Dear XIUSHI BIOPHARMA team,

I am a researcher and interested in buying Retatrutide Lyophilized API Powder (CAS *****-83-2) strictly for research use only.

Please send me:
1. Latest batch-specific COA (HPLC + MS, purity report)
2. Current best prices for:
 - 1 g
 - 5 g
 - 10 g
 - and for 50 g / 100 g (bulk discount)
3. Minimum Order Quantity (MOQ)
4. Lead time (how many days to produce and ship)
5. Shipping cost and options to Russia (DHL, FedEx, UPS) + estimated delivery time
6. Packaging details (vacuum sealed, lyophilized, etc.)
7. Accepted payment methods (T/T, PayPal, USDT, etc.)
8. Do you offer small sample for testing?

Thank you very much! Looking forward to your quotation ASAP.

Best regards,
Konstantin