中文名稱： 草乙酸號：328-42-7
其他中文名稱： 草酰乙酸；2-羰基丁二酸；2-氧代丁二酸；丁酮二酸；酸草鹽乙酸
英文名稱： Oxalacetic acid
其他英文名稱： 2-Oxosuccinic acid；Oxobutanedioic acid
產品規格： BR，99%
包 裝： 1克/5克/25克
號：328-42-7
C4H4O5=132.07
級別：BR
含量：≥98.0%
性狀：至類結晶粉末。溶于水：100mg/ml。三羧酸循環的一個環節。是在蘋果酸脫氫酶的催化下由蘋果酸生成的，它與乙酰*縮合生成檸檬酸，開始新的循環。在丙酮酸羧化酶的作用下，由丙酮酸與CO2生成，另外，也在轉氨酶（EC 2．6．1．1）的作用下由天冬氨酸生成。
用途：生化研究。檸檬酸合成酶（citrate synthase）和蘋果酸脫氫酶（malate dehydrogenase）的底物。也可作為琥珀酸脫氫酶的抑制劑
保存：RT。保質期5年
草乙酸號：328-42-7儲存條件：
避光、干燥陰涼處封閉貯存,嚴禁與有毒、有害物品混放、混運。本品為非危險 產品可按一般化學品運輸,輕搬動輕放,防止日曬、雨淋！受熱、受潮、受光后易喪失活力,保存期短,因此貯存和運輸條件比較苛刻。
運輸：汽車運輸、EMS郵政快遞，申通快遞等， 款到上海3天內發貨；
售后：如您對我們的產品服務及技術指標有特殊要求，請及時通知我方。
存儲：應貯存在干燥清潔避光的環境中，嚴禁與有毒物質混放，以免污染（保質期為兩年）。
草乙酸號：328-42-7主要優級純、分級純和化學純3種：
（1）優級純（GR：Guaranteed reagent），又稱一級品或保證試劑，99.8%，這種試劑純度Z高，雜質含量Z低，適合于重要精密的分析工作和科學研究工作，使用綠色瓶簽。
（2）分析純（AR），又稱二級試劑，純度很高，99.7%，略次于優級純，適合于重要分析及一般研究工作，使用紅色瓶簽。
（3）化學純（CP），又稱三級試劑，≥ 99.5%，純度與分析純相差較大，適用于工礦、學校一般分析工作。使用藍色（深藍色）標簽。
（4）實驗試劑（LR：Laboratory reagent），又稱四級試劑。
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