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| Year of first isolation: | 1983 |  | Formula: | C27H42O9 |  | Molecular weight: | 510 |  | Occurence in plants: |  |  |  | Occurence in animals: |  | Schistocerca gregaria [Orthoptera] »   ![Wikipedia: Schistocerca gregaria [Orthoptera]](/images/wikipedia.png) Spodoptera littoralis [Lepidoptera] »
   ![Wikipedia: Spodoptera littoralis [Lepidoptera]](/images/wikipedia.png) Pieris brassicae [Lepidoptera] »
   ![Wikipedia: Pieris brassicae [Lepidoptera]](/images/wikipedia.png) 
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 | | Canonical SMILES | CC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C(C)(C(CCC(C)(C(=O)O)O)O)O)O |  | Isomeric SMILES [ PubChem: search | XML ]
 [ ChemSpider: search ]
 | C[C@]12CC[C@H]3C(=CC(=O)[C@H]4[C@@]3(C[C@@H]([C@@H](C4)O)O)C)[C@@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(C(=O)O)O)O)O)O  »  C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CC[C@@](C(=O)[O-])(C)O)O)O)O)C)C  »
  C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CC[C@](C(=O)[O-])(C)O)O)O)O)C)C »
  
 |  | IUPAC Name | (5R,6R)-2,5,6-trihydroxy-2-methyl-6-[(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]heptanoic acid |  | CAS-RN |  |  | PubChem CID | 101917951 |  | InChiKey [ ChemIDPlus: search ]
 | CBVIQTRBPLDFEH-KIZORZRKSA-N |  | InChI | InChI=1S/C27H42O9/c1-23-13-19(30)18(29)12-16(23)17(28)11-15-14(23)5-8-24(2)20(6-10-27(15,24)36)26(4,35)21(31)7-9-25(3,34)22(32)33/h11,14,16,18-21,29-31,34-36H,5-10,12-13H2,1-4H3,(H,32,33)/t14-,16-,18+,19-,20-,21+,23+,24+,25?,26+,27+/m0/s1 | 
 
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 | | FAB-MS m/z | 509 (M-H). |  | CI-MS (NH3) (methyl ester) m/z | 542 (M+H+NH3)+, 525 (M+H)+, 510, 507, 493, 489, 475, 457 |  | HR-MS |  | 
 
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 | | C5D5N |  | 01 |  |  | 02 |  |  | 03 |  |  | 04 |  |  | 05 |  |  | 06 |  |  | 07 |  |  | 08 |  |  | 09 |  |  | 10 |  |  | 11 |  |  | 12 |  |  | 13 |  |  | 14 |  |  | 15 |  |  | 16 |  |  | 17 |  |  | 18 |  |  | 19 |  |  | 20 |  |  | 21 |  |  | 22 |  |  | 23 |  |  | 24 |  |  | 25 |  |  | 26 |  |  | 27 |  | 
 | | CD3OD |  | 01-He |  |  | 02-Ha | 3.85 (m, w1/2=22) |  | 03-He | 3.95 (m, w1/2=9) |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-H | 5.80 |  | 09-Ha |  |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 0.86 (s ) |  | 19-Me | 0.95 (s ) |  | 21-Me | 1.16 (s ) |  | 22-H |  |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.32 (s ) |  | 27-Me | -- | 
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 | | M.P. |  |  | [α]D20 |  |  | IR (KBr) ν max (cm-1) |  |  | UV (EtOH) λ max (log ε) |  | 
 
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 | | HPTLC |  |  | TLC |  |  | GLC |  |  | HPLC | NP-HPLC (methyl ester) Retention time 24.0 min [ Zorbax-Sil 250 mm x 4.6 mm i.d., solvent CH2Cl2-iPrOH-H2O 125:25:2 v/v/v, flow-rate 1 ml.min-1] (20E 37.4 min) | 
 
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 |  | Permanent link to this datasheet: 20-HYDROXYECDYSONOIC ACID |  |