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MedKoo CAT#: 528216

CAS#: 135525-77-8

Description: L-697639 is a non-nucleoside inhibitor of HIV-1 reverse transcriptase and HIV-1 replication.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-03-29. Prices are subject to change without notice.

L-697639 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 528216
Name: L-697639
CAS#: 135525-77-8
Chemical Formula: C18H21N3O2
Exact Mass: 311.1634
Molecular Weight: 311.385
Elemental Analysis: C, 69.43; H, 6.80; N, 13.49; O, 10.28

Synonym: L-697639; L 697639; L697639

IUPAC/Chemical Name: 3-(((4,7-dimethylbenzo[d]oxazol-2-yl)methyl)amino)-5-ethyl-6-methylpyridin-2(1H)-one


InChi Code: InChI=1S/C18H21N3O2/c1-5-13-8-14(18(22)20-12(13)4)19-9-15-21-16-10(2)6-7-11(3)17(16)23-15/h6-8,19H,5,9H2,1-4H3,(H,20,22)


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Sismour AM, Lutz S, Park JH, Lutz MJ, Boyer PL, Hughes SH, Benner SA. PCR amplification of DNA containing non-standard base pairs by variants of reverse transcriptase from Human Immunodeficiency Virus-1. Nucleic Acids Res. 2004 Feb 2;32(2):728-35. PubMed PMID: 14757837; PubMed Central PMCID: PMC373358.

2: Van Hecken A, Depre M, De Lepeleire I, Laskin O, Au T, Woolf E, Yeh KC, De Schepper PJ. Human pharmacokinetics and tolerability of L-697,639, a non-nucleoside HIV-1 reverse transcriptase inhibitor. Int J Clin Pharmacol Res. 1994;14(2):45-50. PubMed PMID: 7530697.

3: O'Brien JA, Ostovic D, Schorn TW, Smith SJ, Ruffing TL, Siegl PK, Goldman ME. A rapid bioassay for the determination of non-nucleoside HIV-1 reverse transcriptase inhibitor plasma levels. Life Sci. 1993;52(3):243-9. PubMed PMID: 7678687.

4: Saari WS, Wai JS, Fisher TE, Thomas CM, Hoffman JM, Rooney CS, Smith AM, Jones JH, Bamberger DL, Goldman ME, et al. Synthesis and evaluation of 2-pyridinone derivatives as HIV-1-specific reverse transcriptase inhibitors. 2. Analogues of 3-aminopyridin-2(1H)-one. J Med Chem. 1992 Oct 16;35(21):3792-802. PubMed PMID: 1279173.

5: Sardana VV, Emini EA, Gotlib L, Graham DJ, Lineberger DW, Long WJ, Schlabach AJ, Wolfgang JA, Condra JH. Functional analysis of HIV-1 reverse transcriptase amino acids involved in resistance to multiple nonnucleoside inhibitors. J Biol Chem. 1992 Sep 5;267(25):17526-30. PubMed PMID: 1381350.

6: Condra JH, Emini EA, Gotlib L, Graham DJ, Schlabach AJ, Wolfgang JA, Colonno RJ, Sardana VV. Identification of the human immunodeficiency virus reverse transcriptase residues that contribute to the activity of diverse nonnucleoside inhibitors. Antimicrob Agents Chemother. 1992 Jul;36(7):1441-6. PubMed PMID: 1380789; PubMed Central PMCID: PMC191601.

7: Woolf E, Matuszewski B. High-performance liquid chromatographic procedure for the determination of a non-nucleoside HIV-1 reverse transcriptase inhibitor in human plasma. J Chromatogr. 1992 May 20;577(1):129-34. PubMed PMID: 1383249.

8: Balzarini J, Pérez-Pérez MJ, San-Félix A, Camarasa MJ, Bathurst IC, Barr PJ, De Clercq E. Kinetics of inhibition of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase by the novel HIV-1-specific nucleoside analogue [2',5'-bis-O-(tert-butyldimethylsilyl)-beta-D-ribofuranosyl]-3'-spiro-5 "- (4"-amino-1",2"-oxathiole-2",2"-dioxide)thymine (TSAO-T). J Biol Chem. 1992 Jun 15;267(17):11831-8. PubMed PMID: 1376314.

9: Nunberg JH, Schleif WA, Boots EJ, O'Brien JA, Quintero JC, Hoffman JM, Emini EA, Goldman ME. Viral resistance to human immunodeficiency virus type 1-specific pyridinone reverse transcriptase inhibitors. J Virol. 1991 Sep;65(9):4887-92. PubMed PMID: 1714522; PubMed Central PMCID: PMC248949.