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Merck
CN

U0631

尿素

BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)

别名:

碳酰二胺, 碳酰胺

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线性分子式:
NH2CONH2
化学文摘社编号:
57-13-6
分子量:
60.06
UNSPSC Code:
12352111
NACRES:
NA.31
PubChem Substance ID:
24900617
EC Number:
200-315-5
Beilstein/REAXYS Number:
635724
MDL number:
MFCD00008022
Assay:
98.5-101.5%
Application(s):
diagnostic assay manufacturing

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产品名称

尿素, BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

SMILES string

NC(N)=O

product line

BioXtra

assay

98.5-101.5%

form

powder, crystals or pellets

impurities

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

pH

7.5-9.5 (20 °C, 5 M in H2O)

mp

132-135 °C (lit.)

solubility

H2O: 5 M at 20 °C, clear, colorless

density

1.335 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.06 at 260 nm at 5 M
≤0.06 at 280 nm at 5 M

application(s)

diagnostic assay manufacturing

Quality Level

200

Gene Information

human ... CA1(759), CA2(760)
rat ... Ppm1a(24666)

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相关类别

Application

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。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM8524
BCCM8004
BCCK8961
BCCJ7266
BCCJ9916

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Gurudayal et al.
Nano letters, 15(6), 3833-3839 (2015-05-06)
Photoelectrochemical water splitting half reactions on semiconducting photoelectrodes have received much attention but efficient overall water splitting driven by a single photoelectrode has remained elusive due to stringent electronic and thermodynamic property requirements. Utilizing a tandem configuration wherein the total
Florin Sasarman et al.
Human molecular genetics, 24(10), 2841-2847 (2015-02-06)
Addition of the trinucleotide cytosine/cytosine/adenine (CCA) to the 3' end of transfer RNAs (tRNAs) is essential for translation and is catalyzed by the enzyme TRNT1 (tRNA nucleotidyl transferase), which functions in both the cytoplasm and mitochondria. Exome sequencing revealed TRNT1
L Li et al.
Cell death and differentiation, 22(7), 1081-1093 (2014-12-20)
P53 is critically important in preventing oncogenesis but its role in inflammation in general and in the function of inflammatory macrophages in particular is not clear. Here, we show that bone marrow-derived macrophages exhibit endogenous p53 activity, which is increased
Marco Benevento et al.
Nature communications, 5, 5613-5613 (2014-12-11)
The ectopic expression of Oct4, Klf4, c-Myc and Sox2 (OKMS) transcription factors allows reprogramming of somatic cells into induced pluripotent stem cells (iPSCs). The reprogramming process, which involves a complex network of molecular events, is not yet fully characterized. Here
Annette Bahlinger et al.
Angewandte Chemie (International ed. in English), 53(33), 8779-8783 (2014-03-20)
β-Amino thioesters are important natural building blocks for the synthesis of numerous bioactive molecules. An organocatalyzed Mannich reaction was developed which provides direct and highly stereoselective access to acyclic β(2)- and β(2,3,3)-amino thioesters with adjacent tertiary and quaternary stereocenters. Mechanistic
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