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23256-42-0

中文名稱 乳酸甲氧芐啶
英文名稱 Trimethoprim lactate salt
CAS 23256-42-0
EINECS 編號 245-533-1
分子式 C17H24N4O6
MDL 編號 MFCD00171722
分子量 380.4
MOL 文件 23256-42-0.mol
更新日期 2026/07/13 13:36:42
23256-42-0 結(jié)構(gòu)式 23256-42-0 結(jié)構(gòu)式

基本信息

中文別名
2,4-二氨基-5-(3,4,5-三甲氧基芐基)嘧啶乳酸鹽
乳酸甲氧芐啶
乳酸甲氧芐氨嘧啶
甲氧芐氨嘧啶乳酸鹽
英文別名
2,4-DIAMINO-5-(3,4,5-TRIMETHOXYBENZYL)PYRIMIDINE LACTATE
2,4-diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine lactate salt
TRIMETHOPRIM LACTATE
TRIMETHOPRIM LACTATE SALT
TRIMETHOPRIM LACTIC ACID
lactic acid, compound with 5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine (1:1)
所屬類別
原料藥:其它抗生素類藥

物理化學(xué)性質(zhì)

熔點170 - 172°C
儲存條件2-8°C
溶解度H2O:可溶,20mg/mL
形態(tài)粉末
顏色白色
水溶解性溶于水
InChIInChI=1S/C14H18N4O3.C3H6O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15;1-2(4)3(5)6/h5-7H,4H2,1-3H3,(H4,15,16,17,18);2,4H,1H3,(H,5,6)
InChIKeyIIZVTUWSIKTFKO-UHFFFAOYSA-N
SMILESC(O)(C)C(=O)O.C(C1=CN=C(N)N=C1N)C1C=C(OC)C(OC)=C(OC)C=1
CAS 數(shù)據(jù)庫23256-42-0(CAS DataBase Reference)

安全數(shù)據(jù)

危險性符號(GHS)有毒 (GHS06)健康危害 (GHS08)
GHS06,GHS08
警示詞危險
危險性描述H301-H361d
危險品標志T
危險類別碼R23/24/25-R43-R61
危險品運輸編號UN 2811
WGK Germany3
危險等級6.1(b)
包裝類別III
存儲類別6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
危險性類別Acute Tox. 3 Oral
Repr. 2

知名試劑公司產(chǎn)品信息

乳酸甲氧芐啶價格(試劑級)
報價日期產(chǎn)品編號產(chǎn)品名稱CAS號包裝價格
2026/06/05HY-B0510CR乳酸甲氧芐啶
Trimethoprim lactate (Standard)
23256-42-010 mg340元
2026/06/05HY-B0510CR乳酸甲氧芐啶
Trimethoprim lactate (Standard)
23256-42-025 mg660元
2026/06/05HY-B0510CR乳酸甲氧芐啶
Trimethoprim lactate (Standard)
23256-42-050 mg1000元

常見問題列表

生物活性
Trimethoprim lactic 是一種抑菌抗生素,也是一種具有口服活性的二氫葉酸還原酶 (dihydrofolate reductase) 抑制劑。Trimethoprim lactic 對多種革蘭氏陽性和革蘭氏陰性需氧細菌 (Gram-positive 和 Gram-negative aerobic bacteria) 具有活性。Trimethoprim lactic 可用于尿路感染,志賀氏菌病和肺孢子菌肺炎的研究。
靶點

Dihydrofolate reductase
Bacteria

體外研究

Trimethoprim interrupts folate metabolism by inhibition of the activity of dihydrofolase reductase (DHFR), which reduces dihydrofolate to tetrahydrofolate (THF).
Trimethoprim causes protein aggregation and induction of main heat shock proteins (Hsps) in E. coli cells, which indicates that Trimethoprim presence leads to protein misfolding. Trimethoprim causes induction of DnaK, DnaJ, GroEL, ClpB, and IbpA/B Hsps. Among these Hsps, IbpA/B are most efficiently induced by Trimethoprim and coaggregates with the insoluble proteins. Upon folate stress, deletion of the delta ibpA/B operon resulted in increased protein aggregation but does not influence cell viability.

體內(nèi)研究

In intraperitoneal infections in mice, the CD 50 values for Trimethoprim alone against H. influenzae , S. pneumoniae , E. coli and N. meningitidis , is 150 mg/kg, 335 mg/kg, 27.5 mg/kg and 8.4 mg/kg, respectively.

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