| 
 |  
|
 
| 
Year of first isolation: | 
2025 |  
| Formula: | C29H44O7 |  
| Molecular weight: | 504 |  
| Occurence in plants:  |  
Cyanotis arachnoidea [Commelinaceae] »   ![Wikipedia: Cyanotis arachnoidea [Commelinaceae]](/images/wikipedia.png)  
 |  
| Occurence in animals:  |  
| 
 
 |   
 | 
 
 |  |
 
Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C[C@@]12[C@](C(C=C3C2CC[C@@]4(C)C3=CC[C@]4([H])[C@](C)([C@H](O)CCC(C)(O)C)O)=O)([H])C[C@@H](O)[C@@H](OC(C)=O)C1 »  
  |  | IUPAC Name | (2S,3R,5S,10R,13R,17S)-3-hydroxy-10,13-dimethyl-6-oxo-17-((2R,3R)-2,3,6-trihydroxy-6-methylheptan-2-yl)-2,3,4,5,6,9,10,11,12,13,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-2-yl acetate |  | CAS-RN |    |  | PubChem CID |    |  InChiKey [ ChemIDPlus: search ] | GLQSRMNIWRCFFY-YQLIVFRNSA-N |  | InChI | InChI=1S/C29H44O7/c1-16(30)36-23-15-28(5)19-9-12-27(4)18(17(19)13-21(31)20(28)14-22(23)32)7-8-24(27)29(6,35)25(33)10-11-26(2,3)34/h7,13,19-20,22-25,32-35H,8-12,14-15H2,1-6H3/t19?,20-,22-,23+,24+,25-,27+,28-,29-/m1/s1 |  
  
 |  |
 
| EI-MS m/z (relative intensity %)  | 505.3 (M+H, 12.8), 469.1 (11.8), 451.1 (39.5), 394.9 (3.7), 391.1 (4.5), 343 (100), 340.9 (4.8), 335.1 (5.1), 283.2 (14.7), 127.3 (3.7) |  
  
 |  
|
 
| CD3OD |  | 01 | 41.1  |  | 02 | 73.4  |  | 03 | 71.0  |  | 04 | 25.8  |  | 05 | 54.9  |  | 06 | 201.7  |  | 07 | 122.4  |  | 08 | 157.4  |  | 09 | 52.6  |  | 10 | 39.7  |  | 11 | 21.8  |  | 12 | 40.8  |  | 13 | 48.9  |  | 14 | 150.6  |  | 15 | 130.1  |  | 16 | 31.9  |  | 17 | 59.0  |  | 18 | 20.1  |  | 19 | 15.4  |  | 20 | 77.2  |  | 21 | 20.4  |  | 22 | 78.6  |  | 23 | 27.3  |  | 24 | 42.2  |  | 25 | 71.4  |  | 26 | 28.9  |  | 27 | 30.1  |  | 28 | 21.4  |  | 29 | 172.7  |  
  | 
| CD3OD |  | 01-Ha | 1.64   |  | 01-Hb | 2.16   |  | 02-Ha | 5.12   |  | 03-He | 3.70   |  | 04-Ha | 2.05   |  | 04-Hb | 1.72   |  | 05-H | 2.44   |  | 07-H | 6.12   |  | 09-H | 2.36   |  | 11-Ha | 1.79   |  | 11-Hb | 1.72   |  | 12-Ha | 1.44   |  | 12-Hb | 2.26   |  | 15-H | 6.06   |  | 16-Ha | 2.25   |  | 16-Hb | 2.60   |  | 17-H | 2.16   |  | 18-Me | 1.13   |  | 19-Me | 0.96   |  | 21-Me | 1.24   |  | 22-H | 3.32   |  | 23-Ha | 1.60   |  | 23-Hb | 1.30   |  | 24-Ha | 1.80   |  | 24-Hb | 1.43   |  | 25-H | — |  | 26-Me | 1.18   |  | 27-Me | 1.21   |  | 28-Me | 2.07   |  | 29-H | — |  
  |   
 |  |
 
| M.P. | — °C |  | [α]D20 | (c ; MeOH) |  | IR (KBr) ν max (cm-1) |   |  | UV (MeOH) λ max (log ε) | nm (-)  |  
  
 |  |
 
 
 |  |
 
 
  
 |  |
 
 
 |  | 
Permanent link to this datasheet: 5α-STACHYSTERONE B 2-ACETATE
 |  
 
 |