Accreditation, scope, and the question nobody asks PeptideMeter
Two signatures — one who performed the work, one who approved its release — are the ordinary regulated convention and are almost unknown here.
API sourcing
Page 12 of 23 of this archive, newest first.
Suzhou export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What changed at BCH in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
A named analyst is the cheapest quality signal in this trade
Two signatures — one who performed the work, one who approved its release — are the ordinary regulated convention and are almost unknown here.
What a 34% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.
What a 26% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
CPC declines, for the 7th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at JEEP in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
SSA declines, for the 13th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 42% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
What changed at SWB in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 15% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Qingdao export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Homopeptide declines, for the 12th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The anatomy of the most reproduced page in this trade
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
Chengdu export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 30% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
What a purity certificate is silent about
A purity figure is silent on peptide content, on water, on counter-ion, on sterility, on endotoxin and on stability. Each of those silences has a price attached.
CPC declines, for the 8th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.