Microcystin-LR
| Names | |
|---|---|
| IUPAC name
(5R,8S,11R,12S,15S,18S,19S,22R)-15-[3-(diaminomethylideneamino)propyl]-18-[(1E,3E,5S,6S)-6-Methoxy-3,5-dimethyl-7-phenylhepta-1,3-dienyl]-1,5,12,19-tetramethyl-2-methylidene-8-(2-methylpropyl)-3,6,9,13,16,20,25-heptaoxo-1,4,7,10,14,17,21-heptazacyclopentacosane-11,22-dicarboxylic acid
| |
| Other names
5-L-Arginine-microcystin LA
| |
| Identifiers | |
CAS Number
|
|
3D model (JSmol)
|
|
| Abbreviations | MC-LR, MCYST-LR |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.150.186 |
| EC Number |
|
| KEGG | |
PubChem CID
|
|
| UNII | |
CompTox Dashboard (EPA)
|
|
InChI
| |
SMILES
| |
| Properties | |
Chemical formula
|
C49H74N10O12 |
| Molar mass | 995.189 g·mol−1 |
| Appearance | White solid |
| Density | 1.299 g/cm3 |
| Solubility in ethanol | 1 mg/mL |
| log P | −1.44 |
| Pharmacology | |
| Ingestion | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards
|
extremely toxic |
| GHS labelling: | |
Pictograms
|
|
Signal word
|
Danger |
Hazard statements
|
H300, H310, H315, H317, H319, H335 |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
|
5 mg/kg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
| |
Microcystin-LR (MC-LR) is a toxin produced by cyanobacteria. It is the most toxic of the microcystins.