Linkers & Crosslinkers

Sort by

Diethylene glycol mono(2-propyn-1-yl) ether

Purity:

≥ 97% (GC)

Synonym:

2-[2-(2-Propyn-1-yloxy)ethoxy]ethanol

Catalog Number:

39683

Purity Limit:

≥ 97% (GC)

CAS Number:

7218-43-1

MDL NO:

MFCD00053353

Molecular Formula:

C₇H₁₂O₃

Molecular Weight:

144.17

Specification Sheet SDS
4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]benzylamine hydrochloride

Purity:

≥ 98% (HPLC)

Synonym:

3-[4-(Aminomethyl)phenyl]-3-(trifluoromethyl)-3H-diazirinehydrochloride

Catalog Number:

39679

Purity Limit:

≥ 98% (HPLC)

CAS Number:

1258874-29-1

MDL NO:

MFCD29765752

Molecular Formula:

C₉H₈F₃N₃·HCl

Molecular Weight:

251.64

Specification Sheet SDS
NHS-PEG₄-SPDP

Purity:

≥ 95% (LC)

Synonym:

3-(2-Pyridyldithio)propionamido-PEG4-NHS ester

Catalog Number:

39682

Purity Limit:

≥ 95% (LC)

CAS Number:

1334177-95-5

MDL NO:

MFCD13185001

Molecular Formula:

C₂₃H₃₃N₃O₉S₂

Molecular Weight:

559.65

Specification Sheet SDS
3-(2-Pyridyldithio)propionic acid

Purity:

≥ 95% (HPLC)

Synonym:

PDTP

Catalog Number:

39666

Purity Limit:

≥ 95% (HPLC)

CAS Number:

68617-64-1

MDL NO:

MFCD18252554

Molecular Formula:

C₈H₉NO₂S₂

Molecular Weight:

215.29

Specification Sheet SDS
2-(2-Propynyloxy)ethylamine

Hazmat

Purity:

≥ 96% (GC)

Hazmat

Catalog Number:

39681

Purity Limit:

≥ 96% (GC)

CAS Number:

122116-12-5

MDL NO:

MFCD16713446

Molecular Formula:

C₅H₉NO

Molecular Weight:

99.13

Specification Sheet SDS
N-(1R,8S,9S)-Bicyclo[6.1.0]non-4-yn-9-ylmethyloxycarbonyl-1,8-diamino-3,6-dioxaoctane

Purity:

≥ 95% (NMR)

Synonym:

BCN-POE3-NH2

Catalog Number:

39675

Purity Limit:

≥ 95% (NMR)

CAS Number:

1263166-93-3

MDL NO:

MFCD19705418

Molecular Formula:

C₁₇H₂₈N₂O₄

Molecular Weight:

324.42

Specification Sheet SDS
N-(tert-Butoxycarbonyl)propargylamine

Purity:

≥ 98% (GC)

Synonym:

N-Boc-propargylamine

Catalog Number:

39678

Purity Limit:

≥ 98% (GC)

CAS Number:

92136-39-5

MDL NO:

MFCD07367245

Molecular Formula:

C₈H₁₃NO₂

Molecular Weight:

155.2

Specification Sheet SDS
5-Hexynoic acid

Purity:

≥ 96.5% (GC)

Catalog Number:

39672

Purity Limit:

≥ 96.5% (GC)

CAS Number:

53293-00-8

MDL NO:

MFCD00066346

Molecular Formula:

C₆H₈O₂

Molecular Weight:

112.13

Specification Sheet SDS
2-Maleimidoacetic acid

Purity:

≥ 98% (HPLC)

Synonym:

2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetic acid

Catalog Number:

39668

Purity Limit:

≥ 98% (HPLC)

CAS Number:

25021-08-3

MDL NO:

MFCD00457254

Molecular Formula:

C₆H₅NO₄

Molecular Weight:

155.11

Specification Sheet SDS
10-Undecynoic acid

Purity:

≥ 99% (Assay by titration, GC)

Catalog Number:

39671

Purity Limit:

≥ 99% (Assay by titration, GC)

CAS Number:

2777-65-3

MDL NO:

MFCD00014389

Molecular Formula:

C₁₁H₁₈O₂

Molecular Weight:

182.26

Specification Sheet SDS
2-[2-(2-Propynyloxy)ethoxy]ethylamine

Hazmat

Purity:

≥ 99% (GC)

Synonym:

2-[2-(Propargyloxy)ethoxy]ethylamine

Hazmat

Catalog Number:

39664

Purity Limit:

≥ 99% (GC)

CAS Number:

944561-44-8

MDL NO:

MFCD19160595

Molecular Formula:

C₇H₁₃NO₂

Molecular Weight:

143.19

Specification Sheet SDS
N-Succinimidyl methacrylate

Purity:

≥ 98% (HPLC)

Synonym:

Methacrylic acid N-succinimidyl ester

Catalog Number:

39674

Purity Limit:

≥ 98% (HPLC)

CAS Number:

38862-25-8

MDL NO:

MFCD15072193

Molecular Formula:

C₈H₉NO₄

Molecular Weight:

183.16

Specification Sheet SDS
N-Succinimidyl 11-maleimidoundecanoate

Purity:

≥ 98% (HPLC)

Synonym:

11-Maleimidoundecanoic acid N-succinimidyl ester

Catalog Number:

39667

Purity Limit:

≥ 98% (HPLC)

CAS Number:

87981-04-2

MDL NO:

MFCD00467873

Molecular Formula:

C₁₉H₂₆N₂O₆

Molecular Weight:

378.43

Specification Sheet SDS
Lipoamido-PEG₁₂-carboxylic acid

Purity:

≥ 97% (HPLC)

Synonym:

45-(1,2-Dithiolan-3-yl)-41-oxo-4,7,10,13,16,19,22,25,28,31,34,37-dodecaoxa-40-azapentatetracontan-1-oicacid

Catalog Number:

39670

Purity Limit:

≥ 97% (HPLC)

Molecular Formula:

C₃₅H₆₇NO₁₅S₂

Molecular Weight:

806.03

Specification Sheet SDS
Succinimidyl 4-azidobutyrate

Purity:

≥ 95% (NMR)

Synonym:

Succinimidyl 4-azidobutanoate

Catalog Number:

39655

Purity Limit:

≥ 95% (NMR)

CAS Number:

943858-70-6

MDL NO:

MFCD22573606

Molecular Formula:

C₈H₁₀N₄O₄

Molecular Weight:

226.19

Specification Sheet SDS
N-Succinimidyl 4-(azidosulfonyl)benzoate

Purity:

≥ 95%

Synonym:

4-(Azidosulfonyl)benzoic acid N-succinimidyl ester

Catalog Number:

39663

Purity Limit:

≥ 95%

CAS Number:

1427502-22-4

MDL NO:

MFCD23726627

Molecular Formula:

C₁₁H₈N₄O₆S

Molecular Weight:

324.27

Specification Sheet SDS
19-Maleimido-17-oxo-4,7,10,13-tetraoxa-16-azanonadecanoic acid

Purity:

≥ 95% (HPLC)

Synonym:

1-Maleimido-3-oxo-7,10,13,16-tetraoxa-4-azanonadecan-19-oic acid

Catalog Number:

39665

Purity Limit:

≥ 95% (HPLC)

CAS Number:

1263045-16-4

MDL NO:

MFCD13184954

Molecular Formula:

C₁₈H₂₈N₂O₉

Molecular Weight:

416.43

Specification Sheet SDS
Sulfo-EMCS

Purity:

≥ 95% (HPLC)

Synonym:

6-Maleimidocaproic acid sulfo-N-succinimidyl ester sodiumsalt

Catalog Number:

39661

Purity Limit:

≥ 95% (HPLC)

CAS Number:

215312-86-0

MDL NO:

MFCD01310272

Molecular Formula:

C₁₄H₁₅N₂NaO₉S

Molecular Weight:

410.33

Specification Sheet SDS
Mal-PEG₂-acid

Purity:

≥ 98% (HPLC)

Synonym:

3-[2-[2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy]propanoicacid

Catalog Number:

39656

Purity Limit:

≥ 98% (HPLC)

CAS Number:

1374666-32-6

MDL NO:

MFCD23726620

Molecular Formula:

C₁₁H₁₅NO₆

Molecular Weight:

257.24

Specification Sheet SDS
Azido-PEG₁₁-amine

Purity:

≥ 93% (HPLC)

Synonym:

Amino-PEG11-azide

Catalog Number:

39660

Purity Limit:

≥ 93% (HPLC)

CAS Number:

1800414-71-4

MDL NO:

MFCD08274605

Molecular Formula:

C₂₄H₅₀N₄O₁₁

Molecular Weight:

570.68

Specification Sheet SDS
4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]benzyl bromide

Hazmat

Purity:

≥ 95% (HPLC)

Synonym:

3-[4-(Bromomethyl)phenyl]-3-(trifluoromethyl)-3H-diazirine

Hazmat

Catalog Number:

39658

Purity Limit:

≥ 95% (HPLC)

CAS Number:

92367-11-8

MDL NO:

MFCD19442581

Molecular Formula:

C₉H₆BrF₃N₂

Molecular Weight:

279.06

Specification Sheet SDS
Maleimide-PEG₂-NHS ester

Purity:

≥ 95% (HPLC)

Synonym:

Maleimide-PEG2-succinimidyl ester

Catalog Number:

39657

Purity Limit:

≥ 95% (HPLC)

CAS Number:

955094-26-5

MDL NO:

MFCD11041137

Molecular Formula:

C₁₈H₂₃N₃O₉

Molecular Weight:

425.39

Specification Sheet SDS
(Fmoc-amino)-PEG₁₂-C2-carboxylic acid

Purity:

≥ 98% (HPLC)

Synonym:

1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28,31,34,37,40-tridecaoxa-4-azatritetracontan-43-oicacid

Catalog Number:

39659

Purity Limit:

≥ 98% (HPLC)

CAS Number:

1952360-91-6

MDL NO:

MFCD08064302

Molecular Formula:

C₄₂H₆₅NO₁₆

Molecular Weight:

839.97

Specification Sheet SDS
Maleimide-PEG₂-NHS ester

Purity:

≥ 98% (HPLC)

Synonym:

Maleimide-PEG2-succinimidyl ester

Catalog Number:

39669

Purity Limit:

≥ 98% (HPLC)

CAS Number:

955094-26-5

MDL NO:

MFCD11041137

Molecular Formula:

C₁₈H₂₃N₃O₉

Molecular Weight:

425.39

Specification Sheet SDS
8-Azido-3,6-dioxaoctanoic acid cyclohexylamine salt

Purity:

≥ 98% (HPLC)

Synonym:

Azido-PEG2-acetic acid CHA salt

Catalog Number:

39662

Purity Limit:

≥ 98% (HPLC)

CAS Number:

2098500-94-6

MDL NO:

MFCD18382061

Molecular Formula:

C₆H₁₁N₃O₄·C₆H₁₃N

Molecular Weight:

288.35

Specification Sheet SDS
N-(2-Hydroxyethyl)maleimide

Purity:

≥ 98% (HPLC)

Synonym:

1-(2-Hydroxyethyl)-pyrrole-2,5-dione

Catalog Number:

39654

Purity Limit:

≥ 98% (HPLC)

CAS Number:

1585-90-6

MDL NO:

MFCD00465266

Molecular Formula:

C₆H₇NO₃

Molecular Weight:

141.13

Specification Sheet SDS
Genipin

Hazmat

Purity:

≥ 97% (GC)

Synonym:

Methyl(1S,2R,6S)-2-hydroxy-9-(hydroxymethyl)-3-oxabicyclo[4.3.0]nona-4,8-diene-5-carboxylate

Hazmat

Catalog Number:

39187

Purity Limit:

≥ 97% (GC)

CAS Number:

6902-77-8

MDL NO:

MFCD00888600

Molecular Formula:

C₁₁H₁₄O₅

Molecular Weight:

226.23

Specification Sheet SDS
Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt

Purity:

≥ 90% (Assay)

Synonym:

Sulfo-GMBS sodium salt

Catalog Number:

38498

Purity Limit:

≥ 90% (Assay)

CAS Number:

185332-92-7

MDL NO:

MFCD17215919

Molecular Formula:

C₁₂H₁₁N₂NaO₉S

Molecular Weight:

382.28

Specification Sheet SDS
4-Azido-2,3,5,6-tetrafluorobenzoic acid

Purity:

≥ 99% (HPLC, TLC)

Synonym:

ATFB

Catalog Number:

37071

Purity Limit:

≥ 99% (HPLC, TLC)

CAS Number:

122590-77-6

MDL NO:

MFCD00467436

Molecular Formula:

C₇HF₄N₃O₂

Molecular Weight:

235.1

Specification Sheet SDS
N₃-PEG(₅)-NH₂

Purity:

≥ 98% (Assay by titration)

Synonym:

14-Azido-3,6,9,12-tetraoxatetradecan-1-amine

Catalog Number:

37064

Purity Limit:

≥ 98% (Assay by titration)

CAS Number:

951671-92-4

MDL NO:

MFCD20134134

Molecular Formula:

C₁₀H₂₂N₄O₄

Molecular Weight:

262.3

Specification Sheet SDS
N-Propargylmaleimide

Purity:

≥ 97% (HPLC)

Catalog Number:

35122

Purity Limit:

≥ 97% (HPLC)

CAS Number:

209395-32-4

MDL NO:

MFCD12090919

Molecular Formula:

C₇H₅NO₂

Molecular Weight:

130.12

Specification Sheet SDS
Azidoacetic acid

Purity:

≥ 95% (NMR)

Catalog Number:

35113

Purity Limit:

≥ 95% (NMR)

CAS Number:

18523-48-3

MDL NO:

MFCD01320907

Molecular Formula:

C₂H₃N₃O₂

Molecular Weight:

101.06

Specification Sheet SDS
Alkyne-PEG₄-NHS ester

Purity:

≥ 97% (HPLC)

Catalog Number:

35117

Purity Limit:

≥ 97% (HPLC)

CAS Number:

1393330-40-9

Molecular Formula:

C₁₈H₂₇NO₉

Molecular Weight:

401.41

Specification Sheet SDS
Azido-PEG₄-NHS ester

Purity:

≥ 95% (HPLC)

Catalog Number:

35108

Purity Limit:

≥ 95% (HPLC)

CAS Number:

944251-24-5

Molecular Formula:

C₁₅H₂₄N₄O₈

Molecular Weight:

388.37

Specification Sheet SDS
Fmoc-4-azido-D-phenylalanine

Purity:

≥ 99% (HPLC)

Synonym:

Fmoc-D-Phe(4-N3)-OH

Catalog Number:

33565

Purity Limit:

≥ 99% (HPLC)

CAS Number:

1391586-30-3

MDL NO:

MFCD00053719

Molecular Formula:

C₂₄H₂₀N₄O₄

Molecular Weight:

428.5

Specification Sheet SDS
4-Azido-D-phenylalanine hydrochloride

Purity:

≥ 99.9% (Chiral HPLC)

Synonym:

D-Phe(4-azido)-OH·HCl

Catalog Number:

33559

Purity Limit:

≥ 99.9% (Chiral HPLC)

CAS Number:

1241681-80-0

MDL NO:

MFCD31696543

Molecular Formula:

C₉H₁₀N₄O₂·HCl

Molecular Weight:

242.7

Specification Sheet SDS
14-Azido-3,6,9,12-tetraoxatetradecan-1-ol

Purity:

≥ 98% (HPLC)

Synonym:

N3-EEEEE

Catalog Number:

33501

Purity Limit:

≥ 98% (HPLC)

CAS Number:

86770-68-5

MDL NO:

MFCD20134131

Molecular Formula:

C₁₀H₂₁N₃O₅

Molecular Weight:

263.3

Specification Sheet SDS
11-Azido-3,6,9-trioxaundecanoic acid cyclohexylamine

Purity:

99 - 101% (Assay by titration)

Synonym:

Azido-PEG3-carboxylate

Catalog Number:

33481

Purity Limit:

99 - 101% (Assay by titration)

CAS Number:

172531-37-2

MDL NO:

MFCD32067810

Molecular Formula:

C₈H₁₅N₃O₅·C₆H₁₃N

Molecular Weight:

332.4

Specification Sheet SDS
N₃-PEG(₄)-NH₂

Purity:

≥ 97% (Assay by titration)

Synonym:

Amino-PEG3-azide

Catalog Number:

33470

Purity Limit:

≥ 97% (Assay by titration)

CAS Number:

134179-38-7

MDL NO:

MFCD20134134

Molecular Formula:

C₈H₁₈N₄O₃

Molecular Weight:

218.3

Specification Sheet SDS
N-Boc-ethylenediamine

Hazmat

Purity:

≥ 98% (GC)

Synonym:

N-Boc-1,2-diaminoethane

Hazmat

Catalog Number:

31307

Purity Limit:

≥ 98% (GC)

CAS Number:

57260-73-8

MDL NO:

MFCD00191871

Molecular Formula:

C₇H₁₆N₂O₂

Molecular Weight:

160.21

Specification Sheet SDS
N-Boc-2-(2-aminoethoxy)ethylamine

Purity:

≥ 98% (GC)

Synonym:

tert-Butyl (2-(2-aminoethoxy)ethyl)carbamate

Catalog Number:

30729

Purity Limit:

≥ 98% (GC)

CAS Number:

127828-22-2

MDL NO:

MFCD12031501

Molecular Formula:

C₉H₂₀N₂O₃

Molecular Weight:

204.27

Specification Sheet SDS
1-Azido-3,6,9-trioxaundecane-11-ol

Purity:

≥ 98% (HPLC)

Catalog Number:

30727

Purity Limit:

≥ 98% (HPLC)

CAS Number:

86770-67-4

MDL NO:

MFCD03701128

Molecular Formula:

C₈H₁₇N₃O₄

Molecular Weight:

219.24

Specification Sheet SDS
Bis-N-succinimidyl diglycolic acid

Purity:

≥ 98% (Assay by titration)

Synonym:

2,2'-Oxydiacetic acid bis-N-succinimidyl ester

Catalog Number:

30501

Purity Limit:

≥ 98% (Assay by titration)

CAS Number:

373614-12-1

MDL NO:

MFCD13184975

Molecular Formula:

C₁₂H₁₂N₂O₉

Molecular Weight:

328.2

Specification Sheet SDS
8-Amino-3,6-dioxaoctanoic acid

Purity:

≥ 99% (HPLC)

Synonym:

[2-(2-Aminoethoxy)ethoxy]acetic acid

Catalog Number:

30454

Purity Limit:

≥ 99% (HPLC)

CAS Number:

134978-97-5

MDL NO:

MFCD13185897

Molecular Formula:

C₆H₁₃NO₄

Molecular Weight:

163.2

Specification Sheet SDS
DL-a-Lipoic acid

Grade:

Meets USP specification

Purity:

99 - 101% (Assay)

Synonym:

(+/-)-1,2-Dithiolane-3-pentanoic acid

Catalog Number:

29862

Grade:

Meets USP specification

Purity Limit:

99 - 101% (Assay)

CAS Number:

1077-28-7

MDL NO:

MFCD00005474

Molecular Formula:

C₈H₁₄O₂S₂

Molecular Weight:

206.33

Specification Sheet SDS
15-Azido-4,7,10,13-tetraoxapentadecanoic acid

Purity:

≥ 97% (NMR)

Synonym:

N3-(PEG)4-COOH

Catalog Number:

29577

Purity Limit:

≥ 97% (NMR)

CAS Number:

1257063-35-6

MDL NO:

MFCD12406155

Molecular Formula:

C₁₁H₂₁N₃O₆

Molecular Weight:

291.3

Specification Sheet SDS
4-Pentynoic acid

Hazmat

Purity:

≥97%

Synonym:

Propargylacetic acid

Hazmat

Catalog Number:

29558

Purity Limit:

≥97%

CAS Number:

6089-09-4

MDL NO:

MFCD00004407

Molecular Formula:

C₅H₆O₂

Molecular Weight:

98.1

SDS
5-Azidopentanoic acid

Purity:

≥ 98%

Synonym:

5-Azidovalerianic acid

Catalog Number:

29347

Purity Limit:

≥ 98%

CAS Number:

79583-98-5

MDL NO:

MFCD11850108

Molecular Formula:

C₅H₉N₃O₂

Molecular Weight:

143.15

Specification Sheet SDS
3-Butynoic acid

Hazmat

Purity:

≥ 98% (Assay)

Synonym:

But-3-ynoic acid

Hazmat

Catalog Number:

28620

Purity Limit:

≥ 98% (Assay)

CAS Number:

2345-51-9

MDL NO:

MFCD02258494

Molecular Formula:

C₄H₄O₂

Molecular Weight:

84.07

Specification Sheet SDS
4-Pentynoic acid

Hazmat

Purity:

≥ 98% (GC)

Synonym:

Propargylacetic acid

Hazmat

Catalog Number:

26911

Purity Limit:

≥ 98% (GC)

CAS Number:

6089-09-4

MDL NO:

MFCD00004407

Molecular Formula:

C₅H₆O₂

Molecular Weight:

98.1

Specification Sheet SDS

FiltersFilter & Sort

Your cart

Products

About Us

Support

Choose options