| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:49 UTC |
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| Update Date | 2022-03-07 02:51:38 UTC |
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| HMDB ID | HMDB0014495 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Megestrol |
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| Description | Megestrol, also known as magestin or megeron, belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. Thus, megestrol is considered to be a steroid lipid molecule. Megestrol is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. |
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| Structure | [H][C@@]12CC[C@](O)(C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])C=CC2=CC(=O)CC[C@]12C InChI=1S/C21H28O3/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h4-5,12,16-18,24H,6-11H2,1-3H3/t16-,17+,18+,19+,20+,21+/m1/s1 |
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| Synonyms | | Value | Source |
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| 17-Hydroxy-6-methylpregna-4,6-diene-3,20-dione | ChEBI | | Magestin | ChEBI | | Megeron | ChEBI | | Megestrolum | ChEBI | | Niagestin | ChEBI | | Ovaban | ChEBI | | Ovarid | ChEBI | | Volidan | ChEBI | | Megestrol acetate | HMDB | | Megestrolo | HMDB | | Megestryl acetate | HMDB | | MGA | HMDB | | 17-Hydroxy-6-dehydroprogesterone, (9beta,10alpha)-isomer | HMDB | | 17-Hydroxy-6-dehydroprogesterone | HMDB | | 17-HDHPG | HMDB |
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| Chemical Formula | C21H28O3 |
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| Average Molecular Weight | 328.4452 |
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| Monoisotopic Molecular Weight | 328.203844762 |
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| IUPAC Name | (1S,2R,10R,11S,14R,15S)-14-acetyl-14-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-6,8-dien-5-one |
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| Traditional Name | megestrol |
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| CAS Registry Number | 3562-63-8 |
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| SMILES | [H][C@@]12CC[C@](O)(C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])C=CC2=CC(=O)CC[C@]12C |
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| InChI Identifier | InChI=1S/C21H28O3/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h4-5,12,16-18,24H,6-11H2,1-3H3/t16-,17+,18+,19+,20+,21+/m1/s1 |
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| InChI Key | JBVNBBXAMBZTMQ-CEGNMAFCSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane 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 | Pregnane steroids |
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| Direct Parent | Gluco/mineralocorticoids, progestogins and derivatives |
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| Alternative Parents | |
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| Substituents | - Progestogin-skeleton
- 20-oxosteroid
- 3-oxosteroid
- 17-hydroxysteroid
- Oxosteroid
- Hydroxysteroid
- Cyclohexenone
- Alpha-hydroxy ketone
- Cyclic alcohol
- Tertiary alcohol
- Cyclic ketone
- Ketone
- Organic oxygen compound
- Organooxygen compound
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Alcohol
- 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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| Not Available | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 218.0 - 220.0 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.022 g/L | Not Available | | LogP | 3.2 | Not Available |
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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 Underivatized| Chromatographic 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. | 6.31 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 16.3723 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.84 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2669.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 385.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 201.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 187.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 354.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 666.4 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 | 654.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 81.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1405.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 475.9 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 | 1454.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 462.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 449.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 277.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 448.6 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 | 8.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Megestrol,1TMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3070.0 | Semi standard non polar | 33892256 | | Megestrol,1TMS,isomer #2 | CC(=O)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3006.3 | Semi standard non polar | 33892256 | | Megestrol,1TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 2964.6 | Semi standard non polar | 33892256 | | Megestrol,2TMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3065.6 | Semi standard non polar | 33892256 | | Megestrol,2TMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 2880.5 | Standard non polar | 33892256 | | Megestrol,2TMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3328.5 | Standard polar | 33892256 | | Megestrol,2TMS,isomer #2 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3039.7 | Semi standard non polar | 33892256 | | Megestrol,2TMS,isomer #2 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 2836.7 | Standard non polar | 33892256 | | Megestrol,2TMS,isomer #2 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3440.5 | Standard polar | 33892256 | | Megestrol,2TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 2969.9 | Semi standard non polar | 33892256 | | Megestrol,2TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 2843.2 | Standard non polar | 33892256 | | Megestrol,2TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3451.3 | Standard polar | 33892256 | | Megestrol,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3045.9 | Semi standard non polar | 33892256 | | Megestrol,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 2912.0 | Standard non polar | 33892256 | | Megestrol,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@@]1(O[Si](C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3420.6 | Standard polar | 33892256 | | Megestrol,1TBDMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3326.9 | Semi standard non polar | 33892256 | | Megestrol,1TBDMS,isomer #2 | CC(=O)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3265.6 | Semi standard non polar | 33892256 | | Megestrol,1TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3237.5 | Semi standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3577.3 | Semi standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3336.8 | Standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #1 | CC(=O)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3550.4 | Standard polar | 33892256 | | Megestrol,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3575.5 | Semi standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3339.2 | Standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C | 3660.1 | Standard polar | 33892256 | | Megestrol,2TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3496.8 | Semi standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3267.2 | Standard non polar | 33892256 | | Megestrol,2TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3687.0 | Standard polar | 33892256 | | Megestrol,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3796.2 | Semi standard non polar | 33892256 | | Megestrol,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3526.0 | Standard non polar | 33892256 | | Megestrol,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CC[C@H]2[C@@H]3C=CC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@@]21C | 3682.3 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - Megestrol GC-MS (Non-derivatized) - 70eV, Positive | splash10-052o-3692000000-273ed2697dc747b07877 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Megestrol GC-MS (1 TMS) - 70eV, Positive | splash10-009l-5569000000-92c478c5541ca3cdb49d | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Megestrol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 10V, Positive-QTOF | splash10-004i-0129000000-91e7aae3dcf4681023d5 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 20V, Positive-QTOF | splash10-01ti-0394000000-3a1e1148d707633d1893 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 40V, Positive-QTOF | splash10-014s-2940000000-35c10eae302be7284ec8 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 10V, Negative-QTOF | splash10-004i-0019000000-c7b233401fe84cccc004 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 20V, Negative-QTOF | splash10-004r-0097000000-6b5af6858dc62dd2e876 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 40V, Negative-QTOF | splash10-0n2i-0091000000-8a487c18d41b7b41e85f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 10V, Negative-QTOF | splash10-004i-0019000000-f0d17e74dd87aa6f0a01 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 20V, Negative-QTOF | splash10-004i-0049000000-5c51a1c8838c7592f1ff | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 40V, Negative-QTOF | splash10-015i-0091000000-caf99973cbd8b1d9964c | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 10V, Positive-QTOF | splash10-004i-0019000000-927a758547b25409a106 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 20V, Positive-QTOF | splash10-0cfu-0942000000-783008fe6e6e6a07d8f3 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Megestrol 40V, Positive-QTOF | splash10-0596-5960000000-a807ceaf72ed64e8caf1 | 2021-09-23 | Wishart Lab | View Spectrum |
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| General References | - Schindler AE, Campagnoli C, Druckmann R, Huber J, Pasqualini JR, Schweppe KW, Thijssen JH: Classification and pharmacology of progestins. Maturitas. 2008 Sep-Oct;61(1-2):171-80. [PubMed:19434889 ]
- Orme LM, Bond JD, Humphrey MS, Zacharin MR, Downie PA, Jamsen KM, Mitchell SL, Robinson JM, Grapsas NA, Ashley DM: Megestrol acetate in pediatric oncology patients may lead to severe, symptomatic adrenal suppression. Cancer. 2003 Jul 15;98(2):397-405. [PubMed:12872362 ]
- Pascual Lopez A, Roque i Figuls M, Urrutia Cuchi G, Berenstein EG, Almenar Pasies B, Balcells Alegre M, Herdman M: Systematic review of megestrol acetate in the treatment of anorexia-cachexia syndrome. J Pain Symptom Manage. 2004 Apr;27(4):360-9. [PubMed:15050664 ]
- Berenstein EG, Ortiz Z: Megestrol acetate for the treatment of anorexia-cachexia syndrome. Cochrane Database Syst Rev. 2005 Apr 18;(2):CD004310. [PubMed:15846706 ]
- Rao GG, Miller DS: Hormonal therapy in epithelial ovarian cancer. Expert Rev Anticancer Ther. 2006 Jan;6(1):43-7. [PubMed:16375643 ]
- Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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