默克索引CAS号:92823？Monograph Number: 0004104 Title: Flomoxef CAS Registry Number: 99665-00-6 CAS Name: (6R-cis)-7-acetyl]amino]-3-thio]methyl]-7-methoxy-8-oxo-5-oxa-1-azabicyclooct-2-ene-2-carboxylic acid Additional Names: 7-b-difluoromethylthioacetamido-7a-methoxy-3-thiomethyl]-1-oxa-3-cephem-4-carboxylic acid Molecular Formula: C15H18F2N6O7S2 Molecular Weight: 496.47 Percent Composition: C 36.29%, H 3.65%, F 7.65%, N 16.93%, O 22.56%, S 12.92% Literature References: Semi-synthetic oxacephalosporin antibiotic. Prepn: T. Tsuji et al., BE 898541; eidem, US 4532233 (1984, 1985 both to Shionogi); eidem, J. Antibiot. 38, 466 (1985). In vitro activity and b-lactamase stability: H. C. Neu, N.-X. Chin, Antimicrob. Agents Chemother. 30, 638 (1986). Properties: Crystals from acetone + methylene chloride, mp 82.5-87.5°. Melting point: mp 82.5-87.5° Derivative Type: Sodium salt CAS Registry Number: 92823-03-5 Manufacturers' Codes: 6315-S Trademarks: Flumarin (Shionogi) Molecular Formula: C15H17F2N6NaO7S2 Molecular Weight: 518.45 Percent Composition: C 34.75%, H 3.31%, F 7.33%, N 16.21%, Na 4.43%, O 21.60%, S 12.37% Therap-Cat: Antibacterial. Keywords: Antibacterial (Antibiotics); ?Lactams; Oxacephems.查看更多
重金求助马西替坦 的原研的晶型专利及到期日？有晶型I的，但是还没时间具体检索， EMEA明确了其最稳定晶型： Several polymorphic forms have been described including different solvates. All macitentan batches manufactured so far for clinical studie ... 你好 ，原研是否有晶型保护，请再帮我查一下查看更多
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