L 756423

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 596706

CAS#: 216863-66-0

Description: L 756423 is a HIV Protease Inhibitor.

Chemical Structure

L 756423
CAS# 216863-66-0

Theoretical Analysis

MedKoo Cat#: 596706
Name: L 756423
CAS#: 216863-66-0
Chemical Formula: C39H48N4O5
Exact Mass: 652.3625
Molecular Weight: 652.83
Elemental Analysis: C, 71.75; H, 7.41; N, 8.58; O, 12.25

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: L 756423; L-756423; L756423; MK 944a; MK-944a; MK944a;

IUPAC/Chemical Name: (S)-4-(benzofuran-2-ylmethyl)-1-((2S,4R)-4-benzyl-2-hydroxy-5-(((1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl)amino)-5-oxopentyl)-N-(tert-butyl)piperazine-2-carboxamide


InChi Code: InChI=1S/C39H48N4O5/c1-39(2,3)41-38(47)33-25-42(24-31-21-28-14-8-10-16-35(28)48-31)17-18-43(33)23-30(44)20-29(19-26-11-5-4-6-12-26)37(46)40-36-32-15-9-7-13-27(32)22-34(36)45/h4-16,21,29-30,33-34,36,44-45H,17-20,22-25H2,1-3H3,(H,40,46)(H,41,47)/t29-,30+,33+,34-,36+/m1/s1

SMILES Code: CC(C)(C)NC([C@H](CN(CC1)Cc2oc3ccccc3c2)N1C[C@@H](O)C[C@H](C(N[C@@H]4[C@H](O)Cc5ccccc54)=O)Cc6ccccc6)=O

Appearance: Solid powder

Purity: >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).

Solubility: 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 652.83 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Rose MJ, Merschman SA, Eisenhandler R, Woolf EJ, Yeh KC, Lin L, Fang W, Hsieh J, Braun MP, Gatto GJ, Matuszewski BK. High-throughput simultaneous determination of the HIV protease inhibitors indinavir and L-756423 in human plasma using semi-automated 96-well solid phase extraction and LC-MS/MS. J Pharm Biomed Anal. 2000 Dec 15;24(2):291-305. PubMed PMID: 11130208.

2: Dorsey BD, McDonough C, McDaniel SL, Levin RB, Newton CL, Hoffman JM, Darke PL, Zugay-Murphy JA, Emini EA, Schleif WA, Olsen DB, Stahlhut MW, Rutkowski CA, Kuo LC, Lin JH, Chen IW, Michelson SR, Holloway MK, Huff JR, Vacca JP. Identification of MK-944a: a second clinical candidate from the hydroxylaminepentanamide isostere series of HIV protease inhibitors. J Med Chem. 2000 Sep 7;43(18):3386-99. PubMed PMID: 10978186.

3: Munshi S, Chen Z, Yan Y, Li Y, Olsen DB, Schock HB, Galvin BB, Dorsey B, Kuo LC. An alternate binding site for the P1-P3 group of a class of potent HIV-1 protease inhibitors as a result of concerted structural change in the 80s loop of the protease. Acta Crystallogr D Biol Crystallogr. 2000 Apr;56(Pt 4):381-8. PubMed PMID: 10739910.

4: Rose MJ, Merschman SA, Woolf EJ, Matuszewski BK. Determination of L-756 423, a novel HIV protease inhibitor, in human plasma and urine using high-performance liquid chromatography with fluorescence detection. J Chromatogr B Biomed Sci Appl. 1999 Sep 24;732(2):425-35. PubMed PMID: 10517365.