WARNING: This product is for research use only, not for human or veterinary use.
MedKoo CAT#: 571162
Description: 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.
MedKoo Cat#: 571162
Name: A 65281
Chemical Formula: C17H16F2N4O2S
Exact Mass: 378.0962
Molecular Weight: 378.4
Elemental Analysis: C, 53.96; H, 4.26; F, 10.04; N, 14.81; O, 8.46; S, 8.47
This product is not in stock, which may be available by custom synthesis.
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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
The following data is based on the product molecular weight 378.4 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.