L 642946

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MedKoo CAT#: 596578

CAS#: 80730-81-0

Description: L 642946 is a bioactive chemical.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-07-06. Prices are subject to change without notice.

L 642946 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#: 596578
Name: L 642946
CAS#: 80730-81-0
Chemical Formula: C24H20N5NaO5S4
Exact Mass:
Molecular Weight: 609.68
Elemental Analysis: C, 47.28; H, 3.31; N, 11.49; Na, 3.77; O, 13.12; S, 21.03

Synonym: L 642946; L-642946; L642946;

IUPAC/Chemical Name: sodium (6R,7R)-7-((1-benzylpyridin-1-ium-4-yl)amino)-3-(((5-((carboxylatomethyl)thio)-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate


InChi Code: InChI=1S/C24H21N5O5S4.Na/c30-17(31)13-37-24-27-26-23(38-24)36-12-15-11-35-21-18(20(32)29(21)19(15)22(33)34)25-16-6-8-28(9-7-16)10-14-4-2-1-3-5-14;/h1-9,18,21H,10-13H2,(H2,30,31,33,34);/q;+1/p-1/t18-,21-;/m1./s1

SMILES Code: O=C1[C@@H](NC2=CC=[N+](CC3=CC=CC=C3)C=C2)[C@@]4([H])SCC(CSC5=NN=C(SCC([O-])=O)S5)=C(C([O-])=O)N14.[Na+]

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: Pelak BA, Gilfillan EC, Weissberger B, Gadebusch HH. Quaternary heterocyclylamino beta-lactams. VI. In vitro and in vivo antibacterial properties of L-642,946 and L-652,813, a long acting cephem. J Antibiot (Tokyo). 1987 Mar;40(3):354-62. PubMed PMID: 3570988.