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3,6,9,12,15-Pentaoxaheptadecane-1,17-diyl Bis-azide
CAS: 356046-26-9 PubChem CID: 18759534 Formula: C₁₂H₂₄N₆O₅ Molecular Weight: 332.36

Out of Stock Item #: P340032

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Technical Identifiers

IUPAC Name

1-azido-2-[2-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethane

SMILES

C(COCCOCCOCCOCCOCCN=[N+]=[N-])N=[N+]=[N-]

InChIKey
OQHIMLOZSDFRID-UHFFFAOYSA-N

InChI

1S/C12H24N6O5/c13-17-15-1-3-19-5-7-21-9-11-23-12-10-22-8-6-20-4-2-16-18-14/h1-12H2

Synonyms
SCHEMBL13650682 | 1-azido-2-[2(2-{2-[2-(2-azidoethoxy)ethoxy]ethoxy}ethoxy)ethoxy]ethane | DTXSID50596009 | FT-067359...
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DBCO-PEG4-Biotin
CAS: 1255942-07-4 Formula: C₃₉H₅₁N₅O₈S Molecular Weight: 749.92

Solid

In Stock Item #: D338359

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IUPAC Name

5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-heshow more

SMILES

C1C2C(C(S1)CCCCC(=O)NCCOCCOCCOCCOCCC(=O)NCCC(=O)N3CC4=CC=CC=C4C#CC5=CC=CC=C53)NC(=O)N2

InChIKey
LNHSQAOQVNHUGL-QRBHCBQLSA-N

InChI

1S/C39H51N5O8S/c45-35(12-6-5-11-34-38-32(28-53-34)42-39(48)43-38)41-18-20-50-22-24-52-26-25-51-23-21-49-19-16-36(46)40-17-15-37(47)44-27-31-9-2-1-7-29show more

Synonyms
Dibenzocyclooctyne-PEG4-biotin conjugate, for Copper-free Click Chemistry | DTXSID601099282 | (3aS,4S,6aR)-N-[19-(11,...
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DBCO-PEG4-acid
CAS: 1537170-85-6 Formula: C₃₀H₃₆N₂O₈ Molecular Weight: 552.6

Solid ≥95%

In Stock Item #: D338361

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IUPAC Name

3-[2-[2-[2-[2-[[4-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-4-oxobutanoyl]amino]ethoxy]ethoxy]ethoxy]ethoxy]propanoic ashow more

SMILES

C1C2=CC=CC=C2C#CC3=CC=CC=C3N1C(=O)CCC(=O)NCCOCCOCCOCCOCCC(=O)O

InChIKey
LKSAMQQFMTVPKD-UHFFFAOYSA-N

InChI

1S/C30H36N2O8/c33-28(31-14-16-38-18-20-40-22-21-39-19-17-37-15-13-30(35)36)11-12-29(34)32-23-26-7-2-1-5-24(26)9-10-25-6-3-4-8-27(25)32/h1-8H,11-23H2,(show more

Synonyms
ADIBO-PEG4-acid
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1-Azido-1-deoxy-β-D-lactopyranoside
CAS: 69266-16-6 Formula: C₁₂H₂₁N₃O₁₀ Molecular Weight: 367.31

≥97%

In Stock Item #: A351302

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IUPAC Name

(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6R)-6-azido-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol

SMILES

C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)N=[N+]=[N-])CO)O)O)O)O

InChIKey
FJOYNMRZUBUGGP-DCSYEGIMSA-N

InChI

1S/C12H21N3O10/c13-15-14-11-8(21)7(20)10(4(2-17)23-11)25-12-9(22)6(19)5(18)3(1-16)24-12/h3-12,16-22H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11-,12+/m1/s1

Synonyms
BETA-LACTOSYL AZIDE | 1-Azido-1-deoxy-beta-D-lactose | 4-O-beta-D-Galactopyranosyl-beta-D-glucopyranosyl azide
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4-Carboxybenzenesulfonazide
CAS: 17202-49-2 Formula: C₇H₅N₃O₄S Molecular Weight: 227.2

≥97%

In Stock Item #: C340057

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IUPAC Name

4-azidosulfonylbenzoic acid

SMILES

C1=CC(=CC=C1C(=O)O)S(=O)(=O)N=[N+]=[N-]

InChIKey
OWULJVXJAZBQLL-UHFFFAOYSA-N

InChI

1S/C7H5N3O4S/c8-9-10-15(13,14)6-3-1-5(2-4-6)7(11)12/h1-4H,(H,11,12)

Synonyms
4-(Azidosulfonyl)benzoic acid | Benzoic acid, 4-(azidosulfonyl)- | DTXSID4066175 | 4-Carboxybenzenesulfonyl azide | p...
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Cupric Acetate Anhydrous
CAS: 142-71-2 EC Number: 205-553-3 Formula: C₄H₆CuO₄ Molecular Weight: 181.63

≥98%

In Stock Item #: C106650

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IUPAC Name

copper;diacetate

SMILES

CC(=O)[O-].CC(=O)[O-].[Cu+2]

InChIKey
OPQARKPSCNTWTJ-UHFFFAOYSA-L

InChI

1S/2C2H4O2.Cu/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2

Synonyms
Acetic acid, cupric salt | Acetic acid, copper salt | Crystals of venus | Cu(OAc)2 | diacetoxycopper | EC 205-553-3 |...
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Polyoxyethylene bis(azide)
CAS: 82055-94-5 Formula: N₃CH₂CH₂(OCH₂CH₂)_nN₃

~5000

Out of Stock Item #: P136736

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IUPAC Name

1-azido-2-[2-(2-azidoethoxy)ethoxy]ethane

SMILES

C(COCCOCCN=[N+]=[N-])N=[N+]=[N-]

InChIKey
OHZGAFKSAANFAS-UHFFFAOYSA-N

InChI

1S/C6H12N6O2/c7-11-9-1-3-13-5-6-14-4-2-10-12-8/h1-6H2

Synonyms
HY-W044155 | 1379365-47-5 | AB25380 | 1,8-DIAZIDO-3,6-DIOXAOCTANE | 1,8-diazido-3,6-dioxa-octane | BP-20691 | OHZGAFK...
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Methoxypolyethylene glycol azide
CAS: 89485-61-0 Formula: N₃CH₂CH₂(OCH₂CH₂)nOCH₃

Solid PEG average Mn 5000

In Stock Item #: M122299

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IUPAC Name

1-azido-2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethane

SMILES

COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]

InChIKey
FXVJBKLBTILMNA-UHFFFAOYSA-N

InChI

1S/C25H51N3O12/c1-29-4-5-31-8-9-33-12-13-35-16-17-37-20-21-39-24-25-40-23-22-38-19-18-36-15-14-34-11-10-32-7-6-30-3-2-27-28-26/h2-25H2,1H3

Synonyms
PEG-Azide | α-Methoxy-ω-azido-PEG | mPEG Azide | O-(2-Azidoethyl)-O′-methylpolyethylene glycol
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Methoxypolyethylene glycol azide
CAS: 89485-61-0 Formula: N₃CH₂CH₂(OCH₂CH₂)nOCH₃

PEG average Mn 2000

In Stock Item #: M122209

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IUPAC Name

1-azido-2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethane

SMILES

COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]

InChIKey
FXVJBKLBTILMNA-UHFFFAOYSA-N

InChI

1S/C25H51N3O12/c1-29-4-5-31-8-9-33-12-13-35-16-17-37-20-21-39-24-25-40-23-22-38-19-18-36-15-14-34-11-10-32-7-6-30-3-2-27-28-26/h2-25H2,1H3

Synonyms
PEG-Azide | α-Methoxy-ω-azido-PEG | mPEG Azide | O-(2-Azidoethyl)-O′-methylpolyethylene glycol
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6-Azido-6-deoxy-D-galactopyranose
CAS: 66927-03-5 EC Number: 633-373-9 Formula: C₆H₁₁N₃O₅ Molecular Weight: 205.17

Solid ≥95%

In Stock Item #: A304335

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IUPAC Name

(2R,3S,4S,5R)-6-azido-2,3,4,5-tetrahydroxyhexanal

SMILES

C(C(C(C(C(C=O)O)O)O)O)N=[N+]=[N-]

InChIKey
HEYJIJWKSGKYTQ-DPYQTVNSSA-N

InChI

1S/C6H11N3O5/c7-9-8-1-3(11)5(13)6(14)4(12)2-10/h2-6,11-14H,1H2/t3-,4+,5+,6-/m1/s1

Synonyms
6-Azido-6-deoxy-D-galactose | CCRIS 3913 | AZD-D-galactose | DTXSID801031769 | 6-azido-6-deoxygalactose | HEYJIJWKSGK...
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BTTAA
CAS: 1334179-85-9 EC Number: 111-864-4 Formula: C₁₉H₃₀N₁₀O₂ Molecular Weight: 430.51

Solid ≥99%

In Stock Item #: B302414

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IUPAC Name

2-[4-[[bis[(1-tert-butyltriazol-4-yl)methyl]amino]methyl]triazol-1-yl]acetic acid

SMILES

CC(C)(C)N1C=C(N=N1)CN(CC2=CN(N=N2)CC(=O)O)CC3=CN(N=N3)C(C)(C)C

InChIKey
MGQYHUDOWOGSQI-UHFFFAOYSA-N

InChI

1S/C19H30N10O2/c1-18(2,3)28-11-15(21-24-28)8-26(7-14-10-27(23-20-14)13-17(30)31)9-16-12-29(25-22-16)19(4,5)6/h10-12H,7-9,13H2,1-6H3,(H,30,31)

Synonyms
Water-soluble CuAAC ligand | 2-(4-((Bis((1-(tert-butyl)-1H-1,2,3-triazol-4-yl)methyl)amino)methyl)-1H-1,2,3-triazol-1...
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Fmoc-(R)-propargyl-Ala-OH
CAS: 1198791-65-9 Formula: C₂₁H₁₉NO₄ Molecular Weight: 349.38

≥97%

Out of Stock Item #: F166393

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IUPAC Name

(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-2-methylpent-4-ynoic acid

SMILES

CC(CC#C)(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

InChIKey
ZXOKSWZUJXKQCQ-OAQYLSRUSA-N

InChI

1S/C21H19NO4/c1-3-12-21(2,19(23)24)22-20(25)26-13-18-16-10-6-4-8-14(16)15-9-5-7-11-17(15)18/h1,4-11,18H,12-13H2,2H3,(H,22,25)(H,23,24)/t21-/m1/s1

Synonyms
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylpent-4-ynoicacid | DTXSID901136992 | F12078 | (R)-N-Fmoc-2-...

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Frequently Asked Questions

How do I choose between Click Chemistry Reagents variants?

Match reagent to substrate compatibility, required selectivity, scalability, and downstream purification needs. Different click chemistry reagents have distinct reactivity profiles — review reaction conditions and reported yields for each variant.

What specifications matter for Click Chemistry Reagents?

Purity, titer (for solution reagents), water content for moisture-sensitive reagents, stabilizer presence, and pack size. Always check certificate of analysis for batch-specific quality data.

How should Click Chemistry Reagents be stored and handled?

Many synthesis reagents are moisture- or air-sensitive. Store in sealed containers under inert atmosphere when specified. Solution reagents may degrade after multiple openings — aliquot for long-term storage.

Are research and process scales both available?

Yes. Click Chemistry Reagents are available in gram-scale research quantities through kilogram-scale process supplies. Bulk packaging and custom synthesis options are available on request.

Click chemistry reagents support modular conjugation and labeling workflows that benefit from fast, selective reactions under practical conditions. Selection often depends on click pair, catalyst requirements, biomolecule compatibility, solvent system, reaction speed, and the detection or conjugation objective of the experiment. This page is helpful when researchers need reliable ligation chemistry for probe construction, labeling, enrichment, or biomolecule modification. It complements crosslinkers, fluorescent probes, PEG linkers, and broader chemical-biology tool categories.