Entecavir

Name: Entecavir
Brand: Zemixal
SKU: ZX-029270

Reference StandardAvailable on request

Entecavir (CAS 142217-69-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes

CAS number142217-69-4

FormulaC₁₂H₁₅N₅O₃

Molar mass277.28 g/mol

Physical formSolid

HS code38229090

InChIKeyQDGZDCVAUDNJFG-FXQIFTODSA-N

IUPAC name2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one

About Entecavir

Entecavir belongs to the Entecavir reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 142217-69-4, formula C12H15N5O3 and molar mass 277.28 g/mol. It is handled as a solid.

Common uses in the lab and plant

Identification & assay
Method development & validation
QC reference material

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with 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 QC Research Labs and Universities

Specifications and identifiers

Specifications of Entecavir
Product name	Entecavir
Catalogue number	ZX-029270
CAS number	142217-69-4
IUPAC name	2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one
Molecular formula	C₁₂H₁₅N₅O₃
Molar mass	277.28 g/mol
Exact mass	277.1175
Grade	Reference Standard
Physical form	Solid
XLogP3	-1.3
H-bond donors / acceptors	4 / 5
Topological polar surface area	126 Å²
HS code	38229090
InChIKey	QDGZDCVAUDNJFG-FXQIFTODSA-N
SMILES	C=C1[C@H](C[C@@H]([C@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N
PubChem CID	135398508
Synonyms	Entecavir System Suitability Mixture, anhydrous entecavir, Entecavir anhydrous, entecavir (anhydrous), 9-((1S,3R,4S)-4-Hydroxy-3-(Hydroxymethyl)-2-Methylenecyclopentyl)Guanine Monohydrate, Entecavir sodium, 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylene-cyclopentyl]-1H-purin-6-one, 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one, (1R,3S,4S)-ent-Entecavir, 2-amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-1,9-dihydro-6H-purin-6-one, 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylene-cyclopentyl]-3H-purin-6-one, 9-[(1S,3R,4S)-4-Hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]guanine

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Entecavir
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted 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

Which CAS number identifies Entecavir?

Entecavir is registered under CAS 142217-69-4. You may also see it listed as Entecavir System Suitability Mixture, anhydrous entecavir, Entecavir anhydrous. Our catalogue number for this item is ZX-029270.

What are the formula and molar mass of Entecavir?

For Entecavir, its formula is C12H15N5O3 and its molar mass is 277.28 g/mol. The systematic (IUPAC) name is 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one. InChIKey QDGZDCVAUDNJFG-FXQIFTODSA-N lets you match it in any structure database.

How is Entecavir used in pharmaceutical QC?

Entecavir 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?

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?

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 to my country?

Yes. Entecavir ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Entecavir standards

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