Valaciclovir Impurity S

Name: Valaciclovir Impurity S
Brand: Zemixal
SKU: ZX-005476

Reference StandardIn stock

Order Valaciclovir Impurity S (CAS 502421-44-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes

Valaciclovir Impurity S chemical structure

CAS number502421-44-5

FormulaC₁₈H₂₈N₆O₆

Molar mass424.5 g/mol

Physical formSolid

HS code38229090

InChIKeyFGLBYLSLCQBNHV-NSHDSACASA-N

IUPAC name2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate

About Valaciclovir Impurity S

Valaciclovir Impurity S belongs to the Valaciclovir reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 502421-44-5, formula C18H28N6O6 and molar mass 424.5 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 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 Valaciclovir

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

Valaciclovir standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Valaciclovir Impurity S
Product name	Valaciclovir Impurity S
Catalogue number	ZX-005476
CAS number	502421-44-5
IUPAC name	2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate
Molecular formula	C₁₈H₂₈N₆O₆
Molar mass	424.5 g/mol
Exact mass	424.207
Grade	Reference Standard
Physical form	Solid
XLogP3	0.8
H-bond donors / acceptors	3 / 8
Topological polar surface area	159 Å²
HS code	38229090
InChIKey	FGLBYLSLCQBNHV-NSHDSACASA-N
SMILES	CC(C)[C@@H](C(=O)OCCOCN1C=NC2=C1N=C(NC2=O)N)NC(=O)OC(C)(C)C
PubChem CID	135453428
Synonyms	N-t-Boc Valacyclovir, Valaciclovir Impurity 34, Valaciclovir impurity S CRS, 2-((2-amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)ethyl (tert-butoxycarbonyl)-L-valinate

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 Valaciclovir Impurity S
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 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 Valaciclovir Impurity S

Which CAS number identifies Valaciclovir Impurity S?

Valaciclovir Impurity S is registered under CAS 502421-44-5. You may also see it listed as N-t-Boc Valacyclovir, Valaciclovir Impurity 34, Valaciclovir impurity S CRS. Our catalogue number for this item is ZX-005476.

What are the formula and molar mass of Valaciclovir Impurity S?

For Valaciclovir Impurity S, its formula is C18H28N6O6 and its molar mass is 424.5 g/mol. The systematic (IUPAC) name is 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate. InChIKey FGLBYLSLCQBNHV-NSHDSACASA-N lets you match it in any structure database.

How is Valaciclovir Impurity S used in pharmaceutical QC?

Valaciclovir Impurity S is a characterised reference material linked to Valaciclovir. 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 Valaciclovir Impurity S?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Valaciclovir Impurity S?

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 Valaciclovir Impurity S to my country?

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

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