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Chemical Structure| 946075-13-4 Chemical Structure| 946075-13-4

Structure of Isavuconazonium sulfate
CAS No.: 946075-13-4

Chemical Structure| 946075-13-4

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Isavuconazonium Sulfate is a prodrug for isavuconazole, which is a broad-spectrum triazole antifungal agent used to treat invasive aspergillosis and invasive mucormycosis.

Synonyms: BAL8557-002; Isavuconazonium (sulfate)

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Product Details of Isavuconazonium sulfate

CAS No. :946075-13-4
Formula : C35H36F2N8O9S2
M.W : 814.84
SMILES Code : CC([N+]1=CN(C[C@](O)(C2=CC(F)=CC=C2F)[C@H](C3=NC(C4=CC=C(C#N)C=C4)=CS3)C)N=C1)OC(N(C)C5=NC=CC=C5COC(CNC)=O)=O.[O-]S(=O)(O)=O
Synonyms :
BAL8557-002; Isavuconazonium (sulfate)
MDL No. :MFCD27987905
InChI Key :LWXUIUUOMSMZKJ-KLFWAVJMSA-M
Pubchem ID :72196309

Safety of Isavuconazonium sulfate

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Isoform Comparison

Biological Activity

In Vitro:

Cell Line
Concentration Treated Time Description References
Acanthamoeba T4 strain MEEI 0184 0.024 μM 48 hours Evaluation of amebicidal activity of isavuconazonium sulfate against Acanthamoeba T4 strain MEEI 0184, showing an EC50 of 0.024 μM. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294
Acanthamoeba T4 strain CDC:V240 0.037 μM 48 hours Evaluation of amebicidal activity of isavuconazonium sulfate against Acanthamoeba T4 strain CDC:V240, showing an EC50 of 0.037 μM. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294
Acanthamoeba T4 strain Ma 0.001 μM 48 hours Evaluation of amebicidal activity of isavuconazonium sulfate against Acanthamoeba T4 strain Ma, showing an EC50 of 0.001 μM. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
New Zealand White rabbits Cryptococcal meningoencephalitis model Oral gavage 83.8 mg/kg and 111.8 mg/kg Once daily for 12 days To characterize the exposure-response relationship of isavuconazonium sulfate in a rabbit model of cryptococcal meningoencephalitis, showing significant reductions in fungal burden in the brain and CSF comparable to fluconazole Antimicrob Agents Chemother. 2019 Aug 23;63(9):e00546-19
Rats Healthy rats Oral 5 mg/kg (single dose) and 30 mg/kg/day (repeated dose) Observation at 1-672 hours after single dose; repeated dosing for 21 days, once daily To assess the tissue distribution and elimination of isavuconazole in rats. Results showed that isavuconazole rapidly penetrates most tissues, reaches steady state within 14 days, does not accumulate in tissues over time, and achieves potentially efficacious concentrations in the brain (approximately 1.8 times higher than plasma concentrations). Antimicrob Agents Chemother. 2017 Nov 22;61(12):e01292-17
CD-1 mice Disseminated coccidioidomycosis model Oral gavage 186, 279, or 372 mg/kg (twice daily) Twice daily for 19 days To evaluate the efficacy of isavuconazole in a disseminated coccidioidomycosis model. Results showed that isavuconazole at doses of 186 mg/kg and 279 mg/kg significantly reduced fungal burden in the lungs, spleen, and liver. Antimicrob Agents Chemother. 2021 May 18;65(6):e02344-20
Mice Chronic granulomatous disease (CGD) mouse model Oral 256 mg/kg (equivalent to 122.9 mg/kg of isavuconazole) Samples collected at 1, 3, 6, and 24 hours after a single dose Evaluated the distribution and penetration of isavuconazole in infected tissues, showing efficient penetration in lung and brain tissues with significant antifungal effects at the infection site. Antimicrob Agents Chemother. 2019 May 24;63(6):e00524-19
CD-1 mice Immunocompetent murine model of disseminated aspergillosis Oral gavage 0.25, 1, 4, 16, 64, 128, 256, 512 mg/kg/day Once daily for 14 days To evaluate the in vivo efficacy of isavuconazonium sulfate against four clinical isolates of A. fumigatus, including wild-type and azole-resistant strains. Results showed that the efficacy of isavuconazole depended on both the drug exposure and the isavuconazole MIC of the isolates. The maximum effect (100% survival) was achieved at a dose of 64 mg/kg for the wild-type isolate, 128 mg/kg for the G54W mutant, and 256 mg/kg twice daily for the M220I mutant. For the TR34/L98H isolate, the highest dose (256 mg/kg twice daily) did not achieve a maximum response. Antimicrob Agents Chemother. 2015 May;59(5):2855-66

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

1.23mL

0.25mL

0.12mL

6.14mL

1.23mL

0.61mL

12.27mL

2.45mL

1.23mL

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