229253
胭脂红酸
≥90% (HPLC)
别名:
天然红4
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关于此项目
经验公式（希尔记法）:
C22H20O13
化学文摘社编号:
分子量:
492.39
EC Number:
215-023-3
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
75470
Beilstein/REAXYS Number:
71651
InChI key
DGQLVPJVXFOQEV-JNVSTXMASA-N
InChI
1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1
SMILES string
Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
assay
≥90% (HPLC)
form
powder
optical activity
[α]20/D +3.1°, c = 1 in H2O
color
purple to red-purple, red to very dark red
mp
136 °C
solubility
1 N acetic acid: 1%, clear to hazy, red
λmax
495 nm
ε (extinction coefficient)
≥13000 at 222-228 nm in ethanol at 0.03 g/L, ≥18000 at 275-281 nm in ethanol at 0.03 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
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General description
胭脂红是一种胭脂虫产品，通常以胭脂红酸铝盐和钙盐的形式提供。胭脂红酸可用于人类医学细胞诊断，并用于人类来源样本材料的组织学研究。它适用于组织切片中的细胞核染色。它可用于各种染色方法，包括糖原和粘液物质（贝斯特氏胭脂红）检测法，核酸染色或活体染色。
Application
胭脂红酸 (CI 75470) 可用于 Orth 锂胭脂红核染色技术、贝斯特式糖原染色和 Southgates 粘蛋白胭脂红法。
存储类别
11 - Combustible Solids
wgk
WGK 2
ppe
Eyeshields, Gloves, type N95 (US)
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