DBCO-PEG1-NHS ester CAS 2228857-34-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2228857-34-7 |
| Molecular Formula | C28H27N3O7 |
| Molecular Weight | 517.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
DBCO-PEG1-NHS ester (CAS 2228857-34-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H27N3O7. Molecular weight: 517.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H27N3O7 |
| Molecular Weight | 517.53 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
Related DBCO Standards
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- DBCO-PEG4-alcohol (CAS 1416711-60-8)
- DBCO-Sulfo-NHS ester (sodium) (CAS 1400191-52-7)
- DBCO-PEG2-NH-Boc (CAS 2377004-08-3)
- DBCO-PEG1-NH-Boc (CAS 2364591-77-3)
- DBCO-C2-SulfoNHS ester (CAS 1803279-86-8)
- Dbco-peg4-acid (CAS 2110448-99-0)
Recommended Standards
- 7-[4-[(2,3-Dihydro-1,4-benzodioxin-6-yl)sulfonyl]-1-piperazinyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid (CAS 743444-68-0)
- Naltrexone-3-β-D-glucuronide (CAS 76630-71-2)
- 3-(5-(4-(Cyclopentyloxy)-2-hydroxybenzoyl)-2-((3-hydroxybenzo-[d]isoxazol-6-yl)methoxy)phenyl)propanoic acid (CAS 530141-72-1)
- 4-(Methylsulfanyl)-2-(2-phenoxyacetamido)butanoic acid (CAS 882656-30-6)
- 1H,2H,3H-thieno[2,3-d]imidazol-2-one (CAS 71309-43-8)
- 4-Methylpentanethioamide (CAS 16525-32-9)
- 1-(Bromomethyl)-4-(1,1,1-trifluoropropan-2-yl)benzene (CAS 1204295-85-1)
- N-methylspiro[3.4]Octan-2-amine (CAS 1527683-05-1)
- 3-Amino-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxylic acid (CAS 352454-15-0)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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