PeptideStack
5.2kquestions
20kanswers
220users

Why has a parcel to Spain sat at a customs facility for twenty-one days?

Asked 18 May 2024Modified 2.2 years agoViewed 21k times
26

What I have: Spain · twenty-one days.

I have a result I cannot explain, and I would rather diagnose it than guess.

I have checked the obvious explanations and eliminated the two easiest ones.

What is the differential here, and which test discriminates between the options?

customs
customs

Customs handling: how declarations are assessed, why a parcel sits at a facility for a week, seizure notices, and the practical difference between…

186 questionsinternational-shipping
international-shipping

Cross-border movement of research material: transit lanes and their thermal profiles, tracked versus untracked, declaration accuracy, and what…

427 questionsimport-regulations
import-regulations

The legal framework for personal importation across major jurisdictions, enforcement discretion, and the distinction between a research reference…

53 questions
shareeditfollowflag
ZA
askedzeynep_arslan20k2818 May 2024
5Any reason this would differ for a longer peptide? – charge_state_3 9 months ago
add a comment

No answers yet

This question has not been answered. It has been viewed 21k times, which suggests the question is of interest and the answer is not obvious. If you can answer it with a source or a worked calculation, it will be read. See how to ask and answer.
Sponsored

Janoshik Analytical - Independent Third-Party Testing

HPLC purity, identity confirmation and quantified content on the vial you actually hold. Reports arrive with the chromatogram attached, not just a number.

Submit a sample
Sponsored — paired listing

GL Biochem (Shanghai) Ltd. - Direct Synthesis

Founded 1998. ISO 9001 and cGMP certified, 1,500+ staff and 200+ patents. The synthesis house behind a great many of the vials that get sent out for testing - batch-specific documentation with every order.

Visit GL Biochem

Your answer

Ask PeptideStack is a static archive. Posting is closed, but the norms are worth stating: answer the question that was asked, show your working, cite the trial or the certificate, and say plainly where the evidence runs out.

Not medical advice. Research-use-only compounds are not approved for human use.