(R)-Cetirizine Polyethylene Glycol Ester
Impurity reference standard
- CAS number
- —
- Molecular formula
- C21H25ClN2O3 · [C2H4O] · n
- Molecular weight
- 388.90 · [44.05] · n
- Purity
- 95%+
- Appearance
- Yellow Liquid
- Storage
- 2℃ ~ 8℃
About (R)-Cetirizine Polyethylene Glycol Ester
(R)-Cetirizine Polyethylene Glycol Ester is supplied as an analytical reference standard. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C21H25ClN2O3 · [C2H4O] · n and a molecular weight of 388.90 · [44.05] · n.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Frequently asked questions
What purity does (R)-Cetirizine Polyethylene Glycol Ester ship at?
(R)-Cetirizine Polyethylene Glycol Ester is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does (R)-Cetirizine Polyethylene Glycol Ester come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
What pack sizes are available for (R)-Cetirizine Polyethylene Glycol Ester?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should (R)-Cetirizine Polyethylene Glycol Ester be stored?
Recommended storage: 2℃ ~ 8℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.