Track Your Order
Enter your order number and email address to check your order status.
Where can I find my order number?
Your order number can be found in your order confirmation email.
Enter your order number and email address to check your order status.
Your order number can be found in your order confirmation email.
To ensure efficient logistics, we process orders through our internal system first.
UPS Overnight: IDs are synchronized 24 hours after shipment.
USPS Priority: IDs are synchronized 48 hours after shipment. Your order is already in transit during this sync period.
UPS Overnight manifests are often updated late in the evening when the package reaches the main sorting hub. If you don’t see movement within 24 hours of receiving your ID, don’t worry—it is a common carrier delay in scanning.
Yes. Once the carrier ID (UPS or USPS) is visible in your Order View, you can copy that number and paste it directly into the UPS Tracking or USPS Tracking portal for real-time updates.
MAINLINE is your trusted source for research peptides, offering high purity compounds for laboratory and scientific research with fast and reliable delivery.