E 0702

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

MedKoo CAT#: 463099

CAS#: 77768-57-1

Description: E-0702 is an antipseudomonal cephalosporin derivative which has a broad spectrum of antibacterial activity against clinical isolates of gram-positive and gram-negative bacteria. It has significantly high in vitro antibacterial activity against gram-negative bacteria including the Pseudomonas group.

Chemical Structure

E 0702
CAS# 77768-57-1

Theoretical Analysis

MedKoo Cat#: 463099
Name: E 0702
CAS#: 77768-57-1
Chemical Formula: C29H21N7Na2O12S2
Exact Mass: 769.05
Molecular Weight: 769.624
Elemental Analysis: C, 45.26; H, 2.75; N, 12.74; Na, 5.97; O, 24.95; S, 8.33

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.

Synonym: E 0702; E0702; E-0702;

IUPAC/Chemical Name: sodium (6R,7R)-3-(((1-(carboxylatomethyl)-1H-tetrazol-5-yl)thio)methyl)-7-(2-(6,7-dihydroxy-4-oxo-4H-chromene-3-carboxamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate


InChi Code: InChI=1S/C29H23N7O12S2.2Na/c37-13-3-1-11(2-4-13)20(30-24(43)15-8-48-18-6-17(39)16(38)5-14(18)23(15)42)25(44)31-21-26(45)36-22(28(46)47)12(9-49-27(21)36)10-50-29-32-33-34-35(29)7-19(40)41;;/h1-6,8,20-21,27,37-39H,7,9-10H2,(H,30,43)(H,31,44)(H,40,41)(H,46,47);;/q;2*+1/p-2/t20?,21-,27-;;/m1../s1

SMILES Code: O=C(C(N12)=C(CSC3=NN=NN3CC([O-])=O)CS[C@]2([H])[C@H](NC(C(NC(C4=COC5=CC(O)=C(O)C=C5C4=O)=O)C6=CC=C(O)C=C6)=O)C1=O)[O-].[Na+].[Na+]

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: >3 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

Product Data:

Preparing Stock Solutions

The following data is based on the product molecular weight 769.623500000000000000000000000000 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Watanabe NA, Nagasu T, Katsu K, Kitoh K. E-0702, a new cephalosporin, is incorporated into Escherichia coli cells via the tonB-dependent iron transport system. Antimicrob Agents Chemother. 1987 Apr;31(4):497-504. doi: 10.1128/aac.31.4.497. PMID: 3037997; PMCID: PMC174766. 2: Neu HC, Labthavikul P. In vitro antibacterial activity and beta-lactamase stability of E-0702, a new cephalosporin. Antimicrob Agents Chemother. 1983 Sep;24(3):313-20. doi: 10.1128/aac.24.3.313. PMID: 6605718; PMCID: PMC185318. 3: Katsu K, Kitoh K, Inoue M, Mitsuhashi S. In vitro antibacterial activity of E-0702, a new semisynthetic cephalosporin. Antimicrob Agents Chemother. 1982 Aug;22(2):181-5. doi: 10.1128/aac.22.2.181. PMID: 6100421; PMCID: PMC183706.