Valaciclovir EP Impurity R

About Valaciclovir EP Impurity R

Valaciclovir EP Impurity R is a pharmacopeial impurity of Valaciclovir carrying the CAS registry number 142963-60-8. Its molecular formula is C13H20N6O4 and its molecular weight is 324.34 g/mol. Its systematic (IUPAC) name is 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2R)-2-amino-3-methylbutanoate. Common synonyms include D-Valacyclovir and Valaciclovir - Impurity R (Freebase).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Valaciclovir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Valaciclovir

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

Valaciclovir impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Valaciclovir EP Impurity R
Catalogue No.	VQ-028608
CAS Number	142963-60-8
IUPAC name	2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2R)-2-amino-3-methylbutanoate
Molecular formula	C₁₃H₂₀N₆O₄
Molecular weight	324.34 g/mol
Exact mass	324.1546
Grade	Reference Standard
HSN code	38229090
InChIKey	HDOVUKNUBWVHOX-MRVPVSSYSA-N
SMILES	CC(C)[C@H](C(=O)OCCOCN1C=NC2=C1N=C(NC2=O)N)N
PubChem CID	135459833

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	3 / 7
TPSA	147 Å²
Synonyms	D-Valacyclovir, Valaciclovir - Impurity R (Freebase), Valacyclovir, D-, D-VACV, 2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl D-valinate, D-Valine, 2-((2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy)ethyl ester, D-Valine, 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl ester, Valacyclovir, (D)-, D-Val-Acyclovir, (R)-2-((2-amino-6-oxo-1H-purin-9(6H)-yl)methoxy)ethyl 2-amino-3-methylbutanoate, 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2R)-2-amino-3-methyl-butanoate

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 EP Impurity R?

The CAS Registry Number of Valaciclovir EP Impurity R is 142963-60-8. It is also known as D-Valacyclovir, Valaciclovir - Impurity R (Freebase), Valacyclovir, D-.

What is the molecular formula and molecular weight of Valaciclovir EP Impurity R?

Valaciclovir EP Impurity R has the molecular formula C13H20N6O4 and a molecular weight of 324.34 g/mol. Its IUPAC name is 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl (2R)-2-amino-3-methylbutanoate.

What is Valaciclovir EP Impurity R used for?

Valaciclovir EP Impurity R 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 EP Impurity R can I order?

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

Do you provide a COA and SDS with Valaciclovir EP Impurity R?

Yes. Every lot of Valaciclovir EP Impurity R 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 EP Impurity R be shipped internationally?

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