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Merck
CN

51457

尿素 溶液

BioUltra, ~8 M in H2O

别名:

碳酰二胺, 碳酰胺

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关于此项目

线性分子式:
NH2CONH2
化学文摘社编号:
分子量:
60.06
UNSPSC Code:
12352111
NACRES:
NA.25
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
635724
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product line

BioUltra

Quality Level

concentration

~8 M in H2O

impurities

insoluble matter, passes filter test, ≤0.005% formaldehyde (HCHO), ≤0.05% biuret

refractive index

n20/D 1.40

pH

8.0-10.0 (25 °C)

anion traces

chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤10 mg/kg

cation traces

Al: ≤1 mg/kg, As: ≤0.1 mg/kg, Ba: ≤1 mg/kg, Bi: ≤1 mg/kg, Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Li: ≤1 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Mo: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Sr: ≤1 mg/kg, Zn: ≤1 mg/kg

λ

neat

UV absorption

λ: 260 nm Amax: 0.03, λ: 280 nm Amax: 0.02

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Gene Information

human ... CA1(759), CA2(760), EPHX2(2053)
mouse ... Ephx2(13850)
rat ... Ppm1a(24666)

Application

尿素溶液已被用作尿素缓冲液,用于重链和 β2m 包涵体制剂的变性。它还被用作 1x 洗涤缓冲液的成分,以纯化 HIS 标记的小眼相关转录因子(MITF)。


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存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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G L French et al.
Lancet (London, England), 2(8551), 117-119 (1987-07-18)
Tuberculostearic acid, a structural component of Mycobacterium tuberculosis, was identified by gas chromatography/mass spectrometry with selected ion monitoring in cerebrospinal fluid (CSF) from 13 patients with proven and 8 out of 9 patients with suspected tuberculous meningitis; the negative result
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
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



全球贸易项目编号

货号GTIN
51457-500ML04061838177056
51457-100ML04061838177049