(+)-Biotin-PEGn-CH2CH2N3
            | Item No. | Product Name | CAS No | Structure | Inquiry | 
| 245602 | (+)-Biotin-PEG2-CH2CH2N3 | 945633-30-7 |   
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| 245603 | (+)-Biotin-PEG3-CH2CH2N3 | 875770-34-6 |   
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| 245604 | (+)-Biotin-PEG4-CH2CH2N3 | 1309649-57-7 |   
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| 245605 | (+)-Biotin-PEG5-CH2CH2N3 | 1163732-89-5 |   
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| 245623 | (+)-Biotin-PEG23-CH2CH2N3 | 956494-20-5 |   
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