C33H48O6
540.7 g/mol
OtherDanger
Leptomycin B
CAS87081-35-4
Category
Other
Compound Class
Natural Product
Primary Use
secondary metabolite from Streptomyces
Leptomycin B is a secondary metabolite produced by Streptomyces bacteria. It is a polyketide compound containing a carboxylic acid, an alcohol, an ester, an ether, and a heterocyclic ring, and functions primarily as a research tool for studying cellular processes.
research reagent for cellular transport studiesbiochemical tool for investigating nuclear export
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 0.88
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pharmaceutical raw material
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ReferenceSame Category
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research intermediate
Referencesame scaffold
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pharmaceutical raw material
Safety Reference
Danger
H225Highly flammable liquid and vapour
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H370Causes damage to organs
Customs Tariff Classification
The international HS code for Leptomycin B (CAS 87081-35-4) is 2941.90.
HS code (international, 6-digit)
2941.90
EU CN code (8-digit)
2941 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-[(2S,3S)-3-methyl-6-oxo-2,3-dihydropyran-2-yl]-8-oxononadeca-2,10,12,16,18-pentaenoic acid
InChIKey
YACHGFWEQXFSBS-XYERBDPFSA-N
SMILES
CC/C(=C/[C@H](C)C/C=C/C(=C/[C@@H](C)C(=O)[C@@H](C)[C@@H]([C@@H](C)C/C(=C/C(=O)O)/C)O)/C)/C=C/[C@H]1[C@H](C=CC(=O)O1)C
Synonyms (22)
- LMB
- ATS 1287B
- Antibiotic CI 940
- Antibiotic CL 1957A
- Antibiotic PD 114720
- CL 1957A
- Elactocin
- Leptomycin B
- Leptomycin B, Free Acid
- Mantuamycin
- PD-114,720
- antibiotic ATS 1287B
- leptomycin
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