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USP

Lamivudine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2′,3′-Dideoxy-3′-thiacytidine, 3TC, Epivir, Epivir-HBV, Heptovir, Zeffix

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About This Item

Empirical Formula (Hill Notation):
C8H11N3O3S
CAS Number:
Molecular Weight:
229.26
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

lamivudine

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

NC1=NC(=O)N(C=C1)[C@@H]2CS[C@H](CO)O2

InChI

1S/C8H11N3O3S/c9-5-1-2-11(8(13)10-5)6-4-15-7(3-12)14-6/h1-2,6-7,12H,3-4H2,(H2,9,10,13)/t6-,7+/m0/s1

InChI key

JTEGQNOMFQHVDC-NKWVEPMBSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Lamivudine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Abacavir and Lamivudine Tablets
  • Abacavir, Lamivudine and Zidovudine Tablets
  • Lamivudine
  • Lamivudine and Zidovudine Tablets
  • Lamivudine Oral Solution
  • Lamivudine Tablets

Biochem/physiol Actions

Lamivudine is a potent nucleoside analog reverse transcriptase inhibitor (nRTI). It is an analogue of cytidine, and can inhibit both types (1 and 2) of HIV reverse transcriptase as well as the reverse transcriptase of hepatitis B. It needs to be phosphorylated to its triphosphate form before it is active. 3TC-triphosphate also inhibits cellular DNA polymerase.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Several recent reports have demonstrated that tyrosine (Y)-methionine (M)-aspartic acid (D)-aspartic acid (D) (YMDD) motif mutations can naturally occur in chronic HBV patients without antiviral treatment such as lamivudine therapy. This paper aims to assess the overall spontaneous incidence and
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The integrase inhibitor dolutegravir and nucleoside analogues abacavir and lamivudine are once-daily treatment options for HIV. This study (NCT01622790) evaluated, first, the bioequivalence (BE) of a fixed-dose combination (FDC) tablet containing dolutegravir 50 mg, abacavir 600 mg, and lamivudine 300
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To evaluate efficacy of lamivudine in reducing in utero transmission of hepatitis B virus (HBV). A database was constructed from Medline, EMBASE, Cochrane Library, National Science Digital Library, China Biological Medicine Database, and through contact with experts in the field
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It is still inconclusive whether chronic hepatitis B (CHB) patients with persistently normal alanine aminotransferase (PNALT) should receive nucleoside/nucleotide analogues. This study is to evaluate the efficacy of entecavir in improving liver histology in CHB patients with PNALT. In this
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This is a substudy of the Agence Nationale de Recherches sur le Sida et les Hépatites Virales (ANRS) Comparison of Nevirapine and Efavirenz for the Treatment of HIV-TB Co-infected Patients (ANRS 12146-CARINEMO) trial, which assessed the pharmacokinetics of rifampin or

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