(S)-5-Guanidino-2-((((6-(6-oxo-1H-purin-9(6H)-yl)hexyl)oxy)carbonyl)amino)pentanoic acid CAS 128554-80-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128554-80-3 |
| Molecular Formula | C18H28N8O5 |
| Molecular Weight | 436.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-5-Guanidino-2-((((6-(6-oxo-1H-purin-9(6H)-yl)hexyl)oxy)carbonyl)amino)pentanoic acid (CAS 128554-80-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H28N8O5. Molecular weight: 436.47 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H28N8O5 |
| Molecular Weight | 436.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 8 |
Related S Standards
- (S)-5-Guanidino-2-((((5-(6-oxo-1H-purin-9(6H)-yl)pentyl)oxy)carbonyl)amino)pentanoic acid (CAS 104317-64-8)
- (S)-5-Guanidino-2-((S)-3-phenyl-2-((S)-pyrrolidine-2-carboxamido)propanamido)pentanoic acid (CAS 23846-09-5)
- N-(5-Guanidino-1-(naphthalen-2-ylamino)-1-oxopentan-2-yl)benzamide (CAS 305-09-9)
- (S)-5-Guanidino-2-tetradecanamidopentanoic acid (CAS 60372-80-7)
- (S)-5-((2-((5-Guanidino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-5-oxopentanoic acid (CAS 65147-16-2)
- 2-((S)-5-Guanidino-2-((S)-pyrrolidine-2-carboxamido)pentanamido)acetic acid (CAS 136134-15-1)
- 4-Guanidino-N-(pyrazin-2-yl)benzamide (CAS 785013-66-3)
- 4-Guanidino-N-(pyrimidin-2-yl)benzamide (CAS 714907-42-3)
Recommended Standards
- Glutaryl-Phe-AMC (CAS 58632-47-6)
- Gold, trichloro(2-methylbenzoxazole-N3)-, (SP-4-2)- (CAS 132963-52-1)
- Fmoc-Val-OSu (CAS 130878-68-1)
- Benzathine phenoxymethylpenicillin CRS (CAS 5928-84-7)
- 3-(4-Chlorophenyl)-1,2,4-thiadiazol-5(4H)-one (CAS 192817-66-6)
- 5-((Methylsulfonyl)methyl)-6-nitroquinoline (CAS 1710472-30-2)
- (4-(4-(4-(Dimethylamino)phenyl)buta-1,3-dien-1-yl)phenyl)boronic acid (CAS 406719-95-7)
- 1-(2-Bromopyridin-4-yl)propan-1-one (CAS 1049025-15-1)
- (2,6-Difluorophenyl)(2-((2-fluorobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851806-99-0)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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