
FAQ
Are products for human use?
No. All products and services are for scientific research use only and are not intended for direct human use.
What information is needed for a quotation?
Sequence, desired quantity, purity, modifications, salt form and the intended research application if relevant.
What purity levels are available?
Typical research grades range from crude to ≥98% by HPLC, depending on sequence difficulty and project needs.
Can you synthesize long or modified peptides?
Yes. We support long peptides up to 150 amino acids and more than 400 modification technologies.
Which websites are official?
www.chinapeptides.com, www.qyaobio.com and www.chinapeptides.co.