(1R,3R,4R)-Entecavir HCI
Impurity reference standard
- CAS number
- 1367369-76-3 (free base)
- InChIKey
- QLPDRYGCUJBSRJ-HNPMAXIBSA-N
- Molecular formula
- C12H16ClN5O3
- Molecular weight
- 313.74
- Exact mass
- 313.0942 Da
- Purity
- 95%+
About (1R,3R,4R)-Entecavir HCI
(1R,3R,4R)-Entecavir HCI is supplied as an analytical reference standard. It is registered under CAS number 1367369-76-3.
The compound is characterised by its molecular formula C12H16ClN5O3 and a molecular weight of 313.74, with the two-dimensional structure shown above.
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.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Frequently asked questions
What purity does (1R,3R,4R)-Entecavir HCI ship at?
(1R,3R,4R)-Entecavir HCI is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does (1R,3R,4R)-Entecavir HCI 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.
How is (1R,3R,4R)-Entecavir HCI uniquely identified?
The InChIKey QLPDRYGCUJBSRJ-HNPMAXIBSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for (1R,3R,4R)-Entecavir HCI?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for (1R,3R,4R)-Entecavir HCI?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
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.