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(+)-Biotin-PEG4-acid;(+)-Biotin-PEG4-COOH;CAS#721431-18-1

Payment
N/A
Delivery
3 days
Origin
China
Minimum Order
100mg
Packing
100mg,250mg,1g,5g,25g,100g
Inspection
N/A
Samples
Free
Remarks
The sample is free, but not the shipping charge. The estimated shipping fee is USD40~80.
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