Intermediates
Maleimide NHS Ester (SMCC)
Quick view. Maleimide NHS Ester (SMCC) is a heterobifunctional crosslinking intermediate identified by CAS 64987-85-5 and PubChem CID 125175. CAS 64987-85-5. 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
Maleimide NHS Ester (SMCC) is classified as intermediates (Formula C16H18N2O6; molecular weight 334.32).
Maleimide NHS Ester (SMCC) — Reference use: amine-to-thiol conjugation studies using the NHS ester and maleimide reactive groups.
For Maleimide NHS Ester (SMCC), functional handles may require orthogonal protection, pH control and rapid purification to avoid hydrolysis, oxidation or cross-reaction.
Names and search terms
Confirmed or normalized name variants
- SMCC
- Succinimidyl 4-(N-maleimidomethyl)cyclohexanecarboxylate
- N-Succinimidyl 4-(N-maleimidomethyl)cyclohexanecarboxylate
Useful catalog search terms
- Maleimide NHS Ester SMCC
- CAS 64987-85-5
- PubChem CID 125175
- JJAHTWIKCUJRDK-UHFFFAOYSA-N
Physicochemical data
| PubChem CID | 125175 |
|---|---|
| SMILES | C1CC(CCC1CN2C(=O)C=CC2=O)C(=O)ON3C(=O)CCC3=O |
| InChIKey | JJAHTWIKCUJRDK-UHFFFAOYSA-N |
| Product-form boundary | SMCC; distinct from Sulfo-SMCC |
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.
Product-specific evaluation notes
Potential advantages
- Reactive handles make the product adaptable across dye-labeling, surface-coupling and ligand-conjugation workflows.
Method limitations
- Functional handles may require orthogonal protection, pH control and rapid purification to avoid hydrolysis, oxidation or cross-reaction.
These points describe Maleimide NHS Ester (SMCC) or its named chemical feature. Broader product-family guidance is maintained on the category page.
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Frequently asked questions
Can the package size for Maleimide NHS Ester (SMCC) 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-0041 and CAS 64987-85-5, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.