Dihydrotachysterol for system suitability CRS, 5 mg

Dihydrotachysterol for system suitability is a European Pharmacopoeia chemical reference substance, prescribed under Ph. Eur. monograph 2014. It is intended for system suitability testing — confirming that the chromatographic system performs as the monograph requires before results are accepted.

Identity is established by CAS number 67-96-9, EDQM catalogue code Y0000482, current batch 2.

Application

Reference standards of the European Pharmacopoeia are used in the tests and assays of the official Ph. Eur. methods, by analysts competent in those methods. Typical use is in pharmaceutical quality control — release and stability testing, method development and validation, and system suitability checks in chromatographic analysis.

Packaging and storage

Supplied as 5 mg per vial. One vial per sales unit. Store frozen at −20 °C ± 5 °C. Ships frozen.

Notes

• For laboratory analytical use only. Not for human or veterinary consumption, and not for therapeutic, diagnostic or food use.
• Reference standards are non-returnable once dispatched, except where faulty, damaged or incorrectly supplied. Please report any damage within one working day of delivery, with photographs.