STIGMATELLIN
- CAS NO.：91682-96-1
- Empirical Formula: C30H42O7
- Molecular Weight: 514.65
- MDL number: MFCD00077874
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:21:30
What is STIGMATELLIN?
The Uses of STIGMATELLIN
Stigmatellin is a cytochrome bc1 complex inhibitor.
Definition
ChEBI: A member of the class of chromones that is isolated from Stigmatella aurantiaca Sg a15.
Purification Methods
Stigmatellin A is stable in aqueous solution at neutral pH but decomposes at pH <5. It is purified by recrystallisation from toluene/hexane. It has UV max: nm () 248sh (4,100), 258 (59,500), 267 (65,500)max: 3550m, 1645chs, 1635ss, 1620ss, 1590s, 1510m and 905m cm-1. It gives colour reactions at 110o with vanillin/H2SO4 (grey), Ce(IV)/(NH4)2SO4 (yellow) and phosphomolybdate (blue-grey). [H.fle et al. Justus Liebigs Ann Chem 1882 1984.] It inhibits electron transport [Jagow & Link Methods Enzymol 126 253 1986, Robertson et al. Biochemistry 32 1310 1933], and has antibiotic properties [Kunze et al. J Antibiot 37 454 1984]. The 7t,9t,11c-isomer is Stigmatellin B.
Properties of STIGMATELLIN
| Melting point: | 129°C |
| Boiling point: | 520.22°C (rough estimate) |
| Density | 1.0924 (rough estimate) |
| refractive index | 1.5800 (estimate) |
| storage temp. | −20°C |
| pka | 8.67±0.40(Predicted) |
Safety information for STIGMATELLIN
Computed Descriptors for STIGMATELLIN
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