| 中文名: 甲氨蝶呤;氨甲蝶呤;氨甲叶酸;氨甲蝶呤;甲氨基叶酸;二水合氨甲嘌呤;氨甲叶酸;对-[(2,4-二氨基喋啶-6)-N-甲基甲氨基]苯甲酰谷氨酸英文名: Methotrexate;Amethopterin;MTX;DL-Amethopterin hydrate; 4-Amino-10-methylfolic acid; DL-4-Amino-N10-methylpteroylglutamic acid
 性状: 黄色结晶。无臭。溶于稀盐酸,溶于碱液同时分解。熔点185~204℃(油浴预热到160℃)。比旋光度[α]21589+20.4°±0.6°(c=1, 0.1mol/L氢氧化钠溶液中)。pH 1时最大吸收波长244、307nm(ε 17300、19700)、pH 13时最大吸收波长257、302、370nm(ε 23000、22000、7100)。半数致死量(大鼠,静脉)14mG/kG。
 用途: 叶酸拮抗剂。二氢叶酸还原酶的有效抑制剂。免疫抑制剂。组织培养试剂。
 Sigma相关资料如下:
 Sigma-Aldrich  M9929  Methotrexate
 meets USP testing specifications
 Synonym: (+)-Amethopterin, 4-Amino-10-methylfolic acid, 4-Amino-N10-methylpteroyl-L-glutamic acid, Antifolan, Methylaminopterin, MTX
 CAS Number: 59-05-2
 Linear Formula: C20H22N8O5
 Molecular Weight: 454.44
 Beilstein Registry Number: 70669
 EC Number: 200-413-8
 MDL number: MFCD00064370
 PubChem Substance ID: 24897373
 Properties
 suitability meets USP testing specifications
 Gene Information human ... DHFRP1(573971), FPGS(2356), SLC19A1(6573), TYMS(7298)
 rat ... Dhfr(24312)
 mouse ... Dhfr(13361)
 storage temp. −20°C
 Safety
 Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
 Hazard Codes T
 Risk Statements 61-25-36/38
 Safety Statements 53-26-36/37-45
 RIDADR UN1544 6.1/PG 3
 WGK Germany 3
 RTECS MA1225000
 
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