Azide-PEG1-Val-Cit-PABC-OH CAS 2055041-40-0
| CAS No. | 2055041-40-0 |
| Molecular Formula | C23H36N8O6 |
| Molecular Weight | 520.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 520.58 g/mol gives Azide-PEG1-Val-Cit-PABC-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Azide-PEG1-Val-Cit-PABC-OH (CAS 2055041-40-0), molecular formula C23H36N8O6 and molecular weight 520.58 g/mol, is a CATO reference standard with documented purity and traceability.
Azide-PEG1-Val-Cit-PABC-OH (C23H36N8O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H36N8O6 |
| Molecular Weight | 520.58 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 8 |
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Recommended Standards
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- 2-((1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)oxy)acetic acid (CAS 28144-25-4)
- 6-Methoxyspiro[benzo[e][1,3]oxazine-2,4'-piperidin]-4(3H)-one hydrochloride (CAS 1204346-31-5)
- 4-Methyl-N-(9-oxo-9H-thioxanthen-2-yl)benzamide (CAS 243472-20-0)
- 2-Amino-N-(2,3-dihydro-1H-inden-2-yl)acetamide (CAS 1158777-84-4)
- [1,2,4]Triazolo[4,3-a]pyridin-6-ol (CAS 1427853-23-3)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
Why CATO?
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