Endothelin-2 (human, canine) CAS 123562-20-9
| CAS No. | 123562-20-9 |
| Molecular Formula | C115H164N26O32S4 |
| Molecular Weight | 2550.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Endothelin-2 (human, canine) (CAS 123562-20-9), molecular formula C115H164N26O32S4 and molecular weight 2550.97 g/mol, is a CATO reference standard with documented purity and traceability.
Endothelin-2 (human, canine) (C115H164N26O32S4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Endothelin-2 (human, canine) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C115H164N26O32S4 |
| Molecular Weight | 2550.97 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) | 47.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 26 |
| Sulfur Atoms | 4 |
Related Endothelin Standards
- Endothelin-3 (human, mouse, rabbit, rat) (CAS 117399-93-6)
- (Ala1·3·11·1?)-Endothelin-1 (CAS 121204-87-3)
- Big Endothelin-3 (22-41) amide (human) (CAS 174283-52-4)
- Big Endothelin-1 (22-39), bovine (CAS 133474-20-1)
- Big Endothelin-1 (22-38), human (CAS 124932-61-2)
- 133972-52-8 Big Endothelin-1 (1-31) (human, bovine) (CAS 133972-52-8)
- Endothelin-1 (11-21) (CAS 144602-02-8)
- Big Endothelin-1 (1-38), human (CAS 121014-53-7)
Recommended Standards
- Atriopeptin III (rat) (CAS 90817-13-3)
- FGF basic (1-24) (human, bovine) (CAS 211362-85-5)
- (Tyr?)-Atriopeptin II (rat) (CAS 117856-13-0)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
- 1-((2,4-Dimethylphenyl)thio)-3-methylbutan-2-one (CAS 1498798-39-2)
- 3,3',4,4',5,5',6,6'-octafluoro[1,1'-biphenyl]-2,2'-dicarboxylic acid (CAS 16583-10-1)
- 8-bromoisoquinolin-5-amine (CAS 90721-34-9)
- 1-(Dimethylamino)-3-oxo-3-(tetrahydro-2H-pyran-4-yl)prop-1-en-2-yl benzoate (CAS 2415222-43-2)
- 5-Bromo-N-isopropyl-3-methylbenzofuran-2-carboxamide (CAS 848908-61-2)
- (3Z)-3-{[(2,4-dichlorophenyl)methoxy]imino}-N-(4-phenoxyphenyl)propanamide (CAS 477851-47-1)
- 2,4,6-trifluoropyridine-3-sulfonyl chloride (CAS 1803609-38-2)
- Cholic Acid Impurity 18 (CAS 517-33-9)
- 3-(Difluoromethoxy)picolinonitrile (CAS 1206981-09-0)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com