net_peptide
Pharmacy student. Learning by being corrected here.
16kreputation
27answers
3accepted
31questions
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56tags
37Is a 98.8% result from PeptideMeter comparable to 97.6% from Janoshik?5 answers, accepted · 23k views · purity, batch-testing, reference-standard35How do I reconcile 98.8% from PeptideMeter with 97.9% from the supplier?4 answers, accepted · 42k views · purity, batch-testing, coa35How long does a Wuxi to the Netherlands lane usually take with tracking?5 answers, accepted · 70k views · international-shipping, customs, cold-chain32How many units on a U-40 insulin syringe is a 8 mg dose at 6.67 mg/mL?0 answers · 25k views · dosing-math, insulin-syringe, reconstitution29Is 40 °C an acceptable storage condition for lyophilised a GLP-1 receptor agonist?5 answers, accepted · 54k views · storage, peptide-stability, shelf-life28Is 95.2% a realistic purity ceiling for retatrutide given its chain length?0 answers · 6.9k views · purity, hplc, peptide-mapping28What counter-ion should I expect on a KP retatrutide lot?5 answers, accepted · 46k views · acetate-content, purity, content-assay28Why does gradient slope change my apparent purity?5 answers, accepted · 32k views · hplc, purity, reference-standard28If the mass spec matches exactly, why is that not proof the vial is pure?3 answers, accepted · 12k views · mass-spec, purity, coa27What does Medutest verification of Xi’an Mokemei Biotechnology actually cover?5 answers · 24k views · vendor-investigate, vendor-vetting, coa26How much of the gross mass of a 2 mg retatrutide vial is actually peptide?5 answers · 26k views · content-assay, water-content, acetate-content26Is there any published stability data for cagrilintide at 30 °C?0 answers · 29k views · peptide-stability, storage, clinical-trials24What is the reported incidence of fatigue on ecnoglutide in SURPASS-2?5 answers, accepted · 8.2k views · gi-side-effects, clinical-trials, nausea23Does holding at 15 mg for ten weeks before escalating reduce fatigue?5 answers, accepted · 19k views · titration, nausea, dose-escalation23How do I reconcile 98.2% from Medutest with 96.4% from the supplier?2 answers, accepted · 12k views · purity, batch-testing, coa23Is a Homopeptide order from Wuxi likely to hold cold chain to Ireland?5 answers, accepted · 48k views · cold-chain, international-shipping, vendor-comparison22What does PIONEER-1 tell me about constipation at the 15 mg dose?4 answers · 8.7k views · clinical-trials, gi-side-effects, titration19Does benzyl alcohol degrade the peptide, and how would I know if I were reacting to the preservative rather than the compound?3 answers · 14k views · bacteriostatic-water, peptide-stability, injection-site-reaction19How do I compute the +2 charge state m/z for a peptide of 4813.5 Da?3 answers, accepted · 9.9k views · mass-spec, dosing-math, purity17Is fatigue on orforglipron dose-dependent or dose-rate dependent?4 answers, accepted · 26k views · nausea, titration, gi-side-effects16Why would Janoshik report 98.2% where the supplier certificate says something higher?0 answers · 5.2k views · purity, hplc, batch-testing15Why does fibrillation accelerate at 2–8 °C rather than proceeding linearly?0 answers · 14k views · peptide-stability, storage, hplc14Does racemisation dominate for retatrutide held at 30 °C?5 answers · 9.1k views · peptide-stability, storage, hplc13Does splitting a 30 mg weekly dose of dulaglutide across two administrations change anything?0 answers · 3.9k views · split-dosing, dosing-math, glp1-mechanism13What is the real-world lead time from Guangzhou to Spain in winter?5 answers · 7.8k views · international-shipping, cold-chain, customs12Does holding at 5 mg for eight weeks before escalating reduce hair thinning?5 answers, accepted · 6.5k views · titration, nausea, dose-escalation12Why did my eGFR move after six weeks on oral semaglutide?5 answers · 9.3k views · bloodwork, kidney-function, lipids10Does dizziness at week seven of cagrilintide usually resolve without a dose change?5 answers, accepted · 2.2k views · gi-side-effects, titration, nausea10Is there any published stability data for a GLP-1 receptor agonist at 4 °C?3 answers · 11k views · peptide-stability, storage, clinical-trials10Why does racemisation accelerate at 25 °C rather than proceeding linearly?5 answers, accepted · 7k views · peptide-stability, storage, hplc6Liraglutide daily versus a weekly agonist — is there still a case?3 answers, accepted · 7.3k views · liraglutide, semaglutide, clinical-trials