documentation
Every compound has its certificate.
Each compound is supplied with a certificate of analysis from its supplier, stating 99% purity or above. It is published under the catalogue code, not under a batch number.
Published certificates
What the certificate states
01
Identity
The compound named on the label is the one that was analysed.
02
Purity
Stated as a percentage by the supplier's method: 99% or above.
03
Appearance
A lyophilised powder, and what it should look like in the vial.
04
Method and date
The analytical method and the date of analysis are on the certificate itself.