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API Reference Standards

Entecavir Monohydrate

Reference StandardAvailable on request

Order Entecavir Monohydrate (CAS 209216-23-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
Entecavir Monohydrate chemical structure
CAS number209216-23-9
FormulaC12H17N5O4
Molar mass295.29 g/mol
Physical formSolid
HS code38229090
InChIKeyYXPVEXCTPGULBZ-WQYNNSOESA-N
IUPAC name2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one;hydrate

About Entecavir Monohydrate

Entecavir Monohydrate belongs to the Entecavir reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 209216-23-9, formula C12H17N5O4 and molar mass 295.29 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

Hazard communication follows GHS (Danger: H302, H336, H351 and H360). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Entecavir

See every impurity, metabolite and related compound we list for this API.

Entecavir standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Entecavir Monohydrate
Product nameEntecavir Monohydrate
Catalogue numberZX-021565
CAS number209216-23-9
IUPAC name2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one;hydrate
Molecular formulaC12H17N5O4
Molar mass295.29 g/mol
Exact mass295.1281
GradeReference Standard
Physical formSolid
H-bond donors / acceptors5 / 6
Topological polar surface area127 Ų
HS code38229090
InChIKeyYXPVEXCTPGULBZ-WQYNNSOESA-N
SMILESC=C1[C@H](C[C@@H]([C@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N.O
PubChem CID135526609
SynonymsEntecavir Hydrate, Entecavir hydrate (JAN), Entecavir hydrate,Baraclude, 2-amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H336May cause drowsiness or dizziness
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H361Suspected of damaging fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P280, P301 + P317, P304 + P340, P318, P319, P330, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Entecavir Monohydrate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Entecavir Monohydrate

Which CAS number identifies Entecavir Monohydrate?
Entecavir Monohydrate is registered under CAS 209216-23-9. You may also see it listed as Entecavir Hydrate, Entecavir hydrate (JAN), Entecavir hydrate,Baraclude. Our catalogue number for this item is ZX-021565.
What are the formula and molar mass of Entecavir Monohydrate?
For Entecavir Monohydrate, its formula is C12H17N5O4 and its molar mass is 295.29 g/mol. InChIKey YXPVEXCTPGULBZ-WQYNNSOESA-N lets you match it in any structure database.
How is Entecavir Monohydrate used in pharmaceutical QC?
Entecavir Monohydrate is a characterised reference material linked to Entecavir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Entecavir Monohydrate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Entecavir Monohydrate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Entecavir Monohydrate to my country?
Yes. Because Entecavir Monohydrate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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