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Biotin-PEG2-acid
Catalog No.:M0106969
Spec/Purity:97%
CAS No.: 1365655-89-5
Molecular Weight:403.49
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Biotin-PEG4-amine
Catalog No.:M0106991
Spec/Purity:97%
CAS No.: 663171-32-2
Molecular Weight:462.60