A1784

Aminopterin

powder

• 동의어(들): (S)-2-{4-[(2,4-Diaminopteridin-6-yl)methylamino]benzamido}pentanedioic acid, 4-Amino-PGA, 4-Aminofolic acid, 4-Aminopteroyl-L-glutamic acid
• 실험식(Hill 표기법): C₁₉H₂₀N₈O₅
• CAS Number: 54-62-6
• Molecular Weight: 440.41
• Beilstein: 69045
• EC Number: 200-209-9
• MDL number: MFCD00036692
• UNSPSC 코드: 12352200
• PubChem Substance ID: 24278186
• NACRES: NA.77

속성

• 생물학적 소스: synthetic (organic)
• Quality Level: 200
• 분석: ≥97% (TLC)
• 양식: powder
• 색상: yellow
• mp: 225 °C
• solubility: 2 M NaOH: 50 mg/mL (Solutions may be stored for 1-2 days at 4°C.); DMSO: soluble (Solutions may be stored for 1-2 days at 4°C.)
• ε (흡광계수): 24,500 at 282 nm in 0.1 M NaOH at 1 M; 25,700 at 261 nm in 0.1 M NaOH at 1 M; 8,100 at 373 nm in 0.1 M NaOH at 1 M
• 저장 온도: −20°C
• SMILES string: Nc1nc(N)c2nc(CNc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)cnc2n1
• InChI: 1S/C19H20N8O5/c20-15-14-16(27-19(21)26-15)23-8-11(24-14)7-22-10-3-1-9(2-4-10)17(30)25-12(18(31)32)5-6-13(28)29/h1-4,8,12,22H,5-7H2,(H,25,30)(H,28,29)(H,31,32)(H4,20,21,23,26,27)/t12-/m0/s1
• InChI key: TVZGACDUOSZQKY-LBPRGKRZSA-N
• 유전자 정보: human ... FPGS(2356) ; mouse ... Fpgs(14287)

설명

생화학적/생리학적 작용

Folic acid antagonist that binds to dihydrofolate reductase and inhibits its activity.

Folic acid antagonist. Aminopterin is actively transported into cells by the folate transporter. In the cell, it is converted to a high molecular weight polyglutamate metabolite by folylpolyglutamate synthase that, in turn, binds to dihydrofolate reductase and inhibits its activity. Aminopterin-polyglutamate is degraded intracellularly by γ-glutamyl hydrolase.

특징 및 장점

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결합

More potent, but more toxic, than methotrexate.

안전성 정보

• 픽토그램: GHS06,GHS08
• 신호어: Danger
• 유해 및 위험 성명서: H300,H315,H319,H341,H360FD
• 예방조치 성명서: P202 - P264 - P280 - P301 + P310 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Oral - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Skin Irrit. 2
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges