| CAS: | 92-55-7 | ||||||||||||
| 分子式: | C9H9NO7 | ||||||||||||
| 分子量: | 243.17 | ||||||||||||
| 熔点: | 89-93℃ | ||||||||||||
| 中文名称: |
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| 英文名称: |
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| 性质描述: | 白色结晶。熔点92.5℃。 | ||||||||||||
| 生产方法: | 由糠醛经硝化、酯化而得。将乙酐加入反应锅,降温至-5℃,滴加加料量的1/5的混酸(硝酸与硫酸)后,再同时滴加硝酸与糠醛(1:2体积)的混合液,控制温度在0℃左右,约5-6h加完,继续滴加一部分糠醛。然后,搅拌1h,加水和碳酸钠溶液,升温至55-62℃,保温1h。冷却至15℃,过滤,用水洗涤,甩干即得成品,收率85%。 | ||||||||||||
| 用途: | 用于呋喃西林生产。 |
| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 | ||||||||||||||||||||||||||||||||||||||||||||||||
| N860367 | MACKLIN | 5-硝基糠醛二乙酸酯 | 98% | 45元/25g; 102元/100g; 255元/500g; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
储存:2-8°C 状态:固体 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| N0218 | TCI | 5-Nitro-2-furaldehyde Diacetate | >97.0%(GC) | 495元/25G; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
基本信息
技术规格
物性(参考值)
相关法规
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| 397398 | J&K | 5-Nitro-2-furaldehyde Diacetate | 98% | 94元/25G; 308元/100G; 998元/500G; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
基本信息
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| A18169 | Alfa Aesar | 5-Nitro-2-furaldehyde Diacetate | 97% | 822元/100g; 2355元/500g; 9401元/2500g; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
基本信息 MDL EINECS 分子式 分子量 熔点 形态 Beilstein GHS危害和防范说明 GHS符号 Hazard Statements Precautionary Statements 安全信息 危险类别 安全等级 RTECS TSCA | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Y0001570 | Nitrofural impurity B | European Pharmacopoeia (EP) Reference Standard | 1277.32元/ ; | 展开 | |||||||||||||||||||||||||||||||||||||||||||||||||
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia. 包装 Unit quantity: 30 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue. 注意 Please find SDS provided by EDQM here.. 其他说明 Sales restrictions may apply. 基本信息
产品性质
安全信息
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| PHR2456 | Supelco | Nitrofurfural diacetate | Pharmaceutical Secondary Standard; Certified Reference Material | 5376.34元/200 MG; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
产品说明 一般描述 Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards 分析说明 These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. 其他说明 This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. 附注 To see an example of a Certificate of Analysis for this material enter LRAC6066 in the Documents slot below. This is an example certificate only and may not be the lot that you receive. 基本信息
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安全信息
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| 1465503 | USP | Nitrofurfural diacetate | United States Pharmacopeia (USP) Reference Standard | 11011.4元/100 MG; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia. 分析说明 These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. 其他说明 USP issued SDS can be found here. 基本信息
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| BP263 | Nitrofurfural diacetate | British Pharmacopoeia (BP) Reference Standard | 1916.08元/50 MG; | 展开 | |||||||||||||||||||||||||||||||||||||||||||||||||
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia. 包装 Unit quantity: 50 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity please visit British Pharmacopoeia 其他说明 Sales restrictions may apply. 基本信息
产品性质
安全信息
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