SPDP-PEG6-NHS ester CAS 1818294-32-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1818294-32-4 |
| Molecular Formula | C27H41N3O11S2 |
| Molecular Weight | 647.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
SPDP-PEG6-NHS ester (CAS 1818294-32-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H41N3O11S2. Molecular weight: 647.76 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C27H41N3O11S2 |
| Molecular Weight | 647.76 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related SPDP Standards
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- PEG4-SPDP (CAS 1305053-43-3)
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- SPDP-PEG4-acid (CAS 581065-97-6)
- SPDP-sulfo (CAS 121115-30-8)
- SPDP-PEG12-NHS ester (CAS 2601437-72-1)
Recommended Standards
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- Fmoc-Arg(Pbf)-NH2 (CAS 252348-72-4)
- (11bR)-2,6-di-2-naphthalenyl-3,3,5,5-tetraoxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dithiazepine (CAS 1245748-55-3)
- 1-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)piperidin-4-amine (CAS 1708080-69-6)
- 5-Bromo-2-(piperidin-3-yl)pyrimidine (CAS 1344231-66-8)
- 18-[(2-Methylpropan-2-yl)oxy]-18-oxooctadecanoic Acid (CAS 843666-40-0)
- 1-Aza-18-crown-6 (CAS 33941-15-0)
- Scoulerin hydrochloride (CAS 20180-95-4)
- 3-Ethoxy-1-methyl-1h-pyrazol-4-amine (CAS 1356543-43-5)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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