1-L-Valine-11-L-phenylalaninegramicidin A CAS 4422-52-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4422-52-0 |
| Molecular Formula | C97H139N19O17 |
| Molecular Weight | 1843.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-L-Valine-11-L-phenylalaninegramicidin A (CAS 4422-52-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C97H139N19O17. Molecular weight: 1843.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C97H139N19O17 |
| Molecular Weight | 1843.26 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) | 38.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 19 |
Related L Standards
- L-Valine Orlistat (CAS 1243107-50-7)
- L-Valine-d8-N-FMOC (CAS 1007834-06-1)
- L-Valine, N-[(2-propen-1-yloxy)carbonyl]-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 1343476-61-8)
- D-Valine, N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl- (CAS 139601-17-5)
- L-Valine, N-acetyl-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 56186-37-9)
- L-Valine-d8-N-t-BOC (CAS 153568-33-3)
- L-Valine-13C, N-Boc (CAS 286460-61-5)
- D-Valine benzyl ester, 98% (CAS 46460-17-7)
Recommended Standards
- 1,1'-[2-[[3-[[(9Z)-1-OXo-9-octadecen-1-yl]oxy]-2,2-bis[[[(9Z)-1-oxo-9-octadecen-1-yl]oxy]methyl]propoxy]methyl]-2-[[[(9Z)-1-oxo-9-octadecen-1-yl]oxy]methyl]-1,3-propanediyl] di-(9Z)-9-octadecenoate (CAS 70984-13-3)
- Dalbavancin Impurity 17 (CAS CATO-C4X-160217)
- Peptide Impurity (CAS CATO-CPTD788810)
- 6-Chloro-6,7-dihydro-5H,9H-8-oxa-4b,10-diaza-benzo[a]azulene (CAS 537010-43-8)
- 2-Ethynylpiperidine (CAS 959918-17-3)
- n1,n1,n4,n4-Tetramethylpiperazine-1,4-dicarboxamide (CAS 21579-91-9)
- Ethyl 4-oxo-4-(p-tolyl)butanoate (CAS 6942-61-6)
- Methyl (E)-2-cyano-3-methoxyacrylate (CAS 55883-89-1)
- 1,18-Octadecanediol (CAS 3155-43-9)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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