesterol, is an important plasma cholesteryl ester. A cholesteryl ester is an ester of cholesterol. Fatty acid esters of cholesterol constitute about two-thirds of the cholesterol in the plasma. Cholesterol is a sterol (a combination steroid and alcohol) and a lipid found in the cell membranes of all body tissues and transported in the blood plasma of all animals. The accumulation of cholesterol esters in the arterial intima (the innermost layer of an artery, in direct contact with the flowing blood) is a characteristic feature of atherosclerosis. Atherosclerosis is a disease affecting arterial blood vessels. It is a chronic inflammatory response in the walls of arteries, in large part to the deposition of lipoproteins (plasma proteins that carry cholesterol and triglycerides). Cholesteryl palmitoleate is one of the two more prevalent esters that are a component of dehydroepiandrosterone fatty acid esters (DHEA-FA). DHEA-FA is formed from DHEA by lecithin-cholesterol acyltransferase, localized on high-density lipoprotein (HDL). Once DHEA-FA is formed, it is subsequently transferred to very low-density lipoprotein (VLDL) and low-density lipoprotein (LDL), like cholesteryl esters. Cholesteryl palmitoleate constitutes 20% of the total lipoidal pregnenolone (an important precursor steroid) in follicular fluid. The fatty acid components of the resulting lipoidal pregnenolone derivatives resemble those of cholesteryl esters formed in plasma by the enzymatic activity of lecithin–cholesterol acyltransferase (LCAT) (PMID: 2770299 , 8943795 ). CE(16:1(9Z)) is considered to be practically insoluble (in water) and basic. |
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Structure | [H][C@@]1(CC[C@@]2([H])[C@]3([H])CC=C4C[C@H](CC[C@]4(C)[C@@]3([H])CC[C@]12C)OC(=O)CCCCCCC\C=C/CCCCCC)[C@H](C)CCCC(C)C InChI=1S/C43H74O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-23-41(44)45-36-28-30-42(5)35(32-36)24-25-37-39-27-26-38(34(4)22-20-21-33(2)3)43(39,6)31-29-40(37)42/h12-13,24,33-34,36-40H,7-11,14-23,25-32H2,1-6H3/b13-12-/t34-,36+,37+,38-,39+,40+,42+,43-/m1/s1 |
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Synonyms | Value | Source |
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(Z)-Cholesterol 9-hexadecenoate | ChEBI | (Z)-Cholesterol 9-hexadecenoic acid | ChEBI | 1-Palmitoleoyl-cholesterol | ChEBI | 16:1(9Z) Cholesterol ester | ChEBI | CE(16:1(9Z)) | ChEBI | CE(16:1/0:0) | ChEBI | CE(16:1n7/0:0) | ChEBI | CE(16:1W7/0:0) | ChEBI | Cholesterol cis-9-hexadecenoate | ChEBI | Cholesteryl (9Z)-hexadecenoate | ChEBI | Cholesterol cis-9-hexadecenoic acid | Generator | Cholesteryl (9Z)-hexadecenoic acid | Generator | Cholesteryl palmitoleic acid | Generator | Cholest-5-en-3b-yl (9Z-hexadecenoate) | Generator, HMDB | Cholest-5-en-3b-yl (9Z-hexadecenoic acid) | Generator, HMDB | Cholest-5-en-3beta-yl (9Z-hexadecenoic acid) | Generator, HMDB | Cholest-5-en-3β-yl (9Z-hexadecenoate) | Generator, HMDB | Cholest-5-en-3β-yl (9Z-hexadecenoic acid) | Generator, HMDB | Cholesteryl 9-hexadecenoate | HMDB | Cholesteryl 9-palmitelaidate | HMDB | Cholesteryl 9-palmitoleate | HMDB | Cholesteryl cis-9-hexadecenoate | HMDB | Cholesterol palmitoleate | HMDB | Cholesteryl cis-hexadecenoate | HMDB | Cholesteryl palmitoleate | HMDB | Cholest-5-en-3beta-yl (9Z-hexadecenoate) | HMDB |
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Chemical Formula | C43H74O2 |
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Average Molecular Weight | 623.063 |
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Monoisotopic Molecular Weight | 622.568881623 |
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IUPAC Name | (1S,2R,5S,10S,11S,14R,15R)-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-yl (9Z)-hexadec-9-enoate |
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Traditional Name | (1S,2R,5S,10S,11S,14R,15R)-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-yl (9Z)-hexadec-9-enoate |
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CAS Registry Number | 16711-66-3 |
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SMILES | [H][C@@]1(CC[C@@]2([H])[C@]3([H])CC=C4C[C@H](CC[C@]4(C)[C@@]3([H])CC[C@]12C)OC(=O)CCCCCCC\C=C/CCCCCC)[C@H](C)CCCC(C)C |
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InChI Identifier | InChI=1S/C43H74O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-23-41(44)45-36-28-30-42(5)35(32-36)24-25-37-39-27-26-38(34(4)22-20-21-33(2)3)43(39,6)31-29-40(37)42/h12-13,24,33-34,36-40H,7-11,14-23,25-32H2,1-6H3/b13-12-/t34-,36+,37+,38-,39+,40+,42+,43-/m1/s1 |
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InChI Key | HODJWNWCVNUPAQ-XDOSKZMUSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as cholesteryl esters. Cholesteryl esters are compounds containing an esterified cholestane moiety. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Steroids and steroid derivatives |
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Sub Class | Steroid esters |
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Direct Parent | Cholesteryl esters |
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Alternative Parents | |
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Substituents | - Cholesteryl ester
- Cholesterol
- Cholestane-skeleton
- Delta-5-steroid
- Carboxylic acid ester
- Monocarboxylic acid or derivatives
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic homopolycyclic compound
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Molecular Framework | Aliphatic homopolycyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | |
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Disposition | |
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Process | |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times UnderivatizedChromatographic Method | Retention Time | Reference |
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Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 8.1 minutes | 32390414 | Predicted by Siyang on May 30, 2022 | 47.624 minutes | 33406817 | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.49 minutes | 32390414 | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5812.3 seconds | 40023050 | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1424.1 seconds | 40023050 | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 546.9 seconds | 40023050 | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 691.6 seconds | 40023050 | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1201.4 seconds | 40023050 | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2246.9 seconds | 40023050 | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 1790.4 seconds | 40023050 | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 136.0 seconds | 40023050 | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4181.0 seconds | 40023050 | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1259.5 seconds | 40023050 | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 3741.2 seconds | 40023050 | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1539.6 seconds | 40023050 | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 999.4 seconds | 40023050 | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 795.9 seconds | 40023050 | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 1256.2 seconds | 40023050 | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 10.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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