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About This Item
线性分子式:
NH2CONH2
CAS Number:
分子量:
60.06
Beilstein:
635724
MDL编号:
UNSPSC代码:
41116107
PubChem化学物质编号:
NACRES:
NA.24
等级
certified reference material
质量水平
表单
crystals
包装
pkg of 2 g
制造商/商品名称
NIST®
mp
132-135 °C (lit.)
密度
1.335 g/mL at 25 °C (lit.)
应用
clinical testing
SMILES字符串
NC(N)=O
InChI
1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChI key
XSQUKJJJFZCRTK-UHFFFAOYSA-N
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应用
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
Urea Standard reference material (SRM) is certified for calibrating and standardizing microchemical procedures aimed at determining nitrogen in organic matter. Additionally, it serves as a tool for standardizing techniques for nitrogen determination, when carbon and hydrogen are simultaneously analyzed.
特点和优势
Available with a certificate documentingnitrogen value determined through a modification of the AOAC micro-Kjeldahlmethod.
其他说明
Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Nitrogen (N)
See certificate for values and more details at nist.gov/SRM.
Nitrogen (N)
See certificate for values and more details at nist.gov/SRM.
法律信息
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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