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), or that bears directly on the questions its dossier leaves open. The dossier itself — the testing record, the correspondence log and the verification box — is here.
Independent analysis puts a QYB mazdutide lot at 95.3%, against 92.9% on the certificate
The result is unremarkable. What the report omits is not.
QYB declines, for the 22nd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 3rd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 17th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 5th time, to name its synthesis house
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 will not say about 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 omits is not.
What changed at QYB in December, and what the company will not say about 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 will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 4th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 10th time, to name its synthesis house
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 declines, for the 14th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QYB declines, for the 10th time, to name its synthesis house
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 will not say about 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 has not disputed the finding. It has not explained the gap either.
QYB 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.