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S7903

Sigma-Aldrich

蔗糖

≥99.5% (GC), BioXtra

同義詞:

α-D-Glc-(1→2)-β-D-Fru, α-D-吡喃葡萄糖基β-D-呋喃果糖苷, β-D-果糖-α-D-吡喃葡萄糖苷, D(+)-蔗糖, 糖

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About This Item

經驗公式(希爾表示法):
C12H22O11
CAS號碼:
分子量::
342.30
Beilstein:
90825
EC號碼:
MDL號碼:
分類程式碼代碼:
12352201
PubChem物質ID:
NACRES:
NA.21

生物源

sugar cane

產品線

BioXtra

化驗

≥99.5% (GC)

形狀

crystals

光學活性

[α]20/D +66.5±1°, c = 10 in H2O(lit.)

技術

gas chromatography (GC): suitable

雜質

Insoluble matter, passes filter test

燃燒殘留物

≤0.01% (as SO4)

損耗

≤0.2% loss on drying, HV, 18 - 26°C

顏色

white

pH值

5.5-7.5 (20 °C, 1 M in H2O)

mp

185-187 °C (lit.)

溶解度

H2O: 1 M, clear, colorless

負離子痕跡

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%

正離子痕跡

Al: ≤0.0005%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸收

≤0.07 at 280 in H2O at 1 M
≤0.09 at 260 in H2O at 1 M

SMILES 字串

OC[C@H]1O[C@H](O[C@]2(CO)O[C@H](CO)[C@@H](O)[C@@H]2O)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C12H22O11/c13-1-4-6(16)8(18)9(19)11(21-4)23-12(3-15)10(20)7(17)5(2-14)22-12/h4-11,13-20H,1-3H2/t4-,5-,6-,7-,8+,9-,10+,11-,12+/m1/s1

InChI 密鑰

CZMRCDWAGMRECN-UGDNZRGBSA-N

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應用

蔗糖可用于制备用于细胞/细胞器分离的密度梯度。溶液的折射率与密度直接相关。 另外,蔗糖可以用作植物、昆虫和细菌培养基的补充剂并用于各种酶促测定中。

準備報告

溶液可在最高121°C的温度下高压灭菌15-20分钟。此时葡萄糖和果糖会发生一定程度的水解,而这部分取决于高压灭菌锅达到所需温度和压力的速度。 必须注意防止溶液焦糖化。

其他說明

为了全面了解我们针对客户研究提供的各种二糖产品,建议您访问我们的碳水化合物分类页面。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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存取文件庫

Dawson, R.M.C., et al.
Data for Biochemical Research, 545-546 (1986)
Rickwood, D., ed.
Centrifugation - a practical approach, Appendix IV-Appendix IV (1984)
Lara Hassan et al.
mBio, 10(4) (2019-07-04)
It is essential for microbes to acquire information about their environment. Fungi use soluble degradation products of plant cell wall components to understand the substrate composition they grow on. Individual perception pathways have been well described. However, the interconnections between
Julia B Cordero et al.
The EMBO journal, 33(13), 1474-1491 (2014-05-03)
The non-receptor tyrosine kinase c-Src, hereafter referred to as Src, is overexpressed or activated in multiple human malignancies. There has been much speculation about the functional role of Src in colorectal cancer (CRC), with Src amplification and potential activating mutations
Denise Harrison et al.
Pediatrics, 130(5), 918-925 (2012-10-10)
The use of oral sucrose has been the most extensively studied pain intervention in newborn care to date. More than 150 published studies relating to sweet-taste-induced calming and analgesia in human infants have been identified, of which 100 (65%) include

條款

Enzymatic Assay of Invertase

在测定转化酶活性时,使用了一种在410nm处的分光光度终点反应法进行测定。在55 ºC、pH 4.5条件下,一单位的转化酶每分钟可将1.0 μmole的蔗糖水解为转化糖。

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