Microcystin-WR CAS 138234-58-9
| CAS No. | 138234-58-9 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Microcystin-WR (CAS 138234-58-9), molecular formula N/A and molecular weight N/A g/mol, is a CATO reference standard with documented purity and traceability.
Microcystin-WR is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Purity | 5μg/mL in Methanol & Water |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1996 |
Related Microcystin Standards
- Microcystin-LR (CAS 101043-37-2)
- Microcystin-YR (CAS 101064-48-6)
- Microcystin-RR (CAS 111755-37-4)
- Microcystin-LY (CAS 123304-10-9)
- [Dha7]-Microcystin-LR (NRC Certified Calibration Solution)Concentration: 9.58 μmol/L of dmMCLR in aqueous Methanol (1:1, v/v) (CAS 134842-07-2)
- Microcystin-LF (CAS 154037-70-4)
- Microcystin-LW (CAS 157622-02-1)
- Microcystin LA (CAS 96180-79-9)
Recommended Standards
- 2-(4-Amino-1-benzylpiperidin-4-yl)acetonitrile (CAS 1536781-19-7)
- 1-(3-Methoxybenzyl)-1h-imidazole-4-carboxylic acid (CAS 1369014-08-3)
- 1-(3-((2-Aminoethyl)(isopropyl)amino)pyrrolidin-1-yl)ethanone (CAS 1353970-18-9)
- 3-(5-(Trifluoromethyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1197229-53-0)
- (S)-3-chloro-1-(3,5-difluorophenyl)propan-1-ol (CAS 872850-26-5)
- 3-Amino-1-cyclobutylpyridin-2(1H)-one (CAS 1785094-95-2)
- triphenylarsine oxide (CAS 1153-05-5)
- 1-Bromo-2,5-difluoro-4,6-dichlorobenzene (CAS 1160573-95-4)
- Methyl 5-Methoxy-2-oxo-2,3-dihydrobenzoxazole-7-carboxylate (CAS 1221791-71-4)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com