Big Endothelin-1 (1-38), human CAS 121014-53-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 121014-53-7 |
| Molecular Formula | C189H287N49O55S5 |
| Molecular Weight | 4286.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Big Endothelin-1 (1-38), human (CAS 121014-53-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C189H287N49O55S5. Molecular weight: 4286.00 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C189H287N49O55S5 |
| Molecular Weight | 4286.00 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) | 71.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 49 |
| Sulfur Atoms | 5 |
Related Big Standards
- 133972-52-8 Big Endothelin-1 (1-31) (human, bovine) (CAS 133972-52-8)
- Endothelin-3 (human, mouse, rabbit, rat) (CAS 117399-93-6)
- Endothelin-2 (human, canine) (CAS 123562-20-9)
- (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)
- Endothelin-1 (11-21) (CAS 144602-02-8)
Recommended Standards
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- 1H-Inden-7-yl methyl ether (CAS 40243-64-9)
- 5-Chloro-N1,6-dimethylbenzene-1,2-diamine (CAS 861552-85-4)
- 6-(2-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 106658-35-9)
- 3-(Dimethylamino)-4-phenyl-N-(3-(trifluoromethyl)phenyl)-1H-pyrazole-1-carbothioamide (CAS 321553-14-4)
- Ethyl 7-bromobenzo[d]thiazole-2-carboxylate (CAS 1188170-07-1)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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