Hydroxy-PEG3-NHS CAS 1807518-71-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1807518-71-3 |
| Molecular Formula | C13H21NO8 |
| Molecular Weight | 319.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Hydroxy-PEG3-NHS (CAS 1807518-71-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H21NO8. Molecular weight: 319.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H21NO8 |
| Molecular Weight | 319.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
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Recommended Standards
- 2,5-Bis(4-carboxyphenyl)pyridine (CAS 1800425-09-5)
- 5-(3-Aminophenyl)-2’-deoxyuridine (CAS 188482-60-2)
- NQDI-1 (CAS 175026-96-7)
- N-(4-bromo-3-methyl-2-nitrophenyl)acetamide (CAS 914223-24-8)
- 2-[(1E,3E)-4-[4-(Dimethylamino)phenyl]buta-1,3-dien-1-yl]-1-methylpyridin-1-ium iodide (CAS 139557-65-6)
- [S(R)]-N-[(S)-[6-(Diphenylphosphino)benzo[d][1,3]dioxol-5-yl]-1-naphthalenylmethyl]-2-methyl-2-propanesulfinamide (CAS 2565792-26-7)
- 4-(((5-Methylfuran-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-92-4)
- Methyl (2S,4S)-4-(2-chloro-4-ethylphenoxy)-2-pyrrolidinecarboxylate hydrochloride (CAS 1354487-40-3)
- 9-Chloro-7-fluoro-1,2,3,4-tetrahydroacridine (CAS 66949-81-3)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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