T-91825

Modify Date: 2025-08-27 18:52:07

T-91825 Structure
T-91825 structure
Common Name T-91825
CAS Number 189345-04-8 Molecular Weight 604.70500
Density N/A Boiling Point N/A
Molecular Formula C22H20N8O5S4 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of T-91825


T-91825 (PPI-0903M), an N-phosphono-type cephalosporin, is the active form of TAK-599. T-91825 is active against both gram-positive and gram-negative bacteria[1][2].

 Names

Name ceftaroline
Synonym More Synonyms

 T-91825 Biological Activity

Description T-91825 (PPI-0903M), an N-phosphono-type cephalosporin, is the active form of TAK-599. T-91825 is active against both gram-positive and gram-negative bacteria[1][2].
Related Catalog
In Vitro PPI-0903M is very active against S. aureus (MIC50=0.25 μg/mL), including methicillin-resistant (MRSA) strains (MIC50=1 μg/mL)[1]. PPI-0903M is active against hetero-vancomycin-intermediate S. aureus (100 strains), with MIC50s ranging from 0.25 to 4 μg/mL[1].
In Vivo AK-599 (20 mg/kg; s.c. three times a day for 2 days) decreases the bacterial cell counts in lungs more than 99.9% in a mouse pneumonia model caused by MRSA[2].
References

[1]. Sader HS, et, al. Antimicrobial activity and spectrum of PPI-0903M (T-91825), a novel cephalosporin, tested against a worldwide collection of clinical strains. Antimicrob Agents Chemother. 2005 Aug;49(8):3501-12.

[2]. Iizawa Y, et, al. In vitro antimicrobial activity of T-91825, a novel anti-MRSA cephalosporin, and in vivo anti-MRSA activity of its prodrug, TAK-599. J Infect Chemother. 2004 Jun;10(3):146-56.

 Chemical & Physical Properties

Molecular Formula C22H20N8O5S4
Molecular Weight 604.70500
Exact Mass 604.04400
PSA 291.00000
LogP 0.67090

 Synonyms

UNII-H36Z0FHR8K
(6R,7R)-7-{[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetyl]amino}-3-{[4-(1-methylpyridinium-4-yl)-1,3-thiazol-2-yl]sulfanyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetyl]amino]-3-[[4-(1-methylpyridin-1-ium-4-yl)-1,3-thiazol-2-yl]sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Pyridinium,4-(2-(((6R,7R)-7-(((2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)-1-oxoethyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)thio)-4-thiazolyl)-1-methyl-,inner salt
PPI 0903M
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