Share to
Overview
Specs
Safety
Technical Documents
Related
Articles
reviews
Consult
returns
Product introduction
三甲曲沙是喹唑啉类成员。它具有抗真菌药物的作用。
Chinese name
trimetrexate, 二氢叶酸还原酶抑制剂
English name
5-methyl-6-[(3,4,5-trimethoxyanilino)methyl]quinazoline-2,4-diamine
Chinese alias
三甲曲沙
English alias
Jb-11 | NCGC00161419-03 | TRIMETREXATE [USAN] | 5-methyl-6-{[(3,4,5-trimethoxyphenyl)amino]methyl}quinazoline-2,4-diamine | TRIMETREXATE [MI] | 2,4-Quinazolinediamine,5-methyl-6-[[(3,4,5-trimethoxyphenyl)amino]methyl]- | BDBM18268 | SCHEMBL3983 | NSC 2490
CAS number
52128-35-5
molecular formula
C19H23N5O3
molecular weight
369.4
Exact mass
-
PSA
118
Logp
2.5
Safety
  • Treatment: 过量情况下,应停止使用氨甲蝶呤,并以 40 mg/m2 的剂量每 6 小时给予甲酰四氢叶酸,持续 3 天。(L1712)
  • exposure pathway: 静脉注射
  • Toxicity summary: 体外研究表明,氨甲蝶呤是来自细菌、原生动物和哺乳动物来源的二氢叶酸还原酶(DHFR)的竞争性抑制剂。DHFR 催化细胞内二氢叶酸还原为活性辅酶四氢叶酸。抑制 DHFR 会导致这种辅酶耗竭,直接干扰胸苷酸生物合成,抑制叶酸依赖性甲酰转移酶,并间接抑制 p.r.n. 生物合成。最终结果是 DNA、RNA 和蛋白质合成的破坏,导致细胞死亡。
  • Toxicity Data: LD50:62 mg/kg(静脉注射,小鼠)(A308)
  • Health Effects: 抗生素耐药性
  • Hepatotoxicity: 可能性评分:E*(尚未证实但怀疑会导致肝损伤)。
  • Symptoms and Signs: 抗生素最常见的副作用是腹泻、恶心、呕吐。使用抗生素也可能导致口腔、消化道和阴道的真菌感染。
  • Human toxicity extract: 据报道,三甲曲沙的不良反应比甲氧苄啶少见。血液学毒性是在临床研究中治疗卡氏肺囊虫肺炎患者迄今观察到的主要以及剂量限制性副作用。这些患者的中性粒细胞和血小板计数出现了可管理的下降。在艾滋病患者中报告的不良反应包括恶心、呕吐、腹泻、可逆性肝功能异常、皮疹和发热。在使用三甲曲沙(无甲酰四氢叶酸)治疗的癌症患者中也观察到血液学毒性。一些癌症患者出现了轻度至中度口腔炎和口炎,但在卡氏肺囊虫肺炎患者中这种情况罕见。
  • Other safety information: 化学品评估:IMAP 评估 - 2,4-喹唑啉二胺,5-甲基-6-[[(3,4,5-三甲氧基苯基)氨基]甲基]-:人类健康一级评估
  • Antidote and first aid: 在甲氨蝶呤过量情况下,应尽快给予甲酰四氢叶酸钙,一种强效叶酸拮抗剂解毒剂,最好在第一小时内使用。延迟一小时后使用甲酰四氢叶酸钙效果要差得多。通常,甲酰四氢叶酸钙的剂量应等于或大于甲氨蝶呤的剂量。当给予大剂量或过量甲氨蝶呤时,可在12小时内通过静脉输注给予高达75毫克的甲酰四氢叶酸钙,随后每6小时肌肉注射12毫克,共4次。也推荐其他甲酰四氢叶酸钙给药方案。当平均剂量的甲氨蝶呤似乎产生不良影响时,可每6小时肌肉注射6-12毫克甲酰四氢叶酸钙,共4次。甲酰四氢叶酸钙已在给药后数小时给予...
  • Carcinogen Classification: 对人类无致癌性迹象(未被IARC列出)。
  • Hazardous reactivity and incompatibility: 氨甲蝶呤和甲酰四氢叶酸必须分开给药,因为当这两种药物一起添加时会立即形成沉淀。
Technical Documents
「No technical documents」
Related
「No upstream and downstream information yet」
Articles
「No related articles yet」
user reviews
Loading...
Consultation

Warm reminder:

Because the manufacturer may temporarily adjust product specifications, prices, inventory, parameters and other information without notice, and there are differences in each user's consultation time and procurement needs, the platform reply content is only of reference value within a certain period. Sorry for the inconvenience caused to you, and thank you for your understanding and support! Please consult the online customer service for the latest details. Everything is subject to the real-time reply of the customer service.!

After Sales Services

Please check the quantity, appearance and product information in time when you receive the goods. In case of damage, wrong delivery, abnormal quality and other problems, please feel free to contact us.

Service Hotline:400-6226-992 ,We will handle it for you as soon as possible, thank you for your support and trust.!

MedMol Trimetrexate 98% 10mg

MedMol Trimetrexate 98% 10mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 98%; 10mg.

item number:S85635-10mg
Product model:10mg
level: 98%; 10mg
Lead Time:30days
sold 979 Items
Ask Solution engineer
Qty

Recommended for you