MedKoo Cat#: 413182 | Name: Cloxacillin

Description:

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

Cloxacillin is a semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN.

Chemical Structure

Cloxacillin
Cloxacillin
CAS#61-72-3 (free base)

Theoretical Analysis

MedKoo Cat#: 413182

Name: Cloxacillin

CAS#: 61-72-3 (free base)

Chemical Formula: C19H18ClN3O5S

Exact Mass: 435.0656

Molecular Weight: 435.88

Elemental Analysis: C, 52.36; H, 4.16; Cl, 8.13; N, 9.64; O, 18.35; S, 7.36

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Synonym
Cloxacillin; Syntarpen; BRL 1621; BRL1621; BRL-1621; Methocillin S; HSDB3042; HSDB-3042; HSDB 3042;
IUPAC/Chemical Name
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((3-(2-chlorophenyl)-5-methyl-4-isoxazolyl)carbonyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta))-
InChi Key
LQOLIRLGBULYKD-JKIFEVAISA-N
InChi Code
InChI=1S/C19H18ClN3O5S/c1-8-11(12(22-28-8)9-6-4-5-7-10(9)20)15(24)21-13-16(25)23-14(18(26)27)19(2,3)29-17(13)23/h4-7,13-14,17H,1-3H3,(H,21,24)(H,26,27)/t13-,14+,17-/m1/s1
SMILES Code
O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(C3=C(C)ON=C3C4=CC=CC=C4Cl)=O)N1C2=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
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 435.88 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
1: Lotric S, Lejko-Zupanc T, Jereb M. Cloxacillin-induced cholestasis. Clin Infect Dis. 1994 Nov;19(5):981-2. doi: 10.1093/clinids/19.5.981. PMID: 7893901. 2: Bru JP, Garraffo R. Role of intravenous cloxacillin for inpatient infections. Med Mal Infect. 2012 Jun;42(6):241-6. doi: 10.1016/j.medmal.2011.10.015. Epub 2012 Apr 27. PMID: 22542764. 3: Uwaydah MM, Faris BM, Samara IN, Shammas HF, To'Mey KF. Cloxacillin penetration. Am J Ophthalmol. 1976 Jul;82(1):114-6. doi: 10.1016/0002-9394(76)90675-9. PMID: 937445. 4: Morales-Cartagena A, Lalueza A, San Juan R, Aguado JM. Staphylococcus aureus sensible a cloxacilina con CMI elevada a glucopéptidos. ¿Ponemos siempre cloxacilina? [Cloxacillin-susceptible Staphylococcus aureus with high MIC to glycopeptides. Ever we use cloxacillin?]. Rev Esp Quimioter. 2015 Sep;28 Suppl 1:25-9. Spanish. PMID: 26365730. 5: Gatell JM, Rello J, Miro JM, Martinez JA, Soriano E, SanMiguel Garcia J. Cloxacillin-induced neutropenia. J Infect Dis. 1986 Aug;154(2):372. doi: 10.1093/infdis/154.2.372. PMID: 3722871. 6: Rodríguez-Jiménez B, Domínguez-Ortega J, Santos-Magadán S, González-García JM, Kindelan-Recarte C. Cloxacillin-induced skin eruption. Clin Exp Dermatol. 2009 Oct;34(7):e330-1. doi: 10.1111/j.1365-2230.2009.03281.x. Epub 2009 May 18. PMID: 19456773. 7: Srinivasaraghavan R, Dhandapany G. Non availability of Cloxacillin, A Deterrent for Rational Antimicrobial Practice. Indian Pediatr. 2016 Nov 15;53(11):1032-1033. PMID: 27889744. 8: Garrigós C, Murillo O, Lora-Tamayo J, Verdaguer R, Tubau F, Cabellos C, Cabo J, Ariza J. Efficacy of daptomycin-cloxacillin combination in experimental foreign-body infection due to methicillin-resistant Staphylococcus aureus. Antimicrob Agents Chemother. 2012 Jul;56(7):3806-11. doi: 10.1128/AAC.00127-12. Epub 2012 May 14. PMID: 22585211; PMCID: PMC3393403. 9: Domínguez-Ortega J, Martínez-Alonso JC, Marcos-Pérez MC, Kindelan C, Frades A. Allergy to cloxacillin with normal tolerance to amoxicillin and cefuroxime. Allergol Immunopathol (Madr). 2006 Jan-Feb;34(1):37-8. doi: 10.1157/13084226. PMID: 16540070. 10: Mani SSR, Iyyadurai R. Cloxacillin induced agranulocytosis: A rare adverse event of a commonly used antibiotic. Int J Immunopathol Pharmacol. 2017 Sep;30(3):297-301. doi: 10.1177/0394632017724320. Epub 2017 Aug 8. PMID: 28786715; PMCID: PMC5815267.