ADC LINKERS

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  1. Fmoc-12-amino-4,7,10-trioxadodecanoic acid
    CAS: 867062-95-1 Formula: C24H29NO7 Molecular Weight: 443.5
    ● In Stock — US warehouse, ships to EU* Item #: F122098
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    Technical Identifiers
    IUPAC Name
    3-[2-[2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)ethoxy]ethoxy]ethoxy]propanoic acid
    SMILES
    C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NCCOCCOCCOCCC(=O)O
    InChIKey
    CHIDDYZONKDHLG-UHFFFAOYSA-N
    InChI
    1S/C24H29NO7/c26-23(27)9-11-29-13-15-31-16-14-30-12-10-25-24(28)32-17-22-20-7-3-1-5-18(20)19-6-2-4-8-21(19)22/h1-8,22H,9-17H2,(H,25,28)(H,26,27)
    Synonyms
    Fmoc-NH-PEG3-CH2CH2COOH | N-Fmoc-12-amino-4,7,10-trioxadodecanoicacid | 1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13-tetraoxa-...
  2. Fmoc-15-amino-4,7,10,13-tetraoxapentadecacanoic acid
    CAS: 557756-85-1 Formula: C26H33NO8 Molecular Weight: 487.55
    ● In Stock — US warehouse, ships to EU* Item #: F122099
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    IUPAC Name
    3-[2-[2-[2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
    SMILES
    C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NCCOCCOCCOCCOCCC(=O)O
    InChIKey
    NUHRPLKTAAVHCZ-UHFFFAOYSA-N
    InChI
    1S/C26H33NO8/c28-25(29)9-11-31-13-15-33-17-18-34-16-14-32-12-10-27-26(30)35-19-24-22-7-3-1-5-20(22)21-6-2-4-8-23(21)24/h1-8,24H,9-19H2,(H,27,30)(H,28,show more
    Synonyms
    Fmoc-15-amino-4,7,10,13-tetraoxapentadecacanoic acid | Fmoc-NH-PEG4-CH2CH2COOH
  3. Fmoc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic acid
    CAS: 882847-34-9 Formula: C30H41NO10 Molecular Weight: 575.65
    ● In Stock — US warehouse, ships to EU* Item #: F122101
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    IUPAC Name
    3-[2-[2-[2-[2-[2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
    SMILES
    C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NCCOCCOCCOCCOCCOCCOCCC(=O)O
    InChIKey
    HEGZERUHBVYZPH-UHFFFAOYSA-N
    InChI
    1S/C30H41NO10/c32-29(33)9-11-35-13-15-37-17-19-39-21-22-40-20-18-38-16-14-36-12-10-31-30(34)41-23-28-26-7-3-1-5-24(26)25-6-2-4-8-27(25)28/h1-8,28H,9-2show more
    Synonyms
    Fmoc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic | 1-(9H-Fluoren-9-ylmethyl) 5,8,11,14,17,20-hexaoxa-2-azatricosane...
  4. N-butyryl-L-Homoserine lactone
    CAS: 67605-85-0 Formula: C8H13NO3 Molecular Weight: 171.19
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
    ● In Stock — US warehouse, ships to EU* Item #: N336049
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    IUPAC Name
    N-[(3S)-2-oxooxolan-3-yl]butanamide
    SMILES
    CCCC(=O)NC1CCOC1=O
    InChIKey
    VFFNZZXXTGXBOG-LURJTMIESA-N
    InChI
    1S/C8H13NO3/c1-2-3-7(10)9-6-4-5-12-8(6)11/h6H,2-5H2,1H3,(H,9,10)/t6-/m0/s1
    Synonyms
    N-(butyryl)-L-homoserine lactone | C4-HSL | SR-01000946805 | C4-HSL;N-Butyryl-L-homoserine lactone | N-[(3s)-2-Oxotet...
  5. Di(N-succinimidyl) 3,3'-Dithiodipropionate [Cross-linking Reagent]
    CAS: 57757-57-0 Formula: C14H16N2O8S2 Molecular Weight: 404.41
    ● In Stock — US warehouse, ships to EU* Item #: D155705
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    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3-[[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropyl]disulfanyl]propanoate
    SMILES
    C1CC(=O)N(C1=O)OC(=O)CCSSCCC(=O)ON2C(=O)CCC2=O
    InChIKey
    FXYPGCIGRDZWNR-UHFFFAOYSA-N
    InChI
    1S/C14H16N2O8S2/c17-9-1-2-10(18)15(9)23-13(21)5-7-25-26-8-6-14(22)24-16-11(19)3-4-12(16)20/h1-8H2
    Synonyms
    3,3'-Dithiopropionic acid di(N-succinimidyl ester) | 3,3'-DITHIO(SUCCINIMIDYL PROPIONATE) | Di(N-succinimidyl) 3,3 in...
  6. Bis-PEG9-NHS ester
    CAS: 1008402-79-6 Formula: C30H48N2O17 Molecular Weight: 708.71
    Liquid ≥95%
    ● In Stock — US warehouse, ships to EU* Item #: B165382
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    Technical Identifiers
    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]etshow more
    SMILES
    C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
    InChIKey
    CQWLSZJYTZVHMU-UHFFFAOYSA-N
    InChI
    1S/C30H48N2O17/c33-25-1-2-26(34)31(25)48-29(37)5-7-39-9-11-41-13-15-43-17-19-45-21-23-47-24-22-46-20-18-44-16-14-42-12-10-40-8-6-30(38)49-32-27(35)3-4show more
    Synonyms
    Bis(NHS)PEG9 | Di(N-succinimidyl) 4,7,10,13,16,19,22,25,28-Nonaoxahentriacontanedioate | 4,7,10,13,16,19,22,25,28-Non...
  7. Bis-PEG5-NHS ester
    CAS: 756526-03-1 Formula: C22H32N2O13 Molecular Weight: 532.50
    ● In Stock — US warehouse, ships to EU* Item #: B186438
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    Technical Identifiers
    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
    SMILES
    C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
    InChIKey
    FTYUGLBWKRXQBD-UHFFFAOYSA-N
    InChI
    1S/C22H32N2O13/c25-17-1-2-18(26)23(17)36-21(29)5-7-31-9-11-33-13-15-35-16-14-34-12-10-32-8-6-22(30)37-24-19(27)3-4-20(24)28/h1-16H2
    Synonyms
    Bis-dPEG(R)5-NHS ester | PEG5 BIS-NHS ESTER | AKOS027250858 | GS-6157 | BP-20429 | (2,5-dioxopyrrolidin-1-yl) 3-[2-[2...
  8. Bis-PEG3-NHS Ester
    CAS: 1314378-16-9 Formula: C18H24N2O11 Molecular Weight: 444.39
    ◐ .Made to order · 8–12 wks Item #: B181121
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    Technical Identifiers
    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]propanoate
    SMILES
    C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
    InChIKey
    OPGNUERFYQLUNP-UHFFFAOYSA-N
    InChI
    1S/C18H24N2O11/c21-13-1-2-14(22)19(13)30-17(25)5-7-27-9-11-29-12-10-28-8-6-18(26)31-20-15(23)3-4-16(20)24/h1-12H2
    Synonyms
    Diethylene glycol 1,2-bis(succinimidyl 3-oxypropionate) | Bis(2,5-dioxopyrrolidin-1-yl) 3,3'-((oxybis(ethane-2,1-diyl...
  9. N₃-PEG₃-CH₂CH₂COOtBu
    CAS: 252881-73-5 Formula: C13H25N3O5 Molecular Weight: 303.35
    Liquid ≥97%
    ● In Stock — US warehouse, ships to EU* Item #: N122164
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    IUPAC Name
    tert-butyl 3-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]propanoate
    SMILES
    CC(C)(C)OC(=O)CCOCCOCCOCCN=[N+]=[N-]
    InChIKey
    QUSLQIYNPWASRR-UHFFFAOYSA-N
    InChI
    1S/C13H25N3O5/c1-13(2,3)21-12(17)4-6-18-8-10-20-11-9-19-7-5-15-16-14/h4-11H2,1-3H3
    Synonyms
    3-[2-[2-(2-Azidoethoxy)ethoxy]ethoxy]propanoic acid 1,1-dimethylethyl ester
  10. Fmoc-NH-(PEG)₉-CH₂CH₂COOH
    CAS: 1191064-81-9 Formula: C36H53NO13 Molecular Weight: 707.8
    ◐ .Made to order · 8–12 wks Item #: F122103
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    Technical Identifiers
    IUPAC Name
    3-[2-[2-[2-[2-[2-[2-[2-[2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
    SMILES
    C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O
    InChIKey
    NEESTRVILHNOJT-UHFFFAOYSA-N
    InChI
    1S/C36H53NO13/c38-35(39)9-11-41-13-15-43-17-19-45-21-23-47-25-27-49-28-26-48-24-22-46-20-18-44-16-14-42-12-10-37-36(40)50-29-34-32-7-3-1-5-30(32)31-6-show more
  11. α-Amine-ω-propionic acid octaethylene glycol
    CAS: 756526-04-2 Formula: C19H39NO10 Molecular Weight: 441.52
    ● In Stock — US warehouse, ships to EU* Item #: A122172
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    Technical Identifiers
    IUPAC Name
    3-[2-[2-[2-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
    SMILES
    C(COCCOCCOCCOCCOCCOCCOCCOCCN)C(=O)O
    InChIKey
    YLKOHZCQTVYVDB-UHFFFAOYSA-N
    InChI
    1S/C19H39NO10/c20-2-4-24-6-8-26-10-12-28-14-16-30-18-17-29-15-13-27-11-9-25-7-5-23-3-1-19(21)22/h1-18,20H2,(H,21,22)
    Synonyms
    Amino-PEG8-COOH | 3-[2-[2-[2-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic ac...
  12. α-MaleiMidopropionyl-ω-succiniMidyl-10(ethylene glycol)
    CAS: 1137109-22-8 Formula: C34H55N3O17 Molecular Weight: 777.81
    ◐ .Made to order · 8–12 wks Item #: M122180
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    Technical Identifiers
    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]etshow more
    SMILES
    C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCN2C(=O)C=CC2=O
    InChIKey
    DUKFGPQZJAPKMG-UHFFFAOYSA-N
    InChI
    1S/C34H55N3O17/c38-29(5-8-36-30(39)1-2-31(36)40)35-7-10-45-12-14-47-16-18-49-20-22-51-24-26-53-28-27-52-25-23-50-21-19-48-17-15-46-13-11-44-9-6-34(43)show more
    Synonyms
    2,5-Dioxopyrrolidin-1-yl1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28,31,34-decaoxa-4-azahept...
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Frequently Asked Questions

What should I consider when selecting ADC LINKERS?
When selecting ADC LINKERS, consider the coupling chemistry available on both partners, whether the linker needs to be cleavable, and how length and hydrophilicity will affect solubility of the final conjugate. Test a short series rather than committing to one geometry.
What does ADC LINKERS cover?
ADC LINKERS sits under Diagnostics & Molecular Testing and lists a single structural class, keeping reactive group, linker length, and purity directly comparable.
Which quality data should I check for ADC LINKERS?
Review HPLC purity and MS identity for the ADC LINKERS lot and, where relevant, the polydispersity index, plus residual solvent and water content. For reactive esters and similar handles, the retest date matters as much as the purity figure. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
Can I find ADC LINKERS by reactive group or linker length?
Yes — filter ADC LINKERS by reactive handle, linker length or PEG units, and cleavability, and search by CAS number or SMILES for exact structures. Custom linkers and bulk quantities: [email protected].

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