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  • Bis-PEG21-NHS ester

    CAS: 2221948-98-5

    Synonyms:Bis-dPEG21-NHS ester;Di-NHS Ester-PEG21;4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64-Heneicosaoxaheptahexacontanedioic acid, 1,67-bis(2,5-dioxo-1-pyrrolidinyl) ester

    Molecular weight:1237.34

    Formula:C54H96N2O29

  • Bis-peg25-nhs ester

    CAS: 2221948-96-3

    Synonyms:Bis-dPEG25-NHS ester;Di-NHS Ester-PEG25;4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76-Pentacosaoxanonaheptacontanedioic acid, 1,79-bis(2,5-dioxo-1-pyrrolidinyl) ester

    Molecular weight:1413.55

    Formula:C62H112N2O33

  • tert-butyl (3aR,5s,6aS)-5-(hydroxymethyl)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate

    CAS: 2220998-56-9

    Synonyms:tert-butyl (3aR,5s,6aS)-5-(hydroxymethyl)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate;rel-tert-Butyl (3aR,6aS)-5-(hydroxymethyl)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate;tert-butyl rel-(3aS,5s,6aR)-5-(hydroxymethyl)-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-2-carboxylate;Cyclopenta[c]pyrrole-2(1H)-carboxylic acid, hexahydro-5-(hydroxymethyl)-, 1,1-dimethylethyl ester, (3aR,6aS)-rel-;tert-Butyl (3aR,5s,6aS)-rel-5-(Hydroxymethyl)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate

    Molecular weight:241.33

    Formula:C13H23NO3

  • MPEG11-CH2CH2COONHS

    CAS: 2207596-93-6

    Synonyms:MPEG11-CH2CH2COONHS;4,7,10,13,16,19,22,25,28,31,34,37-Dodecaoxaoctatriacontanoic acid, 2,5-dioxo-1-pyrrolidinyl ester;mPEG11-CH2CH2COONHS/4,7,10,13,16,19,22,25,28,31,34,37-Dodecaoxaoctatriacontanoic acid, 2,5-dioxo-1-pyrrolidinyl ester

    Molecular weight:685.75

    Formula:C30H55NO16

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