Big Endothelin-1 (22-39), bovine CAS 133474-20-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133474-20-1 |
| Molecular Formula | C83H130N24O27 |
| Molecular Weight | 1896.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Big Endothelin-1 (22-39), bovine (CAS 133474-20-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C83H130N24O27. Molecular weight: 1896.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C83H130N24O27 |
| Molecular Weight | 1896.10 g/mol |
| Purity | 97%+ |
| 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) | 31.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 24 |
Related Big Standards
- Big Endothelin-1 (22-38), human (CAS 124932-61-2)
- Big Endothelin-3 (22-41) amide (human) (CAS 174283-52-4)
- (Ala1·3·11·1?)-Endothelin-1 (CAS 121204-87-3)
- Endothelin-1 (11-21) (CAS 144602-02-8)
- Endothelin-2 (human, canine) (CAS 123562-20-9)
- Endothelin-3 (human, mouse, rabbit, rat) (CAS 117399-93-6)
- Endothelin (16-21) (CAS 121377-67-1)
- 133972-52-8 Big Endothelin-1 (1-31) (human, bovine) (CAS 133972-52-8)
Recommended Standards
- Sugammadex Impurity Org244517-1 (CAS 3052554-61-4)
- Activated Protein C (390-404) (Human) (CAS 146340-20-7)
- Sugammadex Impurity 41 (CAS CATO-C4X-190641)
- Variamine Blue B Diazonium Salt (CAS 101-69-9)
- 1221153-81-6 (2E)-1-[5-Chloro-1-(propan-2-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]-3-(dimethylamino)prop-2-en-1-one DTXSID60719909 (CAS 1221153-81-6)
- 4-[trans-2-aminocyclopropyl]phenol (CAS 104777-77-7)
- 2,4,6-Trimethoxy-5-(trimethylsilyl)pyrimidine (CAS 126327-72-8)
- Butyl 4-(4-chlorophenyl)-4-oxobutanoate (CAS 340283-98-9)
- 3-Chloro-5-cyclopropylpyridine (CAS 1256803-11-8)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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 13829788188 / jacky.chen@cato-chem.com