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Chemical Synthesis
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Active Esters/Additives


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Description
Molecular Formula
Product #
Acrylic acid N-hydroxysuccinimide ester ≥90% C7H7NO4 A8060
Bis(4-nitrophenyl) carbonate ≥99% C13H8N2O7 161691
Bis(4-nitrophenyl) carbonate purum, ≥97.0% (CHN) C13H8N2O7 15118
Bis(pentafluorophenyl) carbonate purum, ≥98.0% (GC) C13F10O3 76957
Bis(pentafluorophenyl) carbonate 97% C13F10O3 539899
2-Bromo-1-ethyl-pyridinium tetrafluoroborate purum, ≥97.0% (T) C7H9BBrF4N 77386
6-Chloro-1-hydroxybenzotriazole dihydrate purum, ≥98.0% (HPLC) C6H4ClN3O · 2H2O 39785
N,O-Dimethylhydroxylamine hydrochloride purum, ≥98.0% (AT) C2H7NO · HCl 40706
N,O-Dimethylhydroxylamine hydrochloride 98% C2H7NO · HCl D163708
N,N′-Disuccinimidyl carbonate purum, ≥95.0% (NMR) C9H8N2O7 43720
N,N′-Disuccinimidyl carbonate ≥95% C9H8N2O7 225827
Di(N-succinimidyl) oxalate purum, ≥97.0% (T) C10H8N2O8 75755
N,N'-Disuccinimidyl oxalate 85% C10H8N2O8 305308
Ethylene glycol-bis(succinic acid N-hydroxysuccinimide ester) purum, ≥99.0% (CHN) C18H20N2O12 73912
1-Hydroxy-7-azabenzotriazole solution 0.5-0.7 M in DMF C5H4N4O 559156
1-Hydroxy-7-azabenzotriazole solution ~0.6 M in DMF C5H4N4O 41996
1-Hydroxybenzotriazole hydrate puriss., ≥99.0% (HPLC) C6H5N3O · xH2O 54804
1-Hydroxybenzotriazole hydrate purum, ≥97.0% (T) C6H5N3O · xH2O 54802
1-Hydroxybenzotriazole hydrate wetted with not less than 14 wt. % water C6H5N3O · xH2O 157260
N-Hydroxymaleimide purum, ≥97.0% (HPLC) C4H3NO3 55510
N-Hydroxymaleimide 97% C4H3NO3 226351
N-Hydroxy-5-norbornene-2,3-dicarboxylic acid imide 97% C9H9NO3 226378
3-(4-Hydroxyphenyl)propionic acid N-hydroxysuccinimide ester 97% C13H13NO5 860158
3-(4-Hydroxyphenyl)propionic acid N-hydroxysuccinimide ester ~90% C13H13NO5 H1256
N-Hydroxyphthalimide purum, ≥98.0% (T) C8H5NO3 56191
N-Hydroxyphthalimide 97% C8H5NO3 H53704
N-Hydroxysuccinimide purum, ≥97.0% (T) C4H5NO3 56480
N-Hydroxysuccinimide 98% C4H5NO3 130672
N-Hydroxysuccinimidyl acetoacetate 98% C8H9NO5 324795
N-Hydroxysulfosuccinimide sodium salt puriss., ≥98.5% (HPLC) C4H4NNaO6S 56485
Iodoacetic acid N-hydroxysuccinimide ester powder C6H6INO4 I9760
2-Mercaptopyridine purum, ≥95.0% (T) C5H5NS 63840
4-Nitrobenzyl chloroformate 97% C8H6ClNO4 222801
4-Nitrophenyl chloroformate 96% C7H4ClNO4 160210
4-Nitrophenyl chloroformate purum, ≥97.0% (AT) C7H4ClNO4 23240
4-Nitrophenyl trifluoroacetate purum, ≥98.0% (GC) C8H4F3NO4 91735
4-Nitrophenyl trifluoroacetate 99% C8H4F3NO4 N22657
Pentafluorophenol ≥99% C6HF5O 103799
2,3,4,5,6-Pentafluorophenol purum, ≥99.0% (GC) C6HF5O 76740
Pentafluorophenyl trifluoroacetate 98% C8F8O2 377074
Phenoxyacetic acid N-hydroxysuccinimide ester practical grade C12H11NO5 P2886
N-Succinimidyl N-methylcarbamate purum, ≥97.0% (N) C6H8N2O4 66181
2-Thiazoline-2-thiol technical, ≥97.0% (T) C3H5NS2 63860

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