Intermediates
SPDP-PEG3-COOH
Quick view. SPDP-PEG3-COOH is a disulfide-containing PEG linker intermediate identified by CAS 1433996-96-3 and PubChem CID 77078430. CAS 1433996-96-3. Catalog target purity: ≥98%. Availability: Inquiry only; contact BX Lab to confirm current availability.
Structure and identity
The structure drawing for this item is being finalized. Use the CAS number and machine-readable identifiers below to confirm the requested protecting groups, stereochemistry, salt or counterion and hydration state before ordering.
CAS, molecular formula, SMILES or InChI data are shown below when available.
We withhold a drawing when a related compound, alternate salt or incompletely specified stereoisomer could be mistaken for the requested material.
Agreed identity and purity criteria are documented in the quotation, specification and lot-specific data package.
Product profile
SPDP-PEG3-COOH is classified as intermediates (Formula C17H26N2O6S2; molecular weight 418.5).
SPDP-PEG3-COOH — Reference use: heterobifunctional linker studies involving pyridyl-disulfide thiol conjugation and carboxyl-group coupling.
For SPDP-PEG3-COOH, confirm the current specification, storage conditions and downstream-method compatibility before routine use.
Names and search terms
Confirmed or normalized name variants
- SPDP-PEG3-Acid
- OPSS-PEG3-COOH
Useful catalog search terms
- CAS 1433996-96-3
- PubChem CID 77078430
- KOUFRWRNINLSNS-UHFFFAOYSA-N
Physicochemical data
| PubChem CID | 77078430 |
|---|---|
| SMILES | C1=CC=NC(=C1)SSCCC(=O)NCCOCCOCCOCCC(=O)O |
| InChIKey | KOUFRWRNINLSNS-UHFFFAOYSA-N |
| Catalog identity | BroadPharm BP-45204 |
Release documentation
The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.
Additional HPLC, MS or NMR documentation can be agreed during technical review where available.
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Frequently asked questions
Can the package size for SPDP-PEG3-COOH be customized?
Yes. Share the initial quantity, expected future scale, delivery timeline and packaging preference for review.
What information should be included in a quote request?
Quote catalog number BX-LP-0043 and CAS 1433996-96-3, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.