L 651142

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MedKoo CAT#: 596594

CAS#: 99046-40-9

Description: L 651142 is a weak inhibitor of platelet activating factor receptor binding to polymorphonuclear leukocytes.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-03-30. Prices are subject to change without notice.

L 651142 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#: 596594
Name: L 651142
CAS#: 99046-40-9
Chemical Formula: C21H23NO4S
Exact Mass: 385.1348
Molecular Weight: 385.47
Elemental Analysis: C, 65.43; H, 6.01; N, 3.63; O, 16.60; S, 8.32

Synonym: L 651142; L-651142; L651142; L-651,142; L 651,142; L651,142;

IUPAC/Chemical Name: (E)-4-((5-methoxy-3-(2-methoxyethyl)-2-methyl-1H-inden-1-ylidene)methyl)benzenesulfonamide


InChi Code: InChI=1S/C21H23NO4S/c1-14-18(10-11-25-2)21-13-16(26-3)6-9-19(21)20(14)12-15-4-7-17(8-5-15)27(22,23)24/h4-9,12-13H,10-11H2,1-3H3,(H2,22,23,24)/b20-12+

SMILES Code: O=S(C1=CC=C(/C=C2C(C)=C(CCOC)C3=C\2C=CC(OC)=C3)C=C1)(N)=O

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: Hwang SB. High affinity receptor binding of platelet-activating factor in rat peritoneal polymorphonuclear leukocytes. Eur J Pharmacol. 1991 Apr 17;196(2):169-75. PubMed PMID: 1651872.