b-Endorphin (18-31) (human) (H-5686.0500) CAS 74216-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 74216-35-6 |
| Molecular Formula | C75H122N20O20 |
| Molecular Weight | 1623.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order b-Endorphin (18-31) (human) (H-5686.0500) (CAS 74216-35-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C75H122N20O20. Molecular weight: 1623.89 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C75H122N20O20 |
| Molecular Weight | 1623.89 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) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 20 |
Related b Standards
- α-Endorphin (CAS 59004-96-5)
- γ-Endorphin (CAS 60893-02-9)
- β-Endorphin (6-31) (human) (CAS 77761-27-4)
- 66954-40-3 beta-Endorphin (1-27) beta-Endorphin, 28-de-L-lysine-29-de-L-lysine-30-deglycine-31-de-L-glutamine- beta-Endorphin(1-27) (CAS 66954-40-3)
- Acetyl-δ-Endorphin (bovine, camel, mouse, ovine) (CAS 78325-29-8)
- β-Endorphin TFA salt (human) (CAS 61214-51-5（free base）)
- b-Endorphin (equine) (H-5636.0001) (CAS 79495-86-6)
- b-Endorphin (bovine, camel, mouse) (H-2705.0001) (CAS 59887-17-1)
Recommended Standards
- ACTH (1-13) (CAS 22006-64-0)
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- 5-Chloro-2,3-dimethylpyrazine (CAS 59489-32-6)
- 13-cis-Vitamin A Palmitate (CAS 26771-20-0)
- Brexpiprazole Impurity 27 (CAS 2760672-16-8)
- 2,4-Dichloro-3-fluoromandelic acid (CAS 1805478-88-9)
- 4-Chloro-N-cyclopropyl-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide (CAS 1287026-34-9)
- Ethyl 4-{[(1Z)-2-(3,4-dimethoxyphenyl)-3-oxobut-1-en-1-yl]amino}benzoate (CAS 339017-35-5)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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