外观 Appearance
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White or slight grety powder
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产品详情
- 包装规格:25KG/桶
- 价格:0.00
- 付款方式:款到发货
- 订单交货周期:现货
- 认证/标准:
- 合同定制:CRO,CMO
- 主要销售市场:北美洲,中/南美洲,西欧,东欧,大洋洲,亚洲,中东,非洲
- 提供样品:是
- 样品政策:10g
CAS号: 141645-16-1 分子式: C19H17NO5 英文名称: 2-butyl-3-(4-hydroxybenzoyl)-5-nitrobenzofuran 英文同义词: (2-Butyl-5-nitro-1-benzofuran-3-yl)(4-hydroxyphenyl)methanone; methanone, (2-butyl-5-nitro-3-benzofuranyl)(4-hydroxyphenyl)- 分子量: 339.342 沸点: 559.472°C at 760 mmHg 密度: 0mmHg at 25°C 闪点: 292.158°C 项目 Items | 标准参数 Specifications | 结果 Results | 外观 Appearance | White or slight grety powder | Complies | 鉴别 Identification | H-1 NMR spectrum | Complies | 单个杂质(HPLC) Individual impurity | <0.5% | 0.14% | 总杂 Total impurity(HPLC) | <1% | 0.35% | 熔点 Melting point | 129.0-132.0℃ | 129.5-130.7℃ | 干燥失重 Drying loss | ≤0.5% | 0.06% | 含量 Assay (HPLC) | ≥99.0% | 99.65% | 结果 Results | The product conforms to the above specifications |
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