N-(m-PEG4)-N'-(PEG2-acid)-Cy5 CAS 2107273-24-3
| CAS No. | 2107273-24-3 |
| Molecular Formula | C41H57N2O8 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies N-(m-PEG4)-N'-(PEG2-acid)-Cy5 (CAS 2107273-24-3), a certified reference material (molecular formula C41H57N2O8Cl, MW 741.36 g/mol) for analytical method development and quality control.
Structurally, N-(m-PEG4)-N'-(PEG2-acid)-Cy5 (C41H57N2O8Cl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 741.36 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C41H57N2O8 Cl |
| Molecular Weight | 741.36 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-(4-Aminophenyl)-1H-benzo[d]imidazole-6-carboxylic acid (CAS 190121-99-4)
- (S)-2-Amino-N-((S)-3,3-dimethyl-1-(methylamino)-1-oxobutan-2-yl)-4-methylpentanamide (CAS 178933-95-4)
- p-Xylene-α,α,α,α′,α′,α′-d6 (CAS 25493-13-4)
- 3-(Aminomethyl)quinuclidin-3-ol (CAS 128200-13-5)
- (5-Chloro-1,2,3-thiadiazol-4-yl)methanol (CAS 926207-15-0)
- Ethyl 3-(cyclopropylmethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine-7-carboxylate (CAS 1923082-74-9)
- Lincomycin Impurity 28 (CAS CATO-C4X-134228)
- 1-(2-Chloro-4-fluorophenyl)-3-azabicyclo[3.1.0]Hexane (CAS 2231771-00-7)
- Ethyl 2-{2-[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-amido]-1,3-thiazol-4-yl}benzoate (CAS 250713-88-3)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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 18665070610 / Nicole.chen@cato-chem.com