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Covachem/Citraconic Anhydride/14105-25/25 grams

价格
¥764.40
货号:14105-25
浏览量:127
品牌:Covachem
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商品描述
CitraconicAnhydrideisaconvenient,reversIBLeamineblockingreagent.Thisproteinmodificationreagentconvertsprimaryaminestoamidegroupswithaterminalcarboxylicacidmoiety.CitraconicAnhydridereactswithprimaryamines,suchasthosefoundinlysineresidues,atpH7-9.ThismodificationisconvenientlyreversedatpH3,renderingacitraconicacidby-product.andreturningtheaminetoitsoriginalcomposition.Alternatively,thisreversalcanbefacilitatedinthepresenceofHydroxylamine(Covachem11304-25).

PackageSizes:25gramsand100grams

ProductNumbers:14105-25and14105-100

ProductName:CitraconicAnhydride

AlternativeNames:Citraconicanhydride;2-Methylmaleicanhydride;CASNo.616-02-4;C5H4O3

Specifications

Appearance:ClearLiquid

Purity:is≥98%byGC

Storage:20-25°C,protectedfrommoisture

PropertiesPhysicalState:Liquid

CAS#:616-02-4

ChemicalFormula:C5H4O3

MolecularWeight:112.08

BoilingPoint:213-214°C(Lit)

MeltingPoint:6-10°C(Lit)

Density:1.245g/mLat25°C(Lit)

RefractiveIndex:1.47-1.472at20°C(Lit)

TariffCode:2917.19.7050

IATACode:2810

*ImportantNote:100gramsizemayshipas4x25gramstoreduceshippingcosts. Covachem-4-甲氧六氟丁酰氯(4-CB)描述价钱数量购买包装尺寸:5 x 1克SKU:12207-5x1$ 99.00加包装尺寸:10克SKU:12207-10$ 189.00加包装尺寸:25克SKU:12207-25$ 379.00加全部添加到购物车描述发送4-carbethoxyhexafluorobutyrl chloride(4-CB)是一种烷基化试剂,用于衍生化样品以改善气相色谱分离。在进行GC分析之前,可以使用4-CB衍生化血液样本中的苯丙胺代谢物。包装尺寸:5 x 1克和25克产品编号:12207-5x1和12207-25产品名称:4-甲氧六氟丁酰氯(4-CB)备用名称:4-Carbethoxyhexafluorobutyrl chloride; 4-CB; 乙基六氟戊二酰氯技术指标外观:无色透明液体纯度:≥98%储存:4°C,防潮特性物理状态:液体CAS#:18381-53-8化学式:C 7 H 5 ClF 6 O 3分子量:286.56沸点:159°C(升)比重:1.47(升)