Microcystin-LR CAS 101043-37-2
| CAS No. | 101043-37-2 |
| Molecular Formula | C49H74N10O12 |
| Molecular Weight | 995.17 g/mol |
| 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.
CATO supplies Microcystin-LR (CAS 101043-37-2), a certified reference material (molecular formula C49H74N10O12, MW 995.17 g/mol) for analytical method development and quality control.
Structurally, Microcystin-LR (C49H74N10O12) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 995.17 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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
| Molecular Formula | C49H74N10O12 |
| Molecular Weight | 995.17 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 10 |
Related Microcystin Standards
- Microcystin-LY (CAS 123304-10-9)
- Microcystin-LF (CAS 154037-70-4)
- [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-LW (CAS 157622-02-1)
- Microcystin-RR (CAS 111755-37-4)
- Microcystin-YR (CAS 101064-48-6)
- Microcystin LA (CAS 96180-79-9)
- Microcystin HtyR (CAS CATO-CCHM704113)
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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