Valaciclovir Impurity S

Name: Valaciclovir Impurity S
Brand: Vaqora Chemicals
SKU: VQ-006084

About Valaciclovir Impurity S

Listed under CAS 502421-44-5, Valaciclovir Impurity S is an impurity of Valaciclovir available from Vaqora Chemicals. Formula C18H28N6O6, molecular weight 424.5 g/mol. Its 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. Common synonyms include N-t-Boc Valacyclovir and Valaciclovir Impurity 34.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Valaciclovir to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Valaciclovir Impurity S in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Valaciclovir

View every impurity, metabolite and intermediate we list for Valaciclovir.

Valaciclovir impurities

Specifications & identifiers

Chemical identifiers
Product name	Valaciclovir Impurity S
Catalogue No.	VQ-006084
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
Molecular weight	424.5 g/mol
Exact mass	424.207
Grade	Reference Standard
HSN 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

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	3 / 8
TPSA	159 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Valaciclovir Impurity S?

The CAS Registry Number of Valaciclovir Impurity S is 502421-44-5. It is also known as N-t-Boc Valacyclovir, Valaciclovir Impurity 34, Valaciclovir impurity S CRS.

What is the molecular formula and molecular weight of Valaciclovir Impurity S?

Valaciclovir Impurity S has the molecular formula C18H28N6O6 and a molecular weight of 424.5 g/mol. Its IUPAC name is 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate.

What is Valaciclovir Impurity S used for?

Valaciclovir Impurity S is supplied as a characterised reference material related to Valaciclovir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Valaciclovir Impurity S can I order?

We supply Valaciclovir Impurity S in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Valaciclovir Impurity S?

Yes. Every lot of Valaciclovir Impurity S is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Valaciclovir Impurity S be shipped internationally?

Yes. We export Valaciclovir Impurity S worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.