A 65281 | CAS# 111279-49-3 | Antibacterial

MedKoo Cat#: 571162 | Name: A 65281

Description:

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

A 65281 is an antibacterial isothiazoloquinolone. It induces considerable DNA breakage mediated by calf thymus topoisomerase II. A 65281 is a potent inhibitor of the P4-unknotting reaction.

Chemical Structure

A 65281

CAS#111279-49-3

Theoretical Analysis

MedKoo Cat#: 571162

Name: A 65281

CAS#: 111279-49-3

Chemical Formula: C17H16F2N4O2S

Exact Mass: 378.0962

Molecular Weight: 378.40

Elemental Analysis: C, 53.96; H, 4.26; F, 10.04; N, 14.81; O, 8.46; S, 8.47

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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Related CAS #

No Data

Synonym

A 65281; A-65281; A65281

IUPAC/Chemical Name

Isothiazolo(5,4-b)quinoline-3,4(2H,9H)-dione, 9-cyclopropyl-6,8-difluoro-7-(1-piperazinyl)-

InChi Key

DMWIKVPTLPZXQB-UHFFFAOYSA-N

InChi Code

InChI=1S/C17H16F2N4O2S/c18-10-7-9-13(12(19)14(10)22-5-3-20-4-6-22)23(8-1-2-8)17-11(15(9)24)16(25)21-26-17/h7-8,20H,1-6H2,(H,21,25)

SMILES Code

O=C1NSC(N(C2CC2)C3=C4C=C(F)C(N5CCNCC5)=C3F)=C1C4=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

Instruction

View handling instruction

Preparing Stock Solutions

The following data is based on the product molecular weight 378.40 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.

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: Kohlbrenner WE, Wideburg N, Weigl D, Saldivar A, Chu DT. Induction of calf thymus topoisomerase II-mediated DNA breakage by the antibacterial isothiazoloquinolones A-65281 and A-65282. Antimicrob Agents Chemother. 1992 Jan;36(1):81-6. PubMed PMID: 1317151; PubMed Central PMCID: PMC189231.