MICROCYSTIN YR
Synonym(s):Algae bloom toxin;Biotoxin;Cyanobacterial toxin
- CAS NO.：101064-48-6
- Empirical Formula: C52H72N10O13
- Molecular Weight: 1045.19
- MDL number: MFCD00236437
- EINECS: 621-458-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:10
What is MICROCYSTIN YR?
The Uses of MICROCYSTIN YR
Microcystin YR from Microcystis aeruginosa has been used to assess cytotoxicity in neutrophils using DNA fragmentation and cell viability assays and as a reference standard in the quantification of microcystin from water samples.
General Description
Microcystin is a potent cyanotoxin produced by the bloom of Microcystis aeruginosa. It is harmful to aquatic animals. It is a heptapeptide and exists as multiple variant forms. pCO2 and nitrogen levels modulate the toxic variants levels. It elicits damage to the liver and other organs.
Biochem/physiol Actions
Microcystin YR inhibits protein phosphatase type 2A and protein phosphatase type 1. Toxicity to undifferentiated cells was seen by inhibition of neutral red uptake, >80% at 100 μM, after 48 h.
Properties of MICROCYSTIN YR
| Density | 1.33±0.1 g/cm3(Predicted) |
| Flash point: | 11 °C |
| storage temp. | −20°C |
| solubility | methanol: 2 mg/mL (further dilute to 10% (v/v) methanol) |
| pka | 3.02±0.70(Predicted) |
| form | white powder |
| EPA Substance Registry System | Cyclo[2,3-didehydro-N-methylalanyl-D-alanyl-L-tyrosyl-(3S)-3-methyl-D-.beta.-aspartyl-L-arginyl-(2S,3S,4E,6E,8S,9S)-3-amino-9-methoxy-2,6,8-trimethyl-10-phenyl-4,6-decadienoyl-D-.gamma.-glutamyl] (101064-48-6) |
Safety information for MICROCYSTIN YR
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H300:Acute toxicity,oral H301:Acute toxicity,oral H310:Acute toxicity,dermal H311:Acute toxicity,dermal H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H330:Acute toxicity,inhalation H331:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H370:Specific target organ toxicity, single exposure |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P311:Call a POISON CENTER or doctor/physician. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P350:IF ON SKIN: Gently wash with plenty of soap and water. |
Computed Descriptors for MICROCYSTIN YR
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