Independent analysis puts a QYB semaglutide lot at 98.3%, against 96.3% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Coverage naming QYB
Reporting from across the Journal that names ChinaPeptides Co., Ltd. (QYAOBIO), together with the correspondence this desk has had with the company about it. The dossier itself — the testing record, the correspondence log, the ordering box and the reader reports — is here. The company sells directly at qyaobiopeptides.com, a labelled and nofollowed link the Journal is paid nothing for; read the record before you use it.
Independent analysis puts a QYB mazdutide lot at 95.3%, against 92.9% on the certificate
The result is unremarkable. What the report states alongside it is not.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at QYB in June, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a QYB dulaglutide lot at 99.3%, against 98.0% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Independent analysis puts a QYB liraglutide lot at 96.9%, against 96.0% on the certificate
The result is unremarkable. What the report states alongside it is not.
What changed at QYB in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at QYB in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a QYB mazdutide lot at 95.1%, against 91.4% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at QYB in March, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a QYB survodutide lot at 95.9%, against 94.3% on the certificate
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
QYB names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.