Cefoselis sulfate

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MedKoo CAT#: 315216

CAS#: 122841-12-7 (sulfate)

Description: Cefoselis sulfate is a stable cephalosporin for BETA-lactamase. The drug shows antimicrobial activity for a wide range of bacteria including Pseudomonas.

Chemical Structure

Cefoselis sulfate
CAS# 122841-12-7 (sulfate)

Theoretical Analysis

MedKoo Cat#: 315216
Name: Cefoselis sulfate
CAS#: 122841-12-7 (sulfate)
Chemical Formula: C19H24N8O10S3
Exact Mass:
Molecular Weight: 620.64
Elemental Analysis: C, 36.77; H, 3.90; N, 18.05; O, 25.78; S, 15.50

Price and Availability

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10.0mg USD 250.0 2 Weeks
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Related CAS #: 122841-10-5 (free base)   122841-12-7 (sulfate)  

Synonym: Winsef; (6R(6alpha7beta(Z)))7(((2Amino4thiazolyl)(methoxyimino)acetyl)amino)3((23dihydro2(2hydroxyethyl)3imino1Hpyrazol1yl)methyl)8oxo5Thia1azabicyclo(4.2.0)oct2ene2carboxylic acid sulfate

IUPAC/Chemical Name: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((2-(2-hydroxyethyl)-3-imino-2,3-dihydro-1H-pyrazol-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid compound with sulfuric acid (1:1)


InChi Code: InChI=1S/C19H22N8O6S2.H2O4S/c1-33-24-12(10-8-35-19(21)22-10)15(29)23-13-16(30)27-14(18(31)32)9(7-34-17(13)27)6-25-3-2-11(20)26(25)4-5-28;1-5(2,3)4/h2-3,8,13,17,20,28H,4-7H2,1H3,(H2,21,22)(H,23,29)(H,31,32);(H2,1,2,3,4)/b20-11?,24-12-;/t13-,17-;/m1./s1

SMILES Code: O=C(C(N12)=C(CN3N(CCO)C(C=C3)=N)CS[C@]2([H])[C@H](NC(/C(C4=CSC(N)=N4)=N\OC)=O)C1=O)O.O=S(O)(O)=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 620.64 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: Ueo H, Motohashi H, Katsura T, Inui K. Human organic anion transporter hOAT3 is a potent transporter of cephalosporin antibiotics, in comparison with hOAT1. Biochem Pharmacol. 2005 Oct 1;70(7):1104-13. PubMed PMID: 16098483.

2: Ohki H, Kawabata K, Inamoto Y, Okuda S, Kamimura T, Sakane K. Studies on 3'-quaternary ammonium cephalosporins--IV. Synthesis and antibacterial activity of 3'-(2-alkyl-3-aminopyrazolium) cephalosporins related to FK037. Bioorg Med Chem. 1997 Aug;5(8):1685-94. PubMed PMID: 9313870.

3: Neu HC, Chin NX, Huang HB. In vitro activity and beta-lactamase stability of FK-037, a parenteral cephalosporin. Antimicrob Agents Chemother. 1993 Mar;37(3):566-73. PubMed PMID: 8460925; PubMed Central PMCID: PMC187708.